SYNOPSYS 401(K) PLAN 401k Plan overview

Plan Name	SYNOPSYS 401(K) PLAN
Plan identification number	001

SYNOPSYS 401(K) PLAN Benefits

401k Plan Type

Defined Contribution Pension

Plan Features/Benefits

Profit-sharing ERISA section 404(c) Plan - This plan, or any part of it is intended to meet the conditions of 29 CFR 2550.404c-1. Total participant-directed account plan - Participants have the opportunity to direct the investment of all the assets allocated to their individual accounts, regardless of whether 29 CFR 2550.404c-1 is intended to be met. Code section 401(k) feature - A cash or deferred arrangement described in Code section 401(k) that is part of a qualified defined contribution plan that provides for an election by employees to defer part of their compensation or receive these amounts in cash. Code section 401(m) arrangement - Employee contributions are allocated to separate accounts under the plan or employer contributions are based, in whole or in part, on employee deferrals or contribtions to the plan. Not applicable if plan is 401(k) plan with only QNECs and/or QMACs. Also not applicable if Code section 403(b)(1), 403(b)(7) or 408 arrangements/accounts/annuities. Participant-directed brokerage accounts provided as an investment option under the plan. Total or partial participant-directed account plan - plan uses default investment account for participants who fail to direct assets in their account. Plan sponsor(s) received services of leased employees, as defined in Code section 414(n), during the plan year. Plan sponsor(s) is (are) a member(s) of a controlled group (Code sections 414(b), (c), or (m)).

401k Sponsoring company profile

SYNOPSYS, INC. has sponsored the creation of one or more 401k plans.

Company Name:	SYNOPSYS, INC.
Employer identification number (EIN):	561546236
NAIC Classification:	541511
NAIC Description:	Custom Computer Programming Services

Additional information about SYNOPSYS, INC.

Jurisdiction of Incorporation:	Texas Secretary of State
Incorporation Date:	1989-04-10
Company Identification Number:	0009029406
Legal Registered Office Address:	675 ALMANOR AVE STE 101 SUNNYVALE United States of America (USA) 94085

More information about SYNOPSYS, INC.

Form 5500 Filing Information

Submission information for form 5500 for 401k plan SYNOPSYS 401(K) PLAN

Plan id#	Filing Submission Date	Name of Administrator	Date Administrator Signed	Name of Company Sponsor	Date Sponsor Signed
001	2024-01-01	BRIDGETTE DELOACH
001	2023-01-01
001	2023-01-01	BRIDGETTE DELOACH
001	2022-01-01
001	2022-01-01	BRIDGETTE DELOACH
001	2021-01-01
001	2021-01-01	KERSTIN AIELLO
001	2020-01-01
001	2019-01-01
001	2018-01-01
001	2017-01-01	KERSTIN AIELLO
001	2016-01-01	KERSTIN AIELLO
001	2015-01-01	KERSTIN AIELLO
001	2014-01-01	KERSTIN AIELLO
001	2013-01-01	KERSTIN AIELLO
001	2012-01-01	BEVERLY HENRY		BEVERLY HENRY	2013-09-20
001	2011-01-01	BEVERLY HENRY
001	2009-01-01			BEVERLY HENRY	2010-10-07

Plan Statistics for SYNOPSYS 401(K) PLAN

401k plan membership statisitcs for SYNOPSYS 401(K) PLAN

Measure	Date	Value
2023: SYNOPSYS 401(K) PLAN 2023 401k membership
Total participants, beginning-of-year	2023-01-01	7,681
Total number of active participants reported on line 7a of the Form 5500	2023-01-01	4,817
Number of retired or separated participants receiving benefits	2023-01-01	35
Number of other retired or separated participants entitled to future benefits	2023-01-01	2,837
Total of all active and inactive participants	2023-01-01	7,689
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2023-01-01	3
Total participants	2023-01-01	7,692
Number of participants with account balances	2023-01-01	7,552
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2023-01-01	0
2022: SYNOPSYS 401(K) PLAN 2022 401k membership
Total participants, beginning-of-year	2022-01-01	6,834
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	4,934
Number of retired or separated participants receiving benefits	2022-01-01	34
Number of other retired or separated participants entitled to future benefits	2022-01-01	2,712
Total of all active and inactive participants	2022-01-01	7,680
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2022-01-01	1
Total participants	2022-01-01	7,681
Number of participants with account balances	2022-01-01	7,498
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2022-01-01	0
2021: SYNOPSYS 401(K) PLAN 2021 401k membership
Total participants, beginning-of-year	2021-01-01	6,720
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	4,384
Number of retired or separated participants receiving benefits	2021-01-01	31
Number of other retired or separated participants entitled to future benefits	2021-01-01	2,419
Total of all active and inactive participants	2021-01-01	6,834
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2021-01-01	0
Total participants	2021-01-01	6,834
Number of participants with account balances	2021-01-01	6,679
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2021-01-01	0
2020: SYNOPSYS 401(K) PLAN 2020 401k membership
Total participants, beginning-of-year	2020-01-01	6,722
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	4,507
Number of retired or separated participants receiving benefits	2020-01-01	13
Number of other retired or separated participants entitled to future benefits	2020-01-01	2,200
Total of all active and inactive participants	2020-01-01	6,720
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	0
Total participants	2020-01-01	6,720
Number of participants with account balances	2020-01-01	6,560
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2020-01-01	0
2019: SYNOPSYS 401(K) PLAN 2019 401k membership
Total participants, beginning-of-year	2019-01-01	6,630
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	4,568
Number of retired or separated participants receiving benefits	2019-01-01	29
Number of other retired or separated participants entitled to future benefits	2019-01-01	2,125
Total of all active and inactive participants	2019-01-01	6,722
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	0
Total participants	2019-01-01	6,722
Number of participants with account balances	2019-01-01	6,480
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	0
2018: SYNOPSYS 401(K) PLAN 2018 401k membership
Total participants, beginning-of-year	2018-01-01	5,995
Total number of active participants reported on line 7a of the Form 5500	2018-01-01	4,700
Number of retired or separated participants receiving benefits	2018-01-01	24
Number of other retired or separated participants entitled to future benefits	2018-01-01	1,905
Total of all active and inactive participants	2018-01-01	6,629
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2018-01-01	1
Total participants	2018-01-01	6,630
Number of participants with account balances	2018-01-01	6,316
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2018-01-01	0
2017: SYNOPSYS 401(K) PLAN 2017 401k membership
Total participants, beginning-of-year	2017-01-01	5,797
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	4,232
Number of retired or separated participants receiving benefits	2017-01-01	26
Number of other retired or separated participants entitled to future benefits	2017-01-01	1,737
Total of all active and inactive participants	2017-01-01	5,995
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	0
Total participants	2017-01-01	5,995
Number of participants with account balances	2017-01-01	5,608
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	0
2016: SYNOPSYS 401(K) PLAN 2016 401k membership
Total participants, beginning-of-year	2016-01-01	5,377
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	4,214
Number of retired or separated participants receiving benefits	2016-01-01	19
Number of other retired or separated participants entitled to future benefits	2016-01-01	1,564
Total of all active and inactive participants	2016-01-01	5,797
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	0
Total participants	2016-01-01	5,797
Number of participants with account balances	2016-01-01	5,259
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	0
2015: SYNOPSYS 401(K) PLAN 2015 401k membership
Total participants, beginning-of-year	2015-01-01	5,186
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	3,775
Number of retired or separated participants receiving benefits	2015-01-01	17
Number of other retired or separated participants entitled to future benefits	2015-01-01	1,585
Total of all active and inactive participants	2015-01-01	5,377
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	0
Total participants	2015-01-01	5,377
Number of participants with account balances	2015-01-01	5,098
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	0
2014: SYNOPSYS 401(K) PLAN 2014 401k membership
Total participants, beginning-of-year	2014-01-01	4,925
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	3,674
Number of retired or separated participants receiving benefits	2014-01-01	16
Number of other retired or separated participants entitled to future benefits	2014-01-01	1,496
Total of all active and inactive participants	2014-01-01	5,186
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	0
Total participants	2014-01-01	5,186
Number of participants with account balances	2014-01-01	4,827
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	0
2013: SYNOPSYS 401(K) PLAN 2013 401k membership
Total participants, beginning-of-year	2013-01-01	4,842
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	3,422
Number of retired or separated participants receiving benefits	2013-01-01	13
Number of other retired or separated participants entitled to future benefits	2013-01-01	1,490
Total of all active and inactive participants	2013-01-01	4,925
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	0
Total participants	2013-01-01	4,925
Number of participants with account balances	2013-01-01	4,582
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	0
2012: SYNOPSYS 401(K) PLAN 2012 401k membership
Total participants, beginning-of-year	2012-01-01	4,503
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	3,323
Number of retired or separated participants receiving benefits	2012-01-01	19
Number of other retired or separated participants entitled to future benefits	2012-01-01	1,500
Total of all active and inactive participants	2012-01-01	4,842
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	0
Total participants	2012-01-01	4,842
Number of participants with account balances	2012-01-01	4,457
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	5
2011: SYNOPSYS 401(K) PLAN 2011 401k membership
Total participants, beginning-of-year	2011-01-01	4,525
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	3,003
Number of retired or separated participants receiving benefits	2011-01-01	15
Number of other retired or separated participants entitled to future benefits	2011-01-01	1,477
Total of all active and inactive participants	2011-01-01	4,495
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	8
Total participants	2011-01-01	4,503
Number of participants with account balances	2011-01-01	4,231
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	0
2009: SYNOPSYS 401(K) PLAN 2009 401k membership
Total participants, beginning-of-year	2009-01-01	4,498
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	2,833
Number of retired or separated participants receiving benefits	2009-01-01	12
Number of other retired or separated participants entitled to future benefits	2009-01-01	1,515
Total of all active and inactive participants	2009-01-01	4,360
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	9
Total participants	2009-01-01	4,369
Number of participants with account balances	2009-01-01	4,140
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	0

Financial Data on SYNOPSYS 401(K) PLAN

Measure	Date	Value
2023 : SYNOPSYS 401(K) PLAN 2023 401k financial data
Unrealized appreciation/depreciation of real estate assets	2023-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2023-12-31	$13,719,159
Total unrealized appreciation/depreciation of assets	2023-12-31	$13,719,159
Total transfer of assets to this plan	2023-12-31	$0
Total transfer of assets from this plan	2023-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2023-12-31	$848,286
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2023-12-31	$365,662
Expenses. Interest paid	2023-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2023-12-31	$0
Total income from all sources (including contributions)	2023-12-31	$560,472,810
Total loss/gain on sale of assets	2023-12-31	$17,073,301
Total of all expenses incurred	2023-12-31	$148,019,707
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2023-12-31	$147,350,482
Expenses. Certain deemed distributions of participant loans	2023-12-31	$0
Value of total corrective distributions	2023-12-31	$84,342
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2023-12-31	$140,017,106
Value of total assets at end of year	2023-12-31	$2,355,374,902
Value of total assets at beginning of year	2023-12-31	$1,942,439,175
Total of administrative expenses incurred including professional, contract, advisory and management fees	2023-12-31	$584,883
Total income from rents	2023-12-31	$0
Total interest from all sources	2023-12-31	$2,371,052
Total dividends received (eg from common stock, registered investment company shares)	2023-12-31	$27,167,102
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2023-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2023-12-31	$26,508,843
Assets. Real estate other than employer real property at end of year	2023-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2023-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2023-12-31	$353,855
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2023-12-31	$204,019
Was this plan covered by a fidelity bond	2023-12-31	Yes
Value of fidelity bond cover	2023-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2023-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2023-12-31	No
Contributions received from participants	2023-12-31	$112,016,638
Participant contributions at end of year	2023-12-31	$7,072,141
Participant contributions at beginning of year	2023-12-31	$6,654,404
Participant contributions at end of year	2023-12-31	$0
Participant contributions at beginning of year	2023-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2023-12-31	$-43,016
Assets. Other investments not covered elsewhere at beginning of year	2023-12-31	$56,644,141
Income. Received or receivable in cash from other sources (including rollovers)	2023-12-31	$13,666,619
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2023-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2023-12-31	$880,378
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2023-12-31	$396,082
Assets. Loans (other than to participants) at end of year	2023-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2023-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2023-12-31	$3,142
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2023-12-31	$108
Other income not declared elsewhere	2023-12-31	$36
Administrative expenses (other) incurred	2023-12-31	$0
Liabilities. Value of operating payables at end of year	2023-12-31	$-32,206
Liabilities. Value of operating payables at beginning of year	2023-12-31	$-30,528
Total non interest bearing cash at end of year	2023-12-31	$0
Total non interest bearing cash at beginning of year	2023-12-31	$38,700
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2023-12-31	No
Income. Non cash contributions	2023-12-31	$0
Value of net income/loss	2023-12-31	$412,453,103
Value of net assets at end of year (total assets less liabilities)	2023-12-31	$2,354,526,616
Value of net assets at beginning of year (total assets less liabilities)	2023-12-31	$1,942,073,513
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2023-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2023-12-31	No
Were any leases to which the plan was party in default or uncollectible	2023-12-31	No
Assets. partnership/joint venture interests at end of year	2023-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2023-12-31	$0
Investment advisory and management fees	2023-12-31	$191,068
Value of interest in registered invesment companies (eg mutual funds) at end of year	2023-12-31	$804,152,748
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2023-12-31	$657,533,625
Value of interest in pooled separate accounts at end of year	2023-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2023-12-31	$0
Interest on participant loans	2023-12-31	$401,173
Income. Interest from loans (other than to participants)	2023-12-31	$0
Interest earned on other investments	2023-12-31	$0
Income. Interest from US Government securities	2023-12-31	$7,621
Income. Interest from corporate debt instruments	2023-12-31	$27,163
Value of interest in master investment trust accounts at end of year	2023-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2023-12-31	$0
Value of interest in common/collective trusts at end of year	2023-12-31	$1,409,817,284
Value of interest in common/collective trusts at beginning of year	2023-12-31	$1,122,293,057
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2023-12-31	$44,952,827
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2023-12-31	$39,135,304
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2023-12-31	$39,135,304
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2023-12-31	$1,935,095
Assets. Value of investments in 103.12 investment entities at end of year	2023-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2023-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2023-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2023-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2023-12-31	$0
Asset value of US Government securities at end of year	2023-12-31	$6,121,496
Asset value of US Government securities at beginning of year	2023-12-31	$784,706
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2023-12-31	$87,852,894
Net investment gain/loss from pooled separate accounts	2023-12-31	$0
Net investment gain or loss from common/collective trusts	2023-12-31	$272,272,160
Net gain/loss from 103.12 investment entities	2023-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2023-12-31	No
Was there a failure to transmit to the plan any participant contributions	2023-12-31	Yes
Has the plan failed to provide any benefit when due under the plan	2023-12-31	Yes
Assets. Invements in employer securities at end of year	2023-12-31	$0
Assets. Invements in employer securities at beginning of year	2023-12-31	$0
Assets. Value of employer real property at end of year	2023-12-31	$0
Assets. Value of employer real property at beginning of year	2023-12-31	$0
Contributions received in cash from employer	2023-12-31	$14,333,849
Employer contributions (assets) at end of year	2023-12-31	$0
Employer contributions (assets) at beginning of year	2023-12-31	$0
Income. Dividends from preferred stock	2023-12-31	$9,951
Income. Dividends from common stock	2023-12-31	$648,308
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2023-12-31	$147,350,482
Asset. Corporate debt instrument preferred debt at end of year	2023-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2023-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2023-12-31	$571,578
Asset. Corporate debt instrument debt (other) at beginning of year	2023-12-31	$390,715
Contract administrator fees	2023-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2023-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2023-12-31	$81,495,611
Assets. Corporate common stocks other than exployer securities at beginning of year	2023-12-31	$58,364,422
Liabilities. Value of benefit claims payable at end of year	2023-12-31	$877,350
Liabilities. Value of benefit claims payable at beginning of year	2023-12-31	$396,082
Assets. Value of buildings and other operty used in plan operation at end of year	2023-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2023-12-31	$0
Did the plan have assets held for investment	2023-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2023-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2023-12-31	No
Aggregate proceeds on sale of assets	2023-12-31	$140,546,123
Aggregate carrying amount (costs) on sale of assets	2023-12-31	$123,472,822
Liabilities. Value of acquisition indebtedness at end of year	2023-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2023-12-31	$0
Opinion of an independent qualified public accountant for this plan	2023-12-31	Unqualified
Accountancy firm name	2023-12-31	MOSS ADAMS LLP
Accountancy firm EIN	2023-12-31	910189318
Unrealized appreciation/depreciation of real estate assets	2023-01-01	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2023-01-01	$13,719,159
Total unrealized appreciation/depreciation of assets	2023-01-01	$13,719,159
Total transfer of assets to this plan	2023-01-01	$0
Total transfer of assets from this plan	2023-01-01	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2023-01-01	$848,286
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2023-01-01	$365,662
Total income from all sources (including contributions)	2023-01-01	$560,472,810
Total loss/gain on sale of assets	2023-01-01	$17,073,301
Total of all expenses incurred	2023-01-01	$148,019,707
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2023-01-01	$147,350,482
Expenses. Certain deemed distributions of participant loans	2023-01-01	$0
Value of total corrective distributions	2023-01-01	$84,342
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2023-01-01	$140,017,106
Value of total assets at end of year	2023-01-01	$2,355,374,902
Value of total assets at beginning of year	2023-01-01	$1,942,439,175
Total of administrative expenses incurred including professional, contract, advisory and management fees	2023-01-01	$584,883
Total income from rents	2023-01-01	$0
Total interest from all sources	2023-01-01	$2,371,052
Total dividends received (eg from common stock, registered investment company shares)	2023-01-01	$27,167,102
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2023-01-01	No
Total dividends received from registered investment company shares (eg mutual funds)	2023-01-01	$26,508,843
Assets. Real estate other than employer real property at end of year	2023-01-01	$0
Assets. Real estate other than employer real property at beginning of year	2023-01-01	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2023-01-01	$353,855
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2023-01-01	$204,019
Was this plan covered by a fidelity bond	2023-01-01	Yes
Value of fidelity bond cover	2023-01-01	$5,000,000
If this is an individual account plan, was there a blackout period	2023-01-01	No
Were there any nonexempt tranactions with any party-in-interest	2023-01-01	No
Contributions received from participants	2023-01-01	$112,016,638
Participant contributions at end of year	2023-01-01	$7,072,141
Participant contributions at beginning of year	2023-01-01	$6,654,404
Participant contributions at end of year	2023-01-01	$0
Participant contributions at beginning of year	2023-01-01	$0
Assets. Other investments not covered elsewhere at end of year	2023-01-01	$-43,016
Assets. Other investments not covered elsewhere at beginning of year	2023-01-01	$56,644,141
Income. Received or receivable in cash from other sources (including rollovers)	2023-01-01	$13,666,619
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2023-01-01	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2023-01-01	$880,378
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2023-01-01	$396,082
Assets. Loans (other than to participants) at end of year	2023-01-01	$0
Assets. Loans (other than to participants) at beginning of year	2023-01-01	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2023-01-01	$3,142
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2023-01-01	$108
Other income not declared elsewhere	2023-01-01	$36
Administrative expenses (other) incurred	2023-01-01	$0
Liabilities. Value of operating payables at end of year	2023-01-01	$-32,206
Liabilities. Value of operating payables at beginning of year	2023-01-01	$-30,528
Total non interest bearing cash at end of year	2023-01-01	$0
Total non interest bearing cash at beginning of year	2023-01-01	$38,700
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2023-01-01	No
Income. Non cash contributions	2023-01-01	$0
Value of net income/loss	2023-01-01	$412,453,103
Value of net assets at end of year (total assets less liabilities)	2023-01-01	$2,354,526,616
Value of net assets at beginning of year (total assets less liabilities)	2023-01-01	$1,942,073,513
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2023-01-01	No
Were any loans by the plan or fixed income obligations due to the plan in default	2023-01-01	No
Were any leases to which the plan was party in default or uncollectible	2023-01-01	No
Assets. partnership/joint venture interests at end of year	2023-01-01	$0
Assets. partnership/joint venture interests at beginning of year	2023-01-01	$0
Investment advisory and management fees	2023-01-01	$191,068
Value of interest in registered invesment companies (eg mutual funds) at end of year	2023-01-01	$804,152,748
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2023-01-01	$657,533,625
Value of interest in pooled separate accounts at end of year	2023-01-01	$0
Value of interest in pooled separate accounts at beginning of year	2023-01-01	$0
Interest on participant loans	2023-01-01	$401,173
Income. Interest from loans (other than to participants)	2023-01-01	$0
Interest earned on other investments	2023-01-01	$0
Income. Interest from US Government securities	2023-01-01	$7,621
Income. Interest from corporate debt instruments	2023-01-01	$27,163
Value of interest in master investment trust accounts at end of year	2023-01-01	$0
Value of interest in master investment trust accounts at beginning of year	2023-01-01	$0
Value of interest in common/collective trusts at end of year	2023-01-01	$1,409,817,284
Value of interest in common/collective trusts at beginning of year	2023-01-01	$1,122,293,057
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2023-01-01	$44,952,827
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2023-01-01	$1,935,095
Assets. Value of investments in 103.12 investment entities at end of year	2023-01-01	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2023-01-01	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2023-01-01	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2023-01-01	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2023-01-01	$0
Asset value of US Government securities at end of year	2023-01-01	$6,121,496
Asset value of US Government securities at beginning of year	2023-01-01	$784,706
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2023-01-01	$87,852,894
Net investment gain/loss from pooled separate accounts	2023-01-01	$0
Net investment gain or loss from common/collective trusts	2023-01-01	$272,272,160
Net gain/loss from 103.12 investment entities	2023-01-01	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2023-01-01	No
Was there a failure to transmit to the plan any participant contributions	2023-01-01	Yes
Has the plan failed to provide any benefit when due under the plan	2023-01-01	Yes
Assets. Invements in employer securities at end of year	2023-01-01	$0
Assets. Invements in employer securities at beginning of year	2023-01-01	$0
Assets. Value of employer real property at end of year	2023-01-01	$0
Assets. Value of employer real property at beginning of year	2023-01-01	$0
Contributions received in cash from employer	2023-01-01	$14,333,849
Employer contributions (assets) at end of year	2023-01-01	$0
Employer contributions (assets) at beginning of year	2023-01-01	$0
Income. Dividends from preferred stock	2023-01-01	$9,951
Income. Dividends from common stock	2023-01-01	$648,308
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2023-01-01	$147,350,482
Asset. Corporate debt instrument preferred debt at end of year	2023-01-01	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2023-01-01	$0
Asset. Corporate debt instrument debt (other) at end of year	2023-01-01	$571,578
Asset. Corporate debt instrument debt (other) at beginning of year	2023-01-01	$390,715
Contract administrator fees	2023-01-01	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2023-01-01	No
Assets. Corporate common stocks other than exployer securities at end of year	2023-01-01	$81,495,611
Assets. Corporate common stocks other than exployer securities at beginning of year	2023-01-01	$58,364,422
Liabilities. Value of benefit claims payable at end of year	2023-01-01	$877,350
Liabilities. Value of benefit claims payable at beginning of year	2023-01-01	$396,082
Assets. Value of buildings and other operty used in plan operation at end of year	2023-01-01	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2023-01-01	$0
Did the plan have assets held for investment	2023-01-01	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2023-01-01	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2023-01-01	No
Aggregate proceeds on sale of assets	2023-01-01	$140,546,123
Aggregate carrying amount (costs) on sale of assets	2023-01-01	$123,472,822
Liabilities. Value of acquisition indebtedness at end of year	2023-01-01	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2023-01-01	$0
Opinion of an independent qualified public accountant for this plan	2023-01-01	1
Accountancy firm name	2023-01-01	MOSS ADAMS LLP
Accountancy firm EIN	2023-01-01	910189318
2022 : SYNOPSYS 401(K) PLAN 2022 401k financial data
Unrealized appreciation/depreciation of real estate assets	2022-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2022-12-31	$-25,490,152
Total unrealized appreciation/depreciation of assets	2022-12-31	$-25,490,152
Total transfer of assets to this plan	2022-12-31	$26,324,070
Total transfer of assets from this plan	2022-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$365,662
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$607,328
Expenses. Interest paid	2022-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2022-12-31	$0
Total income from all sources (including contributions)	2022-12-31	$-343,526,802
Total loss/gain on sale of assets	2022-12-31	$-11,525,292
Total of all expenses incurred	2022-12-31	$97,078,190
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$96,230,488
Expenses. Certain deemed distributions of participant loans	2022-12-31	$0
Value of total corrective distributions	2022-12-31	$43,041
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$130,836,021
Value of total assets at end of year	2022-12-31	$1,942,439,175
Value of total assets at beginning of year	2022-12-31	$2,356,961,763
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$804,661
Total income from rents	2022-12-31	$0
Total interest from all sources	2022-12-31	$814,946
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$29,392,561
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2022-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2022-12-31	$28,722,481
Assets. Real estate other than employer real property at end of year	2022-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2022-12-31	$0
Administrative expenses professional fees incurred	2022-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2022-12-31	$204,019
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2022-12-31	$280,032
Was this plan covered by a fidelity bond	2022-12-31	Yes
Value of fidelity bond cover	2022-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2022-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2022-12-31	No
Contributions received from participants	2022-12-31	$99,386,132
Participant contributions at end of year	2022-12-31	$6,654,404
Participant contributions at beginning of year	2022-12-31	$5,535,452
Participant contributions at end of year	2022-12-31	$0
Participant contributions at beginning of year	2022-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2022-12-31	$56,644,141
Assets. Other investments not covered elsewhere at beginning of year	2022-12-31	$4,346,077
Income. Received or receivable in cash from other sources (including rollovers)	2022-12-31	$17,529,841
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2022-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2022-12-31	$396,082
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2022-12-31	$645,019
Assets. Loans (other than to participants) at end of year	2022-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2022-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2022-12-31	$108
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2022-12-31	$638,110
Other income not declared elsewhere	2022-12-31	$21
Administrative expenses (other) incurred	2022-12-31	$619,926
Liabilities. Value of operating payables at end of year	2022-12-31	$-30,528
Liabilities. Value of operating payables at beginning of year	2022-12-31	$-37,722
Total non interest bearing cash at end of year	2022-12-31	$38,700
Total non interest bearing cash at beginning of year	2022-12-31	$105,300
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Income. Non cash contributions	2022-12-31	$0
Value of net income/loss	2022-12-31	$-440,604,992
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$1,942,073,513
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$2,356,354,435
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2022-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2022-12-31	No
Were any leases to which the plan was party in default or uncollectible	2022-12-31	No
Assets. partnership/joint venture interests at end of year	2022-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2022-12-31	$0
Investment advisory and management fees	2022-12-31	$184,735
Value of interest in registered invesment companies (eg mutual funds) at end of year	2022-12-31	$657,533,625
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-12-31	$1,084,060,671
Value of interest in pooled separate accounts at end of year	2022-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2022-12-31	$0
Interest on participant loans	2022-12-31	$285,695
Income. Interest from loans (other than to participants)	2022-12-31	$0
Interest earned on other investments	2022-12-31	$0
Income. Interest from US Government securities	2022-12-31	$136
Income. Interest from corporate debt instruments	2022-12-31	$19,364
Value of interest in master investment trust accounts at end of year	2022-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2022-12-31	$0
Value of interest in common/collective trusts at end of year	2022-12-31	$1,122,293,057
Value of interest in common/collective trusts at beginning of year	2022-12-31	$1,138,058,027
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2022-12-31	$39,135,304
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2022-12-31	$33,264,176
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2022-12-31	$33,264,176
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2022-12-31	$509,751
Assets. Value of investments in 103.12 investment entities at end of year	2022-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2022-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2022-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2022-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2022-12-31	$0
Asset value of US Government securities at end of year	2022-12-31	$784,706
Asset value of US Government securities at beginning of year	2022-12-31	$11,415
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2022-12-31	$-206,072,475
Net investment gain/loss from pooled separate accounts	2022-12-31	$0
Net investment gain or loss from common/collective trusts	2022-12-31	$-261,482,432
Net gain/loss from 103.12 investment entities	2022-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2022-12-31	No
Was there a failure to transmit to the plan any participant contributions	2022-12-31	Yes
Has the plan failed to provide any benefit when due under the plan	2022-12-31	No
Assets. Invements in employer securities at end of year	2022-12-31	$0
Assets. Invements in employer securities at beginning of year	2022-12-31	$0
Assets. Value of employer real property at end of year	2022-12-31	$0
Assets. Value of employer real property at beginning of year	2022-12-31	$0
Contributions received in cash from employer	2022-12-31	$13,920,048
Employer contributions (assets) at end of year	2022-12-31	$0
Employer contributions (assets) at beginning of year	2022-12-31	$0
Income. Dividends from preferred stock	2022-12-31	$5,312
Income. Dividends from common stock	2022-12-31	$664,768
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2022-12-31	$96,230,488
Asset. Corporate debt instrument preferred debt at end of year	2022-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2022-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2022-12-31	$390,715
Asset. Corporate debt instrument debt (other) at beginning of year	2022-12-31	$329,305
Contract administrator fees	2022-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2022-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2022-12-31	$58,364,422
Assets. Corporate common stocks other than exployer securities at beginning of year	2022-12-31	$90,326,289
Liabilities. Value of benefit claims payable at end of year	2022-12-31	$396,082
Liabilities. Value of benefit claims payable at beginning of year	2022-12-31	$6,940
Assets. Value of buildings and other operty used in plan operation at end of year	2022-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2022-12-31	$0
Did the plan have assets held for investment	2022-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2022-12-31	No
Aggregate proceeds on sale of assets	2022-12-31	$118,110,986
Aggregate carrying amount (costs) on sale of assets	2022-12-31	$129,636,278
Liabilities. Value of acquisition indebtedness at end of year	2022-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2022-12-31	$0
Opinion of an independent qualified public accountant for this plan	2022-12-31	Unqualified
Accountancy firm name	2022-12-31	MOSS ADAMS LLP
Accountancy firm EIN	2022-12-31	910189318
Unrealized appreciation/depreciation of real estate assets	2022-01-01	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2022-01-01	$-25,490,152
Total unrealized appreciation/depreciation of assets	2022-01-01	$-25,490,152
Total transfer of assets to this plan	2022-01-01	$26,324,070
Total transfer of assets from this plan	2022-01-01	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-01-01	$365,662
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-01-01	$607,328
Total income from all sources (including contributions)	2022-01-01	$-343,526,802
Total loss/gain on sale of assets	2022-01-01	$-11,525,292
Total of all expenses incurred	2022-01-01	$97,078,190
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-01-01	$96,230,488
Expenses. Certain deemed distributions of participant loans	2022-01-01	$0
Value of total corrective distributions	2022-01-01	$43,041
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-01-01	$130,836,021
Value of total assets at end of year	2022-01-01	$1,942,439,175
Value of total assets at beginning of year	2022-01-01	$2,356,961,763
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-01-01	$804,661
Total income from rents	2022-01-01	$0
Total interest from all sources	2022-01-01	$814,946
Total dividends received (eg from common stock, registered investment company shares)	2022-01-01	$29,392,561
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2022-01-01	No
Total dividends received from registered investment company shares (eg mutual funds)	2022-01-01	$28,722,481
Assets. Real estate other than employer real property at end of year	2022-01-01	$0
Assets. Real estate other than employer real property at beginning of year	2022-01-01	$0
Administrative expenses professional fees incurred	2022-01-01	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2022-01-01	$204,019
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2022-01-01	$280,032
Was this plan covered by a fidelity bond	2022-01-01	Yes
Value of fidelity bond cover	2022-01-01	$5,000,000
If this is an individual account plan, was there a blackout period	2022-01-01	No
Were there any nonexempt tranactions with any party-in-interest	2022-01-01	No
Contributions received from participants	2022-01-01	$99,386,132
Participant contributions at end of year	2022-01-01	$6,654,404
Participant contributions at beginning of year	2022-01-01	$5,535,452
Participant contributions at end of year	2022-01-01	$0
Participant contributions at beginning of year	2022-01-01	$0
Assets. Other investments not covered elsewhere at end of year	2022-01-01	$56,644,141
Assets. Other investments not covered elsewhere at beginning of year	2022-01-01	$4,346,077
Income. Received or receivable in cash from other sources (including rollovers)	2022-01-01	$17,529,841
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2022-01-01	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2022-01-01	$396,082
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2022-01-01	$645,019
Assets. Loans (other than to participants) at end of year	2022-01-01	$0
Assets. Loans (other than to participants) at beginning of year	2022-01-01	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2022-01-01	$108
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2022-01-01	$638,110
Other income not declared elsewhere	2022-01-01	$21
Administrative expenses (other) incurred	2022-01-01	$619,926
Liabilities. Value of operating payables at end of year	2022-01-01	$-30,528
Liabilities. Value of operating payables at beginning of year	2022-01-01	$-37,722
Total non interest bearing cash at end of year	2022-01-01	$38,700
Total non interest bearing cash at beginning of year	2022-01-01	$105,300
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-01-01	No
Income. Non cash contributions	2022-01-01	$0
Value of net income/loss	2022-01-01	$-440,604,992
Value of net assets at end of year (total assets less liabilities)	2022-01-01	$1,942,073,513
Value of net assets at beginning of year (total assets less liabilities)	2022-01-01	$2,356,354,435
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2022-01-01	No
Were any loans by the plan or fixed income obligations due to the plan in default	2022-01-01	No
Were any leases to which the plan was party in default or uncollectible	2022-01-01	No
Assets. partnership/joint venture interests at end of year	2022-01-01	$0
Assets. partnership/joint venture interests at beginning of year	2022-01-01	$0
Investment advisory and management fees	2022-01-01	$184,735
Value of interest in registered invesment companies (eg mutual funds) at end of year	2022-01-01	$657,533,625
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-01-01	$1,084,060,671
Value of interest in pooled separate accounts at end of year	2022-01-01	$0
Value of interest in pooled separate accounts at beginning of year	2022-01-01	$0
Interest on participant loans	2022-01-01	$285,695
Income. Interest from loans (other than to participants)	2022-01-01	$0
Interest earned on other investments	2022-01-01	$0
Income. Interest from US Government securities	2022-01-01	$136
Income. Interest from corporate debt instruments	2022-01-01	$19,364
Value of interest in master investment trust accounts at end of year	2022-01-01	$0
Value of interest in master investment trust accounts at beginning of year	2022-01-01	$0
Value of interest in common/collective trusts at end of year	2022-01-01	$1,122,293,057
Value of interest in common/collective trusts at beginning of year	2022-01-01	$1,138,058,027
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2022-01-01	$39,135,304
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2022-01-01	$509,751
Assets. Value of investments in 103.12 investment entities at end of year	2022-01-01	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2022-01-01	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2022-01-01	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2022-01-01	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2022-01-01	$0
Asset value of US Government securities at end of year	2022-01-01	$784,706
Asset value of US Government securities at beginning of year	2022-01-01	$11,415
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2022-01-01	$-206,072,475
Net investment gain/loss from pooled separate accounts	2022-01-01	$0
Net investment gain or loss from common/collective trusts	2022-01-01	$-261,482,432
Net gain/loss from 103.12 investment entities	2022-01-01	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2022-01-01	No
Was there a failure to transmit to the plan any participant contributions	2022-01-01	Yes
Has the plan failed to provide any benefit when due under the plan	2022-01-01	No
Assets. Invements in employer securities at end of year	2022-01-01	$0
Assets. Invements in employer securities at beginning of year	2022-01-01	$0
Assets. Value of employer real property at end of year	2022-01-01	$0
Assets. Value of employer real property at beginning of year	2022-01-01	$0
Contributions received in cash from employer	2022-01-01	$13,920,048
Employer contributions (assets) at end of year	2022-01-01	$0
Employer contributions (assets) at beginning of year	2022-01-01	$0
Income. Dividends from preferred stock	2022-01-01	$5,312
Income. Dividends from common stock	2022-01-01	$664,768
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2022-01-01	$96,230,488
Asset. Corporate debt instrument preferred debt at end of year	2022-01-01	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2022-01-01	$0
Asset. Corporate debt instrument debt (other) at end of year	2022-01-01	$390,715
Asset. Corporate debt instrument debt (other) at beginning of year	2022-01-01	$329,305
Contract administrator fees	2022-01-01	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2022-01-01	No
Assets. Corporate common stocks other than exployer securities at end of year	2022-01-01	$58,364,422
Assets. Corporate common stocks other than exployer securities at beginning of year	2022-01-01	$90,326,289
Liabilities. Value of benefit claims payable at end of year	2022-01-01	$396,082
Liabilities. Value of benefit claims payable at beginning of year	2022-01-01	$6,940
Assets. Value of buildings and other operty used in plan operation at end of year	2022-01-01	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2022-01-01	$0
Did the plan have assets held for investment	2022-01-01	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-01-01	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2022-01-01	No
Aggregate proceeds on sale of assets	2022-01-01	$118,110,986
Aggregate carrying amount (costs) on sale of assets	2022-01-01	$129,636,278
Liabilities. Value of acquisition indebtedness at end of year	2022-01-01	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2022-01-01	$0
Opinion of an independent qualified public accountant for this plan	2022-01-01	1
Accountancy firm name	2022-01-01	MOSS ADAMS LLP
Accountancy firm EIN	2022-01-01	910189318
2021 : SYNOPSYS 401(K) PLAN 2021 401k financial data
Unrealized appreciation/depreciation of real estate assets	2021-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2021-12-31	$3,414,534
Total unrealized appreciation/depreciation of assets	2021-12-31	$3,414,534
Total transfer of assets to this plan	2021-12-31	$0
Total transfer of assets from this plan	2021-12-31	$55,092
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$607,328
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$184,190
Expenses. Interest paid	2021-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2021-12-31	$0
Total income from all sources (including contributions)	2021-12-31	$450,519,199
Total loss/gain on sale of assets	2021-12-31	$9,673,779
Total of all expenses incurred	2021-12-31	$120,095,215
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$119,455,080
Expenses. Certain deemed distributions of participant loans	2021-12-31	$4,243
Value of total corrective distributions	2021-12-31	$15,480
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$131,494,288
Value of total assets at end of year	2021-12-31	$2,356,961,763
Value of total assets at beginning of year	2021-12-31	$2,026,169,733
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$620,412
Total income from rents	2021-12-31	$0
Total interest from all sources	2021-12-31	$317,334
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$44,996,135
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2021-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2021-12-31	$44,220,379
Assets. Real estate other than employer real property at end of year	2021-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2021-12-31	$0
Administrative expenses professional fees incurred	2021-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2021-12-31	$280,032
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2021-12-31	$611,555
Was this plan covered by a fidelity bond	2021-12-31	Yes
Value of fidelity bond cover	2021-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2021-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2021-12-31	No
Contributions received from participants	2021-12-31	$92,971,676
Participant contributions at end of year	2021-12-31	$5,535,452
Participant contributions at beginning of year	2021-12-31	$5,305,837
Participant contributions at end of year	2021-12-31	$0
Participant contributions at beginning of year	2021-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2021-12-31	$4,346,077
Assets. Other investments not covered elsewhere at beginning of year	2021-12-31	$4,115,117
Income. Received or receivable in cash from other sources (including rollovers)	2021-12-31	$25,417,831
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2021-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2021-12-31	$645,019
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2021-12-31	$214,130
Assets. Loans (other than to participants) at end of year	2021-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2021-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2021-12-31	$638,110
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2021-12-31	$152,722
Other income not declared elsewhere	2021-12-31	$14
Administrative expenses (other) incurred	2021-12-31	$450,319
Liabilities. Value of operating payables at end of year	2021-12-31	$-37,722
Liabilities. Value of operating payables at beginning of year	2021-12-31	$-29,965
Total non interest bearing cash at end of year	2021-12-31	$105,300
Total non interest bearing cash at beginning of year	2021-12-31	$153,856
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Income. Non cash contributions	2021-12-31	$0
Value of net income/loss	2021-12-31	$330,423,984
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$2,356,354,435
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$2,025,985,543
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2021-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2021-12-31	No
Were any leases to which the plan was party in default or uncollectible	2021-12-31	No
Assets. partnership/joint venture interests at end of year	2021-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2021-12-31	$0
Investment advisory and management fees	2021-12-31	$170,093
Value of interest in registered invesment companies (eg mutual funds) at end of year	2021-12-31	$1,084,060,671
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2021-12-31	$923,715,605
Value of interest in pooled separate accounts at end of year	2021-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2021-12-31	$0
Interest on participant loans	2021-12-31	$269,239
Income. Interest from loans (other than to participants)	2021-12-31	$0
Interest earned on other investments	2021-12-31	$0
Income. Interest from US Government securities	2021-12-31	$48
Income. Interest from corporate debt instruments	2021-12-31	$25,937
Value of interest in master investment trust accounts at end of year	2021-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2021-12-31	$0
Value of interest in common/collective trusts at end of year	2021-12-31	$1,138,058,027
Value of interest in common/collective trusts at beginning of year	2021-12-31	$985,086,594
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2021-12-31	$33,264,176
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2021-12-31	$43,905,557
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2021-12-31	$43,905,557
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2021-12-31	$22,110
Assets. Value of investments in 103.12 investment entities at end of year	2021-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2021-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2021-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2021-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2021-12-31	$0
Asset value of US Government securities at end of year	2021-12-31	$11,415
Asset value of US Government securities at beginning of year	2021-12-31	$19,224
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2021-12-31	$102,414,040
Net investment gain/loss from pooled separate accounts	2021-12-31	$0
Net investment gain or loss from common/collective trusts	2021-12-31	$158,209,075
Net gain/loss from 103.12 investment entities	2021-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2021-12-31	No
Was there a failure to transmit to the plan any participant contributions	2021-12-31	No
Has the plan failed to provide any benefit when due under the plan	2021-12-31	No
Assets. Invements in employer securities at end of year	2021-12-31	$0
Assets. Invements in employer securities at beginning of year	2021-12-31	$0
Assets. Value of employer real property at end of year	2021-12-31	$0
Assets. Value of employer real property at beginning of year	2021-12-31	$0
Contributions received in cash from employer	2021-12-31	$13,104,781
Employer contributions (assets) at end of year	2021-12-31	$0
Employer contributions (assets) at beginning of year	2021-12-31	$0
Income. Dividends from preferred stock	2021-12-31	$7,922
Income. Dividends from common stock	2021-12-31	$767,834
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2021-12-31	$119,455,080
Asset. Corporate debt instrument preferred debt at end of year	2021-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2021-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2021-12-31	$329,305
Asset. Corporate debt instrument debt (other) at beginning of year	2021-12-31	$863,316
Contract administrator fees	2021-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2021-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2021-12-31	$90,326,289
Assets. Corporate common stocks other than exployer securities at beginning of year	2021-12-31	$62,178,942
Liabilities. Value of benefit claims payable at end of year	2021-12-31	$6,940
Liabilities. Value of benefit claims payable at beginning of year	2021-12-31	$61,433
Assets. Value of buildings and other operty used in plan operation at end of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2021-12-31	$0
Did the plan have assets held for investment	2021-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2021-12-31	No
Aggregate proceeds on sale of assets	2021-12-31	$198,630,831
Aggregate carrying amount (costs) on sale of assets	2021-12-31	$188,957,052
Liabilities. Value of acquisition indebtedness at end of year	2021-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2021-12-31	$0
Opinion of an independent qualified public accountant for this plan	2021-12-31	Unqualified
Accountancy firm name	2021-12-31	MOSS ADAMS LLP
Accountancy firm EIN	2021-12-31	910189318
2020 : SYNOPSYS 401(K) PLAN 2020 401k financial data
Unrealized appreciation/depreciation of real estate assets	2020-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2020-12-31	$11,752,972
Total unrealized appreciation/depreciation of assets	2020-12-31	$11,752,972
Total transfer of assets to this plan	2020-12-31	$3,291,514
Total transfer of assets from this plan	2020-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$184,190
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$-51,347
Expenses. Interest paid	2020-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2020-12-31	$0
Total income from all sources (including contributions)	2020-12-31	$430,026,147
Total loss/gain on sale of assets	2020-12-31	$10,834,475
Total of all expenses incurred	2020-12-31	$120,491,546
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$119,715,219
Expenses. Certain deemed distributions of participant loans	2020-12-31	$28,254
Value of total corrective distributions	2020-12-31	$45,306
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$110,506,649
Value of total assets at end of year	2020-12-31	$2,026,169,733
Value of total assets at beginning of year	2020-12-31	$1,713,108,081
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$702,767
Total income from rents	2020-12-31	$0
Total interest from all sources	2020-12-31	$795,112
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$25,162,235
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2020-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2020-12-31	$24,586,062
Assets. Real estate other than employer real property at end of year	2020-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2020-12-31	$0
Administrative expenses professional fees incurred	2020-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2020-12-31	$611,555
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2020-12-31	$730,014
Was this plan covered by a fidelity bond	2020-12-31	Yes
Value of fidelity bond cover	2020-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2020-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2020-12-31	No
Contributions received from participants	2020-12-31	$87,272,687
Participant contributions at end of year	2020-12-31	$5,305,837
Participant contributions at beginning of year	2020-12-31	$5,806,995
Participant contributions at end of year	2020-12-31	$0
Participant contributions at beginning of year	2020-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2020-12-31	$4,115,117
Assets. Other investments not covered elsewhere at beginning of year	2020-12-31	$3,894,163
Income. Received or receivable in cash from other sources (including rollovers)	2020-12-31	$11,284,400
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2020-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2020-12-31	$214,130
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2020-12-31	$0
Assets. Loans (other than to participants) at end of year	2020-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2020-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2020-12-31	$152,722
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2020-12-31	$15
Other income not declared elsewhere	2020-12-31	$18
Administrative expenses (other) incurred	2020-12-31	$552,172
Liabilities. Value of operating payables at end of year	2020-12-31	$-29,965
Liabilities. Value of operating payables at beginning of year	2020-12-31	$-51,774
Total non interest bearing cash at end of year	2020-12-31	$153,856
Total non interest bearing cash at beginning of year	2020-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Income. Non cash contributions	2020-12-31	$0
Value of net income/loss	2020-12-31	$309,534,601
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$2,025,985,543
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$1,713,159,428
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2020-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2020-12-31	No
Were any leases to which the plan was party in default or uncollectible	2020-12-31	No
Assets. partnership/joint venture interests at end of year	2020-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2020-12-31	$0
Investment advisory and management fees	2020-12-31	$150,595
Value of interest in registered invesment companies (eg mutual funds) at end of year	2020-12-31	$923,715,605
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-12-31	$807,526,797
Value of interest in pooled separate accounts at end of year	2020-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2020-12-31	$0
Interest on participant loans	2020-12-31	$305,954
Income. Interest from loans (other than to participants)	2020-12-31	$0
Interest earned on other investments	2020-12-31	$0
Income. Interest from US Government securities	2020-12-31	$1,928
Income. Interest from corporate debt instruments	2020-12-31	$42,988
Value of interest in master investment trust accounts at end of year	2020-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2020-12-31	$0
Value of interest in common/collective trusts at end of year	2020-12-31	$985,086,594
Value of interest in common/collective trusts at beginning of year	2020-12-31	$733,950,094
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2020-12-31	$43,905,557
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2020-12-31	$125,002,483
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2020-12-31	$125,002,483
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2020-12-31	$444,242
Assets. Value of investments in 103.12 investment entities at end of year	2020-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2020-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2020-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2020-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2020-12-31	$0
Asset value of US Government securities at end of year	2020-12-31	$19,224
Asset value of US Government securities at beginning of year	2020-12-31	$461,381
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2020-12-31	$110,862,931
Net investment gain/loss from pooled separate accounts	2020-12-31	$0
Net investment gain or loss from common/collective trusts	2020-12-31	$160,111,755
Net gain/loss from 103.12 investment entities	2020-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2020-12-31	No
Was there a failure to transmit to the plan any participant contributions	2020-12-31	No
Has the plan failed to provide any benefit when due under the plan	2020-12-31	No
Assets. Invements in employer securities at end of year	2020-12-31	$0
Assets. Invements in employer securities at beginning of year	2020-12-31	$0
Assets. Value of employer real property at end of year	2020-12-31	$0
Assets. Value of employer real property at beginning of year	2020-12-31	$0
Contributions received in cash from employer	2020-12-31	$11,949,562
Employer contributions (assets) at end of year	2020-12-31	$0
Employer contributions (assets) at beginning of year	2020-12-31	$0
Income. Dividends from preferred stock	2020-12-31	$7,666
Income. Dividends from common stock	2020-12-31	$568,507
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2020-12-31	$119,715,219
Asset. Corporate debt instrument preferred debt at end of year	2020-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2020-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2020-12-31	$863,316
Asset. Corporate debt instrument debt (other) at beginning of year	2020-12-31	$1,249,283
Contract administrator fees	2020-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2020-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2020-12-31	$62,178,942
Assets. Corporate common stocks other than exployer securities at beginning of year	2020-12-31	$34,486,871
Liabilities. Value of benefit claims payable at end of year	2020-12-31	$61,433
Liabilities. Value of benefit claims payable at beginning of year	2020-12-31	$412
Assets. Value of buildings and other operty used in plan operation at end of year	2020-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2020-12-31	$0
Did the plan have assets held for investment	2020-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2020-12-31	No
Aggregate proceeds on sale of assets	2020-12-31	$180,007,400
Aggregate carrying amount (costs) on sale of assets	2020-12-31	$169,172,925
Liabilities. Value of acquisition indebtedness at end of year	2020-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2020-12-31	$0
Opinion of an independent qualified public accountant for this plan	2020-12-31	Unqualified
Accountancy firm name	2020-12-31	MOSS ADAMS LLP
Accountancy firm EIN	2020-12-31	910189318
2019 : SYNOPSYS 401(K) PLAN 2019 401k financial data
Unrealized appreciation/depreciation of real estate assets	2019-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2019-12-31	$6,726,050
Total unrealized appreciation/depreciation of assets	2019-12-31	$6,726,050
Total transfer of assets to this plan	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$-51,347
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$10,583
Expenses. Interest paid	2019-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2019-12-31	$0
Total income from all sources (including contributions)	2019-12-31	$450,332,682
Total loss/gain on sale of assets	2019-12-31	$7,189,687
Total of all expenses incurred	2019-12-31	$83,774,765
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$83,074,110
Expenses. Certain deemed distributions of participant loans	2019-12-31	$28,489
Value of total corrective distributions	2019-12-31	$49,167
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$109,569,813
Value of total assets at end of year	2019-12-31	$1,713,108,081
Value of total assets at beginning of year	2019-12-31	$1,346,612,094
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$622,999
Total income from rents	2019-12-31	$0
Total interest from all sources	2019-12-31	$2,811,319
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$33,755,781
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2019-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2019-12-31	$33,292,224
Assets. Real estate other than employer real property at end of year	2019-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2019-12-31	$0
Administrative expenses professional fees incurred	2019-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2019-12-31	$730,014
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2019-12-31	$309,586
Was this plan covered by a fidelity bond	2019-12-31	Yes
Value of fidelity bond cover	2019-12-31	$3,000,000
If this is an individual account plan, was there a blackout period	2019-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Contributions received from participants	2019-12-31	$83,680,601
Participant contributions at end of year	2019-12-31	$5,806,995
Participant contributions at beginning of year	2019-12-31	$5,940,809
Participant contributions at end of year	2019-12-31	$0
Participant contributions at beginning of year	2019-12-31	$32,333
Assets. Other investments not covered elsewhere at end of year	2019-12-31	$3,894,163
Assets. Other investments not covered elsewhere at beginning of year	2019-12-31	$389,958
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$12,773,223
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2019-12-31	$0
Assets. Loans (other than to participants) at end of year	2019-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2019-12-31	$15
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2019-12-31	$15
Other income not declared elsewhere	2019-12-31	$12
Administrative expenses (other) incurred	2019-12-31	$463,149
Liabilities. Value of operating payables at end of year	2019-12-31	$-51,774
Liabilities. Value of operating payables at beginning of year	2019-12-31	$-24,221
Total non interest bearing cash at end of year	2019-12-31	$0
Total non interest bearing cash at beginning of year	2019-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Income. Non cash contributions	2019-12-31	$0
Value of net income/loss	2019-12-31	$366,557,917
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$1,713,159,428
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$1,346,601,511
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2019-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2019-12-31	No
Were any leases to which the plan was party in default or uncollectible	2019-12-31	No
Assets. partnership/joint venture interests at end of year	2019-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2019-12-31	$0
Investment advisory and management fees	2019-12-31	$159,850
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$807,526,797
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$948,662,052
Value of interest in pooled separate accounts at end of year	2019-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2019-12-31	$0
Interest on participant loans	2019-12-31	$318,459
Income. Interest from loans (other than to participants)	2019-12-31	$0
Interest earned on other investments	2019-12-31	$0
Income. Interest from US Government securities	2019-12-31	$10,438
Income. Interest from corporate debt instruments	2019-12-31	$53,703
Value of interest in master investment trust accounts at end of year	2019-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2019-12-31	$0
Value of interest in common/collective trusts at end of year	2019-12-31	$733,950,094
Value of interest in common/collective trusts at beginning of year	2019-12-31	$250,540,600
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2019-12-31	$125,002,483
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2019-12-31	$109,218,830
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2019-12-31	$109,218,830
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2019-12-31	$2,428,719
Assets. Value of investments in 103.12 investment entities at end of year	2019-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2019-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2019-12-31	$0
Asset value of US Government securities at end of year	2019-12-31	$461,381
Asset value of US Government securities at beginning of year	2019-12-31	$736,542
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$212,458,232
Net investment gain/loss from pooled separate accounts	2019-12-31	$0
Net investment gain or loss from common/collective trusts	2019-12-31	$77,821,788
Net gain/loss from 103.12 investment entities	2019-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Was there a failure to transmit to the plan any participant contributions	2019-12-31	No
Has the plan failed to provide any benefit when due under the plan	2019-12-31	Yes
Assets. Invements in employer securities at end of year	2019-12-31	$0
Assets. Invements in employer securities at beginning of year	2019-12-31	$0
Assets. Value of employer real property at end of year	2019-12-31	$0
Assets. Value of employer real property at beginning of year	2019-12-31	$0
Contributions received in cash from employer	2019-12-31	$13,115,989
Employer contributions (assets) at end of year	2019-12-31	$0
Employer contributions (assets) at beginning of year	2019-12-31	$0
Income. Dividends from preferred stock	2019-12-31	$8,645
Income. Dividends from common stock	2019-12-31	$454,912
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$83,074,110
Asset. Corporate debt instrument preferred debt at end of year	2019-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2019-12-31	$1,249,283
Asset. Corporate debt instrument debt (other) at beginning of year	2019-12-31	$1,217,014
Contract administrator fees	2019-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2019-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2019-12-31	$34,486,871
Assets. Corporate common stocks other than exployer securities at beginning of year	2019-12-31	$29,564,370
Liabilities. Value of benefit claims payable at end of year	2019-12-31	$412
Liabilities. Value of benefit claims payable at beginning of year	2019-12-31	$34,789
Assets. Value of buildings and other operty used in plan operation at end of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2019-12-31	$0
Did the plan have assets held for investment	2019-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2019-12-31	No
Aggregate proceeds on sale of assets	2019-12-31	$71,112,795
Aggregate carrying amount (costs) on sale of assets	2019-12-31	$63,923,108
Liabilities. Value of acquisition indebtedness at end of year	2019-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2019-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2019-12-31	Disclaimer
Accountancy firm name	2019-12-31	MOSS ADAMS LLP
Accountancy firm EIN	2019-12-31	910189318
2018 : SYNOPSYS 401(K) PLAN 2018 401k financial data
Unrealized appreciation/depreciation of real estate assets	2018-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2018-12-31	$-5,698,375
Total unrealized appreciation/depreciation of assets	2018-12-31	$-5,698,375
Total transfer of assets to this plan	2018-12-31	$14,066,402
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$10,583
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$-4,089
Expenses. Interest paid	2018-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2018-12-31	$0
Total income from all sources (including contributions)	2018-12-31	$34,993,003
Total loss/gain on sale of assets	2018-12-31	$2,277,855
Total of all expenses incurred	2018-12-31	$54,828,072
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$54,495,659
Expenses. Certain deemed distributions of participant loans	2018-12-31	$0
Value of total corrective distributions	2018-12-31	$49,247
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$105,951,446
Value of total assets at end of year	2018-12-31	$1,346,612,094
Value of total assets at beginning of year	2018-12-31	$1,352,366,089
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$283,166
Total income from rents	2018-12-31	$0
Total interest from all sources	2018-12-31	$2,079,800
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$63,980,359
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2018-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2018-12-31	$63,612,060
Assets. Real estate other than employer real property at end of year	2018-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2018-12-31	$0
Administrative expenses professional fees incurred	2018-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2018-12-31	$309,586
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2018-12-31	$317,562
Was this plan covered by a fidelity bond	2018-12-31	Yes
Value of fidelity bond cover	2018-12-31	$3,000,000
If this is an individual account plan, was there a blackout period	2018-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2018-12-31	No
Contributions received from participants	2018-12-31	$79,221,667
Participant contributions at end of year	2018-12-31	$5,940,809
Participant contributions at beginning of year	2018-12-31	$5,216,720
Participant contributions at end of year	2018-12-31	$32,333
Participant contributions at beginning of year	2018-12-31	$105,217
Assets. Other investments not covered elsewhere at end of year	2018-12-31	$389,958
Assets. Other investments not covered elsewhere at beginning of year	2018-12-31	$871,819
Income. Received or receivable in cash from other sources (including rollovers)	2018-12-31	$14,067,565
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2018-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2018-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2018-12-31	$198,334
Assets. Loans (other than to participants) at end of year	2018-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2018-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2018-12-31	$15
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2018-12-31	$15
Other income not declared elsewhere	2018-12-31	$0
Administrative expenses (other) incurred	2018-12-31	$556,321
Liabilities. Value of operating payables at end of year	2018-12-31	$-24,221
Liabilities. Value of operating payables at beginning of year	2018-12-31	$-121,816
Total non interest bearing cash at end of year	2018-12-31	$0
Total non interest bearing cash at beginning of year	2018-12-31	$20,797
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Income. Non cash contributions	2018-12-31	$0
Value of net income/loss	2018-12-31	$-19,835,069
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$1,346,601,511
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$1,352,370,178
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2018-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2018-12-31	No
Were any leases to which the plan was party in default or uncollectible	2018-12-31	No
Assets. partnership/joint venture interests at end of year	2018-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2018-12-31	$0
Investment advisory and management fees	2018-12-31	$-273,155
Value of interest in registered invesment companies (eg mutual funds) at end of year	2018-12-31	$948,662,052
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$1,221,143,220
Value of interest in pooled separate accounts at end of year	2018-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2018-12-31	$0
Interest on participant loans	2018-12-31	$270,961
Income. Interest from loans (other than to participants)	2018-12-31	$0
Interest earned on other investments	2018-12-31	$0
Income. Interest from US Government securities	2018-12-31	$9,432
Income. Interest from corporate debt instruments	2018-12-31	$43,820
Value of interest in master investment trust accounts at end of year	2018-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2018-12-31	$0
Value of interest in common/collective trusts at end of year	2018-12-31	$250,540,600
Value of interest in common/collective trusts at beginning of year	2018-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2018-12-31	$109,218,830
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2018-12-31	$96,646,111
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2018-12-31	$96,646,111
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2018-12-31	$1,755,587
Assets. Value of investments in 103.12 investment entities at end of year	2018-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2018-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2018-12-31	$0
Asset value of US Government securities at end of year	2018-12-31	$736,542
Asset value of US Government securities at beginning of year	2018-12-31	$515,081
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2018-12-31	$-125,812,337
Net investment gain/loss from pooled separate accounts	2018-12-31	$0
Net investment gain or loss from common/collective trusts	2018-12-31	$-7,785,745
Net gain/loss from 103.12 investment entities	2018-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2018-12-31	No
Was there a failure to transmit to the plan any participant contributions	2018-12-31	No
Has the plan failed to provide any benefit when due under the plan	2018-12-31	Yes
Assets. Invements in employer securities at end of year	2018-12-31	$0
Assets. Invements in employer securities at beginning of year	2018-12-31	$0
Assets. Value of employer real property at end of year	2018-12-31	$0
Assets. Value of employer real property at beginning of year	2018-12-31	$0
Contributions received in cash from employer	2018-12-31	$12,662,214
Employer contributions (assets) at end of year	2018-12-31	$0
Employer contributions (assets) at beginning of year	2018-12-31	$7,080
Income. Dividends from preferred stock	2018-12-31	$6,986
Income. Dividends from common stock	2018-12-31	$361,313
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2018-12-31	$54,495,659
Asset. Corporate debt instrument preferred debt at end of year	2018-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2018-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2018-12-31	$1,217,014
Asset. Corporate debt instrument debt (other) at beginning of year	2018-12-31	$531,504
Contract administrator fees	2018-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2018-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2018-12-31	$29,564,370
Assets. Corporate common stocks other than exployer securities at beginning of year	2018-12-31	$26,792,644
Liabilities. Value of benefit claims payable at end of year	2018-12-31	$34,789
Liabilities. Value of benefit claims payable at beginning of year	2018-12-31	$117,712
Assets. Value of buildings and other operty used in plan operation at end of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2018-12-31	$0
Did the plan have assets held for investment	2018-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2018-12-31	No
Aggregate proceeds on sale of assets	2018-12-31	$77,140,568
Aggregate carrying amount (costs) on sale of assets	2018-12-31	$74,862,713
Liabilities. Value of acquisition indebtedness at end of year	2018-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2018-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2018-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2018-12-31	Disclaimer
Accountancy firm name	2018-12-31	MOSS ADAMS LLP
Accountancy firm EIN	2018-12-31	910189318
2017 : SYNOPSYS 401(K) PLAN 2017 401k financial data
Unrealized appreciation/depreciation of real estate assets	2017-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2017-12-31	$2,050,039
Total unrealized appreciation/depreciation of assets	2017-12-31	$2,050,039
Total transfer of assets to this plan	2017-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$-4,089
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$-167,997
Expenses. Interest paid	2017-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2017-12-31	$0
Total income from all sources (including contributions)	2017-12-31	$311,749,896
Total loss/gain on sale of assets	2017-12-31	$2,527,209
Total of all expenses incurred	2017-12-31	$54,260,822
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$53,902,144
Expenses. Certain deemed distributions of participant loans	2017-12-31	$0
Value of total corrective distributions	2017-12-31	$21,989
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$97,058,235
Value of total assets at end of year	2017-12-31	$1,352,366,089
Value of total assets at beginning of year	2017-12-31	$1,094,713,107
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$336,689
Total income from rents	2017-12-31	$0
Total interest from all sources	2017-12-31	$1,023,950
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$38,400,548
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2017-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2017-12-31	$38,096,968
Assets. Real estate other than employer real property at end of year	2017-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2017-12-31	$0
Administrative expenses professional fees incurred	2017-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2017-12-31	$317,562
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2017-12-31	$313,324
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$3,000,000
If this is an individual account plan, was there a blackout period	2017-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2017-12-31	No
Contributions received from participants	2017-12-31	$69,202,022
Participant contributions at end of year	2017-12-31	$5,216,720
Participant contributions at beginning of year	2017-12-31	$5,575,544
Participant contributions at end of year	2017-12-31	$105,217
Participant contributions at beginning of year	2017-12-31	$81,258
Assets. Other investments not covered elsewhere at end of year	2017-12-31	$871,819
Assets. Other investments not covered elsewhere at beginning of year	2017-12-31	$604,294
Income. Received or receivable in cash from other sources (including rollovers)	2017-12-31	$16,490,470
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2017-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2017-12-31	$198,334
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2017-12-31	$72,557
Assets. Loans (other than to participants) at end of year	2017-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2017-12-31	$15
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2017-12-31	$0
Other income not declared elsewhere	2017-12-31	$0
Administrative expenses (other) incurred	2017-12-31	$626,540
Liabilities. Value of operating payables at end of year	2017-12-31	$-121,816
Liabilities. Value of operating payables at beginning of year	2017-12-31	$-192,829
Total non interest bearing cash at end of year	2017-12-31	$20,797
Total non interest bearing cash at beginning of year	2017-12-31	$13,958
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Income. Non cash contributions	2017-12-31	$0
Value of net income/loss	2017-12-31	$257,489,074
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$1,352,370,178
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$1,094,881,104
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2017-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2017-12-31	No
Were any leases to which the plan was party in default or uncollectible	2017-12-31	No
Assets. partnership/joint venture interests at end of year	2017-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2017-12-31	$0
Investment advisory and management fees	2017-12-31	$-289,851
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$1,221,143,220
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$950,328,542
Value of interest in pooled separate accounts at end of year	2017-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2017-12-31	$0
Interest on participant loans	2017-12-31	$242,758
Income. Interest from loans (other than to participants)	2017-12-31	$0
Interest earned on other investments	2017-12-31	$0
Income. Interest from US Government securities	2017-12-31	$45
Income. Interest from corporate debt instruments	2017-12-31	$31,443
Value of interest in master investment trust accounts at end of year	2017-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2017-12-31	$0
Value of interest in common/collective trusts at end of year	2017-12-31	$0
Value of interest in common/collective trusts at beginning of year	2017-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2017-12-31	$96,646,111
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2017-12-31	$102,161,295
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2017-12-31	$102,161,295
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2017-12-31	$749,704
Assets. Value of investments in 103.12 investment entities at end of year	2017-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2017-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2017-12-31	$0
Asset value of US Government securities at end of year	2017-12-31	$515,081
Asset value of US Government securities at beginning of year	2017-12-31	$1,256
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2017-12-31	$170,689,915
Net investment gain/loss from pooled separate accounts	2017-12-31	$0
Net investment gain or loss from common/collective trusts	2017-12-31	$0
Net gain/loss from 103.12 investment entities	2017-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2017-12-31	No
Was there a failure to transmit to the plan any participant contributions	2017-12-31	No
Has the plan failed to provide any benefit when due under the plan	2017-12-31	Yes
Assets. Invements in employer securities at end of year	2017-12-31	$0
Assets. Invements in employer securities at beginning of year	2017-12-31	$0
Assets. Value of employer real property at end of year	2017-12-31	$0
Assets. Value of employer real property at beginning of year	2017-12-31	$0
Contributions received in cash from employer	2017-12-31	$11,365,743
Employer contributions (assets) at end of year	2017-12-31	$7,080
Employer contributions (assets) at beginning of year	2017-12-31	$4,541
Income. Dividends from preferred stock	2017-12-31	$6,491
Income. Dividends from common stock	2017-12-31	$297,089
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$53,902,144
Asset. Corporate debt instrument preferred debt at end of year	2017-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2017-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2017-12-31	$531,504
Asset. Corporate debt instrument debt (other) at beginning of year	2017-12-31	$488,244
Contract administrator fees	2017-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2017-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2017-12-31	$26,792,644
Assets. Corporate common stocks other than exployer securities at beginning of year	2017-12-31	$35,068,294
Liabilities. Value of benefit claims payable at end of year	2017-12-31	$117,712
Liabilities. Value of benefit claims payable at beginning of year	2017-12-31	$24,832
Assets. Value of buildings and other operty used in plan operation at end of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2017-12-31	$0
Did the plan have assets held for investment	2017-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2017-12-31	No
Aggregate proceeds on sale of assets	2017-12-31	$38,215,358
Aggregate carrying amount (costs) on sale of assets	2017-12-31	$35,688,149
Liabilities. Value of acquisition indebtedness at end of year	2017-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2017-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2017-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2017-12-31	Disclaimer
Accountancy firm name	2017-12-31	MOSS ADAMS LLP
Accountancy firm EIN	2017-12-31	910189318
2016 : SYNOPSYS 401(K) PLAN 2016 401k financial data
Unrealized appreciation/depreciation of real estate assets	2016-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2016-12-31	$2,431,825
Total unrealized appreciation/depreciation of assets	2016-12-31	$2,431,825
Total transfer of assets to this plan	2016-12-31	$503,516
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$-167,997
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$177,920
Expenses. Interest paid	2016-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2016-12-31	$0
Total income from all sources (including contributions)	2016-12-31	$158,973,183
Total loss/gain on sale of assets	2016-12-31	$569,125
Total of all expenses incurred	2016-12-31	$45,896,065
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$45,644,547
Expenses. Certain deemed distributions of participant loans	2016-12-31	$36,152
Value of total corrective distributions	2016-12-31	$37,677
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$80,973,219
Value of total assets at end of year	2016-12-31	$1,094,713,107
Value of total assets at beginning of year	2016-12-31	$981,478,390
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$177,689
Total income from rents	2016-12-31	$0
Total interest from all sources	2016-12-31	$515,766
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$29,510,693
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2016-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2016-12-31	$28,910,836
Assets. Real estate other than employer real property at end of year	2016-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2016-12-31	$0
Administrative expenses professional fees incurred	2016-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2016-12-31	$313,324
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2016-12-31	$231,414
Was this plan covered by a fidelity bond	2016-12-31	Yes
Value of fidelity bond cover	2016-12-31	$500,000
If this is an individual account plan, was there a blackout period	2016-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2016-12-31	No
Contributions received from participants	2016-12-31	$62,614,508
Participant contributions at end of year	2016-12-31	$5,575,544
Participant contributions at beginning of year	2016-12-31	$5,484,602
Participant contributions at end of year	2016-12-31	$81,258
Participant contributions at beginning of year	2016-12-31	$83,373
Assets. Other investments not covered elsewhere at end of year	2016-12-31	$604,294
Assets. Other investments not covered elsewhere at beginning of year	2016-12-31	$770,625
Income. Received or receivable in cash from other sources (including rollovers)	2016-12-31	$8,018,433
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2016-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2016-12-31	$72,557
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2016-12-31	$11,880
Assets. Loans (other than to participants) at end of year	2016-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2016-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2016-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2016-12-31	$0
Other income not declared elsewhere	2016-12-31	$0
Administrative expenses (other) incurred	2016-12-31	$561,116
Liabilities. Value of operating payables at end of year	2016-12-31	$-192,829
Liabilities. Value of operating payables at beginning of year	2016-12-31	$-96,804
Total non interest bearing cash at end of year	2016-12-31	$13,958
Total non interest bearing cash at beginning of year	2016-12-31	$10,105
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Income. Non cash contributions	2016-12-31	$0
Value of net income/loss	2016-12-31	$113,077,118
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$1,094,881,104
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$981,300,470
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2016-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2016-12-31	No
Were any leases to which the plan was party in default or uncollectible	2016-12-31	No
Assets. partnership/joint venture interests at end of year	2016-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2016-12-31	$0
Investment advisory and management fees	2016-12-31	$-383,427
Value of interest in registered invesment companies (eg mutual funds) at end of year	2016-12-31	$950,328,542
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$862,652,210
Value of interest in pooled separate accounts at end of year	2016-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2016-12-31	$0
Interest on participant loans	2016-12-31	$234,477
Income. Interest from loans (other than to participants)	2016-12-31	$0
Interest earned on other investments	2016-12-31	$0
Income. Interest from US Government securities	2016-12-31	$774
Income. Interest from corporate debt instruments	2016-12-31	$29,423
Value of interest in master investment trust accounts at end of year	2016-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2016-12-31	$0
Value of interest in common/collective trusts at end of year	2016-12-31	$0
Value of interest in common/collective trusts at beginning of year	2016-12-31	$1,377,761
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2016-12-31	$102,161,295
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2016-12-31	$81,107,254
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2016-12-31	$81,107,254
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2016-12-31	$251,092
Assets. Value of investments in 103.12 investment entities at end of year	2016-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2016-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2016-12-31	$0
Asset value of US Government securities at end of year	2016-12-31	$1,256
Asset value of US Government securities at beginning of year	2016-12-31	$72,016
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2016-12-31	$44,968,171
Net investment gain/loss from pooled separate accounts	2016-12-31	$0
Net investment gain or loss from common/collective trusts	2016-12-31	$4,384
Net gain/loss from 103.12 investment entities	2016-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2016-12-31	No
Was there a failure to transmit to the plan any participant contributions	2016-12-31	No
Has the plan failed to provide any benefit when due under the plan	2016-12-31	Yes
Assets. Invements in employer securities at end of year	2016-12-31	$0
Assets. Invements in employer securities at beginning of year	2016-12-31	$0
Assets. Value of employer real property at end of year	2016-12-31	$0
Assets. Value of employer real property at beginning of year	2016-12-31	$0
Contributions received in cash from employer	2016-12-31	$10,340,278
Employer contributions (assets) at end of year	2016-12-31	$4,541
Employer contributions (assets) at beginning of year	2016-12-31	$5,134
Income. Dividends from preferred stock	2016-12-31	$8,352
Income. Dividends from common stock	2016-12-31	$591,505
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2016-12-31	$45,644,547
Asset. Corporate debt instrument preferred debt at end of year	2016-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2016-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2016-12-31	$488,244
Asset. Corporate debt instrument debt (other) at beginning of year	2016-12-31	$356,223
Contract administrator fees	2016-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2016-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2016-12-31	$35,068,294
Assets. Corporate common stocks other than exployer securities at beginning of year	2016-12-31	$29,315,793
Liabilities. Value of benefit claims payable at end of year	2016-12-31	$24,832
Liabilities. Value of benefit claims payable at beginning of year	2016-12-31	$274,724
Assets. Value of buildings and other operty used in plan operation at end of year	2016-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2016-12-31	$0
Did the plan have assets held for investment	2016-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2016-12-31	No
Aggregate proceeds on sale of assets	2016-12-31	$42,277,527
Aggregate carrying amount (costs) on sale of assets	2016-12-31	$41,708,402
Liabilities. Value of acquisition indebtedness at end of year	2016-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2016-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2016-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2016-12-31	Disclaimer
Accountancy firm name	2016-12-31	MOSS ADAMS LLP
Accountancy firm EIN	2016-12-31	910189318
2015 : SYNOPSYS 401(K) PLAN 2015 401k financial data
Unrealized appreciation/depreciation of real estate assets	2015-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2015-12-31	$-2,470,805
Total unrealized appreciation/depreciation of assets	2015-12-31	$-2,470,805
Total transfer of assets to this plan	2015-12-31	$26,801,568
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$177,920
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Expenses. Interest paid	2015-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2015-12-31	$0
Total income from all sources (including contributions)	2015-12-31	$76,130,774
Total loss/gain on sale of assets	2015-12-31	$652,315
Total of all expenses incurred	2015-12-31	$46,913,241
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$46,892,120
Expenses. Certain deemed distributions of participant loans	2015-12-31	$0
Value of total corrective distributions	2015-12-31	$60,272
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$72,055,479
Value of total assets at end of year	2015-12-31	$981,478,390
Value of total assets at beginning of year	2015-12-31	$925,281,369
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$-39,151
Total income from rents	2015-12-31	$0
Total interest from all sources	2015-12-31	$347,807
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$34,937,270
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2015-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2015-12-31	$34,364,823
Assets. Real estate other than employer real property at end of year	2015-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2015-12-31	$0
Administrative expenses professional fees incurred	2015-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2015-12-31	$231,414
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2015-12-31	$210,325
Was this plan covered by a fidelity bond	2015-12-31	Yes
Value of fidelity bond cover	2015-12-31	$500,000
If this is an individual account plan, was there a blackout period	2015-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2015-12-31	No
Contributions received from participants	2015-12-31	$58,041,673
Participant contributions at end of year	2015-12-31	$5,484,602
Participant contributions at beginning of year	2015-12-31	$5,065,833
Participant contributions at end of year	2015-12-31	$83,373
Participant contributions at beginning of year	2015-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2015-12-31	$770,625
Assets. Other investments not covered elsewhere at beginning of year	2015-12-31	$1,025,828
Income. Received or receivable in cash from other sources (including rollovers)	2015-12-31	$4,019,654
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2015-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2015-12-31	$11,880
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2015-12-31	$0
Assets. Loans (other than to participants) at end of year	2015-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2015-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2015-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2015-12-31	$0
Other income not declared elsewhere	2015-12-31	$0
Administrative expenses (other) incurred	2015-12-31	$183,536
Liabilities. Value of operating payables at end of year	2015-12-31	$-96,804
Liabilities. Value of operating payables at beginning of year	2015-12-31	$0
Total non interest bearing cash at end of year	2015-12-31	$10,105
Total non interest bearing cash at beginning of year	2015-12-31	$47,364
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Income. Non cash contributions	2015-12-31	$0
Value of net income/loss	2015-12-31	$29,217,533
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$981,300,470
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$925,281,369
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2015-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2015-12-31	No
Were any leases to which the plan was party in default or uncollectible	2015-12-31	No
Assets. partnership/joint venture interests at end of year	2015-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2015-12-31	$0
Investment advisory and management fees	2015-12-31	$-222,687
Value of interest in registered invesment companies (eg mutual funds) at end of year	2015-12-31	$862,652,210
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$819,462,098
Value of interest in pooled separate accounts at end of year	2015-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2015-12-31	$0
Interest on participant loans	2015-12-31	$236,823
Income. Interest from loans (other than to participants)	2015-12-31	$0
Interest earned on other investments	2015-12-31	$0
Income. Interest from US Government securities	2015-12-31	$1,926
Income. Interest from corporate debt instruments	2015-12-31	$29,658
Value of interest in master investment trust accounts at end of year	2015-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2015-12-31	$0
Value of interest in common/collective trusts at end of year	2015-12-31	$1,377,761
Value of interest in common/collective trusts at beginning of year	2015-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2015-12-31	$81,107,254
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2015-12-31	$73,072,571
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2015-12-31	$73,072,571
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2015-12-31	$79,400
Assets. Value of investments in 103.12 investment entities at end of year	2015-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2015-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2015-12-31	$0
Asset value of US Government securities at end of year	2015-12-31	$72,016
Asset value of US Government securities at beginning of year	2015-12-31	$41,439
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2015-12-31	$-29,401,077
Net investment gain/loss from pooled separate accounts	2015-12-31	$0
Net investment gain or loss from common/collective trusts	2015-12-31	$9,785
Net gain/loss from 103.12 investment entities	2015-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2015-12-31	No
Was there a failure to transmit to the plan any participant contributions	2015-12-31	No
Has the plan failed to provide any benefit when due under the plan	2015-12-31	No
Assets. Invements in employer securities at end of year	2015-12-31	$0
Assets. Invements in employer securities at beginning of year	2015-12-31	$0
Assets. Value of employer real property at end of year	2015-12-31	$0
Assets. Value of employer real property at beginning of year	2015-12-31	$0
Contributions received in cash from employer	2015-12-31	$9,994,152
Employer contributions (assets) at end of year	2015-12-31	$5,134
Employer contributions (assets) at beginning of year	2015-12-31	$0
Income. Dividends from preferred stock	2015-12-31	$6,920
Income. Dividends from common stock	2015-12-31	$565,527
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2015-12-31	$46,892,120
Asset. Corporate debt instrument preferred debt at end of year	2015-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2015-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2015-12-31	$356,223
Asset. Corporate debt instrument debt (other) at beginning of year	2015-12-31	$339,896
Contract administrator fees	2015-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2015-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2015-12-31	$29,315,793
Assets. Corporate common stocks other than exployer securities at beginning of year	2015-12-31	$26,016,015
Liabilities. Value of benefit claims payable at end of year	2015-12-31	$274,724
Liabilities. Value of benefit claims payable at beginning of year	2015-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2015-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2015-12-31	$0
Did the plan have assets held for investment	2015-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2015-12-31	No
Aggregate proceeds on sale of assets	2015-12-31	$58,799,252
Aggregate carrying amount (costs) on sale of assets	2015-12-31	$58,146,937
Liabilities. Value of acquisition indebtedness at end of year	2015-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2015-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2015-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2015-12-31	Disclaimer
Accountancy firm name	2015-12-31	MOSS ADAMS LLP
Accountancy firm EIN	2015-12-31	910189318
2014 : SYNOPSYS 401(K) PLAN 2014 401k financial data
Unrealized appreciation/depreciation of real estate assets	2014-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2014-12-31	$1,576,685
Total unrealized appreciation/depreciation of assets	2014-12-31	$1,576,685
Total transfer of assets to this plan	2014-12-31	$7,916
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Expenses. Interest paid	2014-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2014-12-31	$0
Total income from all sources (including contributions)	2014-12-31	$112,529,223
Total loss/gain on sale of assets	2014-12-31	$251,076
Total of all expenses incurred	2014-12-31	$30,205,556
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$30,188,542
Expenses. Certain deemed distributions of participant loans	2014-12-31	$0
Value of total corrective distributions	2014-12-31	$33,441
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$58,802,263
Value of total assets at end of year	2014-12-31	$925,281,369
Value of total assets at beginning of year	2014-12-31	$842,949,786
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$-16,427
Total income from rents	2014-12-31	$0
Total interest from all sources	2014-12-31	$273,535
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$40,710,821
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2014-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2014-12-31	$40,312,753
Assets. Real estate other than employer real property at end of year	2014-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2014-12-31	$0
Administrative expenses professional fees incurred	2014-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2014-12-31	$210,325
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2014-12-31	$300,071
Was this plan covered by a fidelity bond	2014-12-31	Yes
Value of fidelity bond cover	2014-12-31	$500,000
If this is an individual account plan, was there a blackout period	2014-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2014-12-31	No
Contributions received from participants	2014-12-31	$49,628,727
Participant contributions at end of year	2014-12-31	$5,065,833
Participant contributions at beginning of year	2014-12-31	$4,997,901
Participant contributions at end of year	2014-12-31	$0
Participant contributions at beginning of year	2014-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2014-12-31	$1,025,828
Assets. Other investments not covered elsewhere at beginning of year	2014-12-31	$721,638
Income. Received or receivable in cash from other sources (including rollovers)	2014-12-31	$4,451,378
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2014-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2014-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2014-12-31	$0
Assets. Loans (other than to participants) at end of year	2014-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2014-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2014-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2014-12-31	$0
Other income not declared elsewhere	2014-12-31	$0
Administrative expenses (other) incurred	2014-12-31	$-64,372
Liabilities. Value of operating payables at end of year	2014-12-31	$0
Liabilities. Value of operating payables at beginning of year	2014-12-31	$0
Total non interest bearing cash at end of year	2014-12-31	$47,364
Total non interest bearing cash at beginning of year	2014-12-31	$25,261
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Income. Non cash contributions	2014-12-31	$0
Value of net income/loss	2014-12-31	$82,323,667
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$925,281,369
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$842,949,786
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2014-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2014-12-31	No
Were any leases to which the plan was party in default or uncollectible	2014-12-31	No
Assets. partnership/joint venture interests at end of year	2014-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2014-12-31	$0
Investment advisory and management fees	2014-12-31	$47,945
Value of interest in registered invesment companies (eg mutual funds) at end of year	2014-12-31	$819,462,098
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$747,894,101
Value of interest in pooled separate accounts at end of year	2014-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2014-12-31	$0
Interest on participant loans	2014-12-31	$215,097
Income. Interest from loans (other than to participants)	2014-12-31	$0
Interest earned on other investments	2014-12-31	$0
Income. Interest from US Government securities	2014-12-31	$978
Income. Interest from corporate debt instruments	2014-12-31	$25,306
Value of interest in master investment trust accounts at end of year	2014-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2014-12-31	$0
Value of interest in common/collective trusts at end of year	2014-12-31	$0
Value of interest in common/collective trusts at beginning of year	2014-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2014-12-31	$73,072,571
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2014-12-31	$70,987,264
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2014-12-31	$70,987,264
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2014-12-31	$32,154
Assets. Value of investments in 103.12 investment entities at end of year	2014-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2014-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2014-12-31	$0
Asset value of US Government securities at end of year	2014-12-31	$41,439
Asset value of US Government securities at beginning of year	2014-12-31	$38,735
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2014-12-31	$10,914,843
Net investment gain/loss from pooled separate accounts	2014-12-31	$0
Net investment gain or loss from common/collective trusts	2014-12-31	$0
Net gain/loss from 103.12 investment entities	2014-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2014-12-31	No
Was there a failure to transmit to the plan any participant contributions	2014-12-31	Yes
Has the plan failed to provide any benefit when due under the plan	2014-12-31	No
Assets. Invements in employer securities at end of year	2014-12-31	$0
Assets. Invements in employer securities at beginning of year	2014-12-31	$0
Assets. Value of employer real property at end of year	2014-12-31	$0
Assets. Value of employer real property at beginning of year	2014-12-31	$0
Contributions received in cash from employer	2014-12-31	$4,722,158
Employer contributions (assets) at end of year	2014-12-31	$0
Employer contributions (assets) at beginning of year	2014-12-31	$0
Income. Dividends from preferred stock	2014-12-31	$8,063
Income. Dividends from common stock	2014-12-31	$390,005
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2014-12-31	$30,188,542
Asset. Corporate debt instrument preferred debt at end of year	2014-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2014-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2014-12-31	$339,896
Asset. Corporate debt instrument debt (other) at beginning of year	2014-12-31	$189,848
Contract administrator fees	2014-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2014-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2014-12-31	$26,016,015
Assets. Corporate common stocks other than exployer securities at beginning of year	2014-12-31	$17,794,967
Liabilities. Value of benefit claims payable at end of year	2014-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2014-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2014-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2014-12-31	$0
Did the plan have assets held for investment	2014-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2014-12-31	No
Aggregate proceeds on sale of assets	2014-12-31	$42,548,104
Aggregate carrying amount (costs) on sale of assets	2014-12-31	$42,297,028
Liabilities. Value of acquisition indebtedness at end of year	2014-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2014-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2014-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2014-12-31	Disclaimer
Accountancy firm name	2014-12-31	MOSS ADAMS LLP
Accountancy firm EIN	2014-12-31	910189318
2013 : SYNOPSYS 401(K) PLAN 2013 401k financial data
Unrealized appreciation/depreciation of real estate assets	2013-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2013-12-31	$2,599,084
Total unrealized appreciation/depreciation of assets	2013-12-31	$2,599,084
Total transfer of assets to this plan	2013-12-31	$2,260,225
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Expenses. Interest paid	2013-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2013-12-31	$0
Total income from all sources (including contributions)	2013-12-31	$211,939,298
Total loss/gain on sale of assets	2013-12-31	$867,369
Total of all expenses incurred	2013-12-31	$24,861,950
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$24,826,233
Expenses. Certain deemed distributions of participant loans	2013-12-31	$0
Value of total corrective distributions	2013-12-31	$15,627
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$59,124,228
Value of total assets at end of year	2013-12-31	$842,949,786
Value of total assets at beginning of year	2013-12-31	$653,612,213
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$20,090
Total income from rents	2013-12-31	$0
Total interest from all sources	2013-12-31	$311,786
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$33,642,203
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2013-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2013-12-31	$33,397,431
Assets. Real estate other than employer real property at end of year	2013-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2013-12-31	$0
Administrative expenses professional fees incurred	2013-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2013-12-31	$300,071
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2013-12-31	$62,811
Was this plan covered by a fidelity bond	2013-12-31	Yes
Value of fidelity bond cover	2013-12-31	$500,000
If this is an individual account plan, was there a blackout period	2013-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2013-12-31	No
Contributions received from participants	2013-12-31	$46,234,989
Participant contributions at end of year	2013-12-31	$4,997,901
Participant contributions at beginning of year	2013-12-31	$4,882,754
Participant contributions at end of year	2013-12-31	$0
Participant contributions at beginning of year	2013-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2013-12-31	$721,638
Assets. Other investments not covered elsewhere at beginning of year	2013-12-31	$27,728
Income. Received or receivable in cash from other sources (including rollovers)	2013-12-31	$8,331,027
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2013-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2013-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2013-12-31	$0
Assets. Loans (other than to participants) at end of year	2013-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2013-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2013-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2013-12-31	$0
Other income not declared elsewhere	2013-12-31	$0
Administrative expenses (other) incurred	2013-12-31	$-6,073
Liabilities. Value of operating payables at end of year	2013-12-31	$0
Liabilities. Value of operating payables at beginning of year	2013-12-31	$0
Total non interest bearing cash at end of year	2013-12-31	$25,261
Total non interest bearing cash at beginning of year	2013-12-31	$3,027
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Income. Non cash contributions	2013-12-31	$0
Value of net income/loss	2013-12-31	$187,077,348
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$842,949,786
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$653,612,213
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2013-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2013-12-31	No
Were any leases to which the plan was party in default or uncollectible	2013-12-31	No
Assets. partnership/joint venture interests at end of year	2013-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2013-12-31	$0
Investment advisory and management fees	2013-12-31	$26,163
Value of interest in registered invesment companies (eg mutual funds) at end of year	2013-12-31	$747,894,101
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$575,514,753
Value of interest in pooled separate accounts at end of year	2013-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2013-12-31	$0
Interest on participant loans	2013-12-31	$213,099
Income. Interest from loans (other than to participants)	2013-12-31	$0
Interest earned on other investments	2013-12-31	$0
Income. Interest from US Government securities	2013-12-31	$466
Income. Interest from corporate debt instruments	2013-12-31	$16,520
Value of interest in master investment trust accounts at end of year	2013-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2013-12-31	$0
Value of interest in common/collective trusts at end of year	2013-12-31	$0
Value of interest in common/collective trusts at beginning of year	2013-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2013-12-31	$70,987,264
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2013-12-31	$62,901,625
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2013-12-31	$62,901,625
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2013-12-31	$81,701
Assets. Value of investments in 103.12 investment entities at end of year	2013-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2013-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2013-12-31	$0
Asset value of US Government securities at end of year	2013-12-31	$38,735
Asset value of US Government securities at beginning of year	2013-12-31	$18,781
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2013-12-31	$115,394,628
Net investment gain/loss from pooled separate accounts	2013-12-31	$0
Net investment gain or loss from common/collective trusts	2013-12-31	$0
Net gain/loss from 103.12 investment entities	2013-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2013-12-31	No
Was there a failure to transmit to the plan any participant contributions	2013-12-31	No
Has the plan failed to provide any benefit when due under the plan	2013-12-31	No
Assets. Invements in employer securities at end of year	2013-12-31	$0
Assets. Invements in employer securities at beginning of year	2013-12-31	$0
Assets. Value of employer real property at end of year	2013-12-31	$0
Assets. Value of employer real property at beginning of year	2013-12-31	$0
Contributions received in cash from employer	2013-12-31	$4,558,212
Employer contributions (assets) at end of year	2013-12-31	$0
Employer contributions (assets) at beginning of year	2013-12-31	$0
Income. Dividends from preferred stock	2013-12-31	$6,030
Income. Dividends from common stock	2013-12-31	$238,742
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2013-12-31	$24,826,233
Asset. Corporate debt instrument preferred debt at end of year	2013-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2013-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2013-12-31	$189,848
Asset. Corporate debt instrument debt (other) at beginning of year	2013-12-31	$183,528
Contract administrator fees	2013-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2013-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2013-12-31	$17,794,967
Assets. Corporate common stocks other than exployer securities at beginning of year	2013-12-31	$10,017,206
Liabilities. Value of benefit claims payable at end of year	2013-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2013-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2013-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2013-12-31	$0
Did the plan have assets held for investment	2013-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2013-12-31	No
Aggregate proceeds on sale of assets	2013-12-31	$26,464,361
Aggregate carrying amount (costs) on sale of assets	2013-12-31	$25,596,992
Liabilities. Value of acquisition indebtedness at end of year	2013-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2013-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2013-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2013-12-31	Disclaimer
Accountancy firm name	2013-12-31	MOSS ADAMS LLP
Accountancy firm EIN	2013-12-31	910189318
2012 : SYNOPSYS 401(K) PLAN 2012 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2012-12-31	$201,883
Total unrealized appreciation/depreciation of assets	2012-12-31	$201,883
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$5
Total income from all sources (including contributions)	2012-12-31	$130,086,034
Total loss/gain on sale of assets	2012-12-31	$566,350
Total of all expenses incurred	2012-12-31	$22,395,691
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$22,346,603
Value of total corrective distributions	2012-12-31	$2,422
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$57,715,655
Value of total assets at end of year	2012-12-31	$653,612,213
Value of total assets at beginning of year	2012-12-31	$545,921,875
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$46,666
Total interest from all sources	2012-12-31	$374,986
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$17,200,537
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2012-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2012-12-31	$17,037,455
Assets. Corporate prefeered stocks other than exployer securities at end of year	2012-12-31	$62,811
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2012-12-31	$62,663
Was this plan covered by a fidelity bond	2012-12-31	Yes
Value of fidelity bond cover	2012-12-31	$500,000
If this is an individual account plan, was there a blackout period	2012-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2012-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2012-12-31	No
Contributions received from participants	2012-12-31	$42,000,310
Participant contributions at end of year	2012-12-31	$4,882,754
Participant contributions at beginning of year	2012-12-31	$4,409,775
Assets. Other investments not covered elsewhere at end of year	2012-12-31	$27,728
Assets. Other investments not covered elsewhere at beginning of year	2012-12-31	$18,766
Income. Received or receivable in cash from other sources (including rollovers)	2012-12-31	$11,373,904
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2012-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2012-12-31	$5
Administrative expenses (other) incurred	2012-12-31	$43,750
Total non interest bearing cash at end of year	2012-12-31	$3,027
Total non interest bearing cash at beginning of year	2012-12-31	$150,854
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Value of net income/loss	2012-12-31	$107,690,343
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$653,612,213
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$545,921,870
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2012-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2012-12-31	No
Were any leases to which the plan was party in default or uncollectible	2012-12-31	No
Investment advisory and management fees	2012-12-31	$2,916
Value of interest in registered invesment companies (eg mutual funds) at end of year	2012-12-31	$575,514,753
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2012-12-31	$474,871,100
Interest on participant loans	2012-12-31	$209,131
Income. Interest from US Government securities	2012-12-31	$1,300
Income. Interest from corporate debt instruments	2012-12-31	$16,338
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2012-12-31	$62,901,625
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2012-12-31	$59,556,896
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2012-12-31	$59,556,896
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2012-12-31	$148,217
Asset value of US Government securities at end of year	2012-12-31	$18,781
Asset value of US Government securities at beginning of year	2012-12-31	$50,173
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2012-12-31	$54,026,623
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2012-12-31	No
Was there a failure to transmit to the plan any participant contributions	2012-12-31	No
Has the plan failed to provide any benefit when due under the plan	2012-12-31	No
Contributions received in cash from employer	2012-12-31	$4,341,441
Income. Dividends from preferred stock	2012-12-31	$3,017
Income. Dividends from common stock	2012-12-31	$160,065
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2012-12-31	$22,346,603
Asset. Corporate debt instrument debt (other) at end of year	2012-12-31	$183,528
Asset. Corporate debt instrument debt (other) at beginning of year	2012-12-31	$131,698
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2012-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2012-12-31	$10,017,206
Assets. Corporate common stocks other than exployer securities at beginning of year	2012-12-31	$6,669,950
Did the plan have assets held for investment	2012-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2012-12-31	No
Aggregate proceeds on sale of assets	2012-12-31	$19,893,137
Aggregate carrying amount (costs) on sale of assets	2012-12-31	$19,326,787
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2012-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2012-12-31	Disclaimer
Accountancy firm name	2012-12-31	MOSS ADAMS LLP
Accountancy firm EIN	2012-12-31	910189318
2011 : SYNOPSYS 401(K) PLAN 2011 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2011-12-31	$-779,057
Total unrealized appreciation/depreciation of assets	2011-12-31	$-779,057
Total transfer of assets to this plan	2011-12-31	$90,798
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$5
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$0
Total income from all sources (including contributions)	2011-12-31	$39,886,195
Total loss/gain on sale of assets	2011-12-31	$15,414
Total of all expenses incurred	2011-12-31	$20,230,597
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2011-12-31	$20,199,769
Value of total corrective distributions	2011-12-31	$17,663
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2011-12-31	$49,110,253
Value of total assets at end of year	2011-12-31	$545,921,875
Value of total assets at beginning of year	2011-12-31	$526,175,474
Total of administrative expenses incurred including professional, contract, advisory and management fees	2011-12-31	$13,165
Total interest from all sources	2011-12-31	$234,645
Total dividends received (eg from common stock, registered investment company shares)	2011-12-31	$14,975,803
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2011-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2011-12-31	$14,856,336
Assets. Corporate prefeered stocks other than exployer securities at end of year	2011-12-31	$62,663
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2011-12-31	$61,615
Was this plan covered by a fidelity bond	2011-12-31	Yes
Value of fidelity bond cover	2011-12-31	$500,000
If this is an individual account plan, was there a blackout period	2011-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2011-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2011-12-31	No
Contributions received from participants	2011-12-31	$37,921,037
Participant contributions at end of year	2011-12-31	$4,409,775
Participant contributions at beginning of year	2011-12-31	$4,132,294
Assets. Other investments not covered elsewhere at end of year	2011-12-31	$18,766
Assets. Other investments not covered elsewhere at beginning of year	2011-12-31	$216,984
Income. Received or receivable in cash from other sources (including rollovers)	2011-12-31	$7,161,215
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2011-12-31	$5
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2011-12-31	$0
Administrative expenses (other) incurred	2011-12-31	$13,165
Total non interest bearing cash at end of year	2011-12-31	$150,854
Total non interest bearing cash at beginning of year	2011-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Value of net income/loss	2011-12-31	$19,655,598
Value of net assets at end of year (total assets less liabilities)	2011-12-31	$545,921,870
Value of net assets at beginning of year (total assets less liabilities)	2011-12-31	$526,175,474
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2011-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2011-12-31	No
Were any leases to which the plan was party in default or uncollectible	2011-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2011-12-31	$474,871,100
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2011-12-31	$463,929,294
Interest on participant loans	2011-12-31	$205,858
Income. Interest from US Government securities	2011-12-31	$2,100
Income. Interest from corporate debt instruments	2011-12-31	$8,903
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2011-12-31	$59,556,896
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2011-12-31	$51,857,437
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2011-12-31	$51,857,437
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2011-12-31	$17,784
Asset value of US Government securities at end of year	2011-12-31	$50,173
Asset value of US Government securities at beginning of year	2011-12-31	$37,053
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2011-12-31	$-23,670,863
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2011-12-31	No
Was there a failure to transmit to the plan any participant contributions	2011-12-31	No
Has the plan failed to provide any benefit when due under the plan	2011-12-31	No
Contributions received in cash from employer	2011-12-31	$4,028,001
Income. Dividends from preferred stock	2011-12-31	$3,722
Income. Dividends from common stock	2011-12-31	$115,745
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2011-12-31	$20,199,769
Asset. Corporate debt instrument debt (other) at end of year	2011-12-31	$131,698
Asset. Corporate debt instrument debt (other) at beginning of year	2011-12-31	$69,586
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2011-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2011-12-31	$6,669,950
Assets. Corporate common stocks other than exployer securities at beginning of year	2011-12-31	$5,871,211
Did the plan have assets held for investment	2011-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2011-12-31	No
Aggregate proceeds on sale of assets	2011-12-31	$22,789,670
Aggregate carrying amount (costs) on sale of assets	2011-12-31	$22,774,256
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2011-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2011-12-31	Disclaimer
Accountancy firm name	2011-12-31	MOHLER NIXON & WILLIAMS
Accountancy firm EIN	2011-12-31	770106234
2010 : SYNOPSYS 401(K) PLAN 2010 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2010-12-31	$509,298
Total unrealized appreciation/depreciation of assets	2010-12-31	$509,298
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$26
Total income from all sources (including contributions)	2010-12-31	$108,757,301
Total loss/gain on sale of assets	2010-12-31	$75,401
Total of all expenses incurred	2010-12-31	$18,238,956
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2010-12-31	$18,219,593
Value of total corrective distributions	2010-12-31	$3,444
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2010-12-31	$44,413,609
Value of total assets at end of year	2010-12-31	$526,175,474
Value of total assets at beginning of year	2010-12-31	$435,657,155
Total of administrative expenses incurred including professional, contract, advisory and management fees	2010-12-31	$15,919
Total interest from all sources	2010-12-31	$238,233
Total dividends received (eg from common stock, registered investment company shares)	2010-12-31	$6,546,072
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2010-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2010-12-31	$6,469,429
Assets. Corporate prefeered stocks other than exployer securities at end of year	2010-12-31	$61,615
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2010-12-31	$40,579
Was this plan covered by a fidelity bond	2010-12-31	Yes
Value of fidelity bond cover	2010-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2010-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2010-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2010-12-31	No
Contributions received from participants	2010-12-31	$35,251,521
Participant contributions at end of year	2010-12-31	$4,132,294
Participant contributions at beginning of year	2010-12-31	$3,579,424
Assets. Other investments not covered elsewhere at end of year	2010-12-31	$216,984
Assets. Other investments not covered elsewhere at beginning of year	2010-12-31	$152,824
Income. Received or receivable in cash from other sources (including rollovers)	2010-12-31	$5,303,711
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2010-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2010-12-31	$26
Administrative expenses (other) incurred	2010-12-31	$15,919
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Value of net income/loss	2010-12-31	$90,518,345
Value of net assets at end of year (total assets less liabilities)	2010-12-31	$526,175,474
Value of net assets at beginning of year (total assets less liabilities)	2010-12-31	$435,657,129
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2010-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2010-12-31	No
Were any leases to which the plan was party in default or uncollectible	2010-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2010-12-31	$463,929,294
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2010-12-31	$380,459,646
Interest on participant loans	2010-12-31	$202,646
Income. Interest from US Government securities	2010-12-31	$1,149
Income. Interest from corporate debt instruments	2010-12-31	$1,503
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2010-12-31	$51,857,437
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2010-12-31	$49,343,186
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2010-12-31	$49,343,186
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2010-12-31	$32,935
Asset value of US Government securities at end of year	2010-12-31	$37,053
Asset value of US Government securities at beginning of year	2010-12-31	$6,810
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2010-12-31	$56,974,688
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2010-12-31	No
Was there a failure to transmit to the plan any participant contributions	2010-12-31	No
Has the plan failed to provide any benefit when due under the plan	2010-12-31	No
Contributions received in cash from employer	2010-12-31	$3,858,377
Income. Dividends from preferred stock	2010-12-31	$4,065
Income. Dividends from common stock	2010-12-31	$72,578
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2010-12-31	$18,219,593
Asset. Corporate debt instrument debt (other) at end of year	2010-12-31	$69,586
Asset. Corporate debt instrument debt (other) at beginning of year	2010-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2010-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2010-12-31	$5,871,211
Assets. Corporate common stocks other than exployer securities at beginning of year	2010-12-31	$2,074,686
Did the plan have assets held for investment	2010-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2010-12-31	No
Aggregate proceeds on sale of assets	2010-12-31	$13,241,324
Aggregate carrying amount (costs) on sale of assets	2010-12-31	$13,165,923
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2010-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2010-12-31	Disclaimer
Accountancy firm name	2010-12-31	MOHLER NIXON WILLIAMS
Accountancy firm EIN	2010-12-31	770106234

Form 5500 Responses for SYNOPSYS 401(K) PLAN

2023: SYNOPSYS 401(K) PLAN 2023 form 5500 responses
2023-01-01	Type of plan entity	Single employer plan
2023-01-01	This submission is the final filing	No
2023-01-01	Plan is a collectively bargained plan	No
2023-01-01	Plan funding arrangement – Trust	Yes
2023-01-01	Plan benefit arrangement - Trust	Yes
2022: SYNOPSYS 401(K) PLAN 2022 form 5500 responses
2022-01-01	Type of plan entity	Single employer plan
2022-01-01	Submission has been amended	No
2022-01-01	This submission is the final filing	No
2022-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2022-01-01	Plan is a collectively bargained plan	No
2022-01-01	Plan funding arrangement – Trust	Yes
2022-01-01	Plan benefit arrangement - Trust	Yes
2021: SYNOPSYS 401(K) PLAN 2021 form 5500 responses
2021-01-01	Type of plan entity	Single employer plan
2021-01-01	Submission has been amended	No
2021-01-01	This submission is the final filing	No
2021-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2021-01-01	Plan is a collectively bargained plan	No
2021-01-01	Plan funding arrangement – Trust	Yes
2021-01-01	Plan benefit arrangement - Trust	Yes
2020: SYNOPSYS 401(K) PLAN 2020 form 5500 responses
2020-01-01	Type of plan entity	Mulitple employer plan
2020-01-01	This submission is the final filing	No
2020-01-01	Plan is a collectively bargained plan	No
2020-01-01	Plan funding arrangement – Trust	Yes
2020-01-01	Plan benefit arrangement - Trust	Yes
2019: SYNOPSYS 401(K) PLAN 2019 form 5500 responses
2019-01-01	Type of plan entity	Mulitple employer plan
2019-01-01	Submission has been amended	No
2019-01-01	This submission is the final filing	No
2019-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2019-01-01	Plan is a collectively bargained plan	No
2019-01-01	Plan funding arrangement – Trust	Yes
2019-01-01	Plan benefit arrangement - Trust	Yes
2018: SYNOPSYS 401(K) PLAN 2018 form 5500 responses
2018-01-01	Type of plan entity	Single employer plan
2018-01-01	Submission has been amended	No
2018-01-01	This submission is the final filing	No
2018-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2018-01-01	Plan is a collectively bargained plan	No
2018-01-01	Plan funding arrangement – Trust	Yes
2018-01-01	Plan benefit arrangement - Trust	Yes
2017: SYNOPSYS 401(K) PLAN 2017 form 5500 responses
2017-01-01	Type of plan entity	Single employer plan
2017-01-01	Submission has been amended	No
2017-01-01	This submission is the final filing	No
2017-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2017-01-01	Plan is a collectively bargained plan	No
2017-01-01	Plan funding arrangement – Trust	Yes
2017-01-01	Plan benefit arrangement - Trust	Yes
2016: SYNOPSYS 401(K) PLAN 2016 form 5500 responses
2016-01-01	Type of plan entity	Single employer plan
2016-01-01	Submission has been amended	No
2016-01-01	This submission is the final filing	No
2016-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2016-01-01	Plan is a collectively bargained plan	No
2016-01-01	Plan funding arrangement – Trust	Yes
2016-01-01	Plan benefit arrangement - Trust	Yes
2015: SYNOPSYS 401(K) PLAN 2015 form 5500 responses
2015-01-01	Type of plan entity	Single employer plan
2015-01-01	Submission has been amended	No
2015-01-01	This submission is the final filing	No
2015-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2015-01-01	Plan is a collectively bargained plan	No
2015-01-01	Plan funding arrangement – Trust	Yes
2015-01-01	Plan benefit arrangement - Trust	Yes
2014: SYNOPSYS 401(K) PLAN 2014 form 5500 responses
2014-01-01	Type of plan entity	Single employer plan
2014-01-01	Submission has been amended	No
2014-01-01	This submission is the final filing	No
2014-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2014-01-01	Plan is a collectively bargained plan	No
2014-01-01	Plan funding arrangement – Trust	Yes
2014-01-01	Plan benefit arrangement - Trust	Yes
2013: SYNOPSYS 401(K) PLAN 2013 form 5500 responses
2013-01-01	Type of plan entity	Single employer plan
2013-01-01	Submission has been amended	No
2013-01-01	This submission is the final filing	No
2013-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2013-01-01	Plan is a collectively bargained plan	No
2013-01-01	Plan funding arrangement – Trust	Yes
2013-01-01	Plan benefit arrangement - Trust	Yes
2012: SYNOPSYS 401(K) PLAN 2012 form 5500 responses
2012-01-01	Type of plan entity	Single employer plan
2012-01-01	Submission has been amended	No
2012-01-01	This submission is the final filing	No
2012-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2012-01-01	Plan funding arrangement – Trust	Yes
2012-01-01	Plan benefit arrangement - Trust	Yes
2011: SYNOPSYS 401(K) PLAN 2011 form 5500 responses
2011-01-01	Type of plan entity	Single employer plan
2011-01-01	Submission has been amended	No
2011-01-01	This submission is the final filing	No
2011-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2011-01-01	Plan funding arrangement – Trust	Yes
2011-01-01	Plan benefit arrangement - Trust	Yes
2009: SYNOPSYS 401(K) PLAN 2009 form 5500 responses
2009-01-01	Type of plan entity	Single employer plan
2009-01-01	Submission has been amended	No
2009-01-01	This submission is the final filing	No
2009-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2009-01-01	Plan funding arrangement – Trust	Yes
2009-01-01	Plan benefit arrangement - Trust	Yes