401k Plan data: CDW COWORKERS' PROFIT SHARING PLAN TRUST plan

CDW COWORKERS' PROFIT SHARING PLAN TRUST 401k Plan overview

Plan Name	CDW COWORKERS' PROFIT SHARING PLAN TRUST
Plan identification number	001

CDW COWORKERS' PROFIT SHARING PLAN TRUST 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) is (are) a member(s) of a controlled group (Code sections 414(b), (c), or (m)).

401k Sponsoring company profile

CDW LLC has sponsored the creation of one or more 401k plans.

Company Name: CDW LLC

Employer identification number (EIN): 363310735

NAIC Classification: 454110
NAIC Description: Electronic Shopping and Mail-Order Houses

Form 5500 Filing Information

Submission information for form 5500 for 401k plan CDW COWORKERS' PROFIT SHARING PLAN TRUST

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
001 2022-01-01
001 2021-01-01
001 2020-01-01
001 2019-01-01
001 2018-01-01
001 2017-01-01 ROBERT WELYKI
001 2016-01-01 ROBERT WELYKI
001 2015-01-01 ROBERT WELYKI
001 2014-01-01 ROBERT WELYKI
001 2013-01-01 ROBERT WELYKI ROBERT WELYKI 2014-10-08
001 2012-01-01 ROBERT WELYKI
001 2011-01-01 ROBERT WELYKI
001 2009-01-01 ROBERT WELYKI

Plan Statistics for CDW COWORKERS' PROFIT SHARING PLAN TRUST

401k plan membership statisitcs for CDW COWORKERS' PROFIT SHARING PLAN TRUST

Measure Date Value
2022: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2022 401k membership
Total participants, beginning-of-year 2022-01-01 10,338
Total number of active participants reported on line 7a of the Form 5500 2022-01-01 11,738
Number of retired or separated participants receiving benefits 2022-01-01 13
Number of other retired or separated participants entitled to future benefits 2022-01-01 1,957
Total of all active and inactive participants 2022-01-01 13,708
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2022-01-01 8
Total participants 2022-01-01 13,716
Number of participants with account balances 2022-01-01 12,508
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2022-01-01 411
2021: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2021 401k membership
Total participants, beginning-of-year 2021-01-01 9,183
Total number of active participants reported on line 7a of the Form 5500 2021-01-01 8,605
Number of retired or separated participants receiving benefits 2021-01-01 12
Number of other retired or separated participants entitled to future benefits 2021-01-01 1,711
Total of all active and inactive participants 2021-01-01 10,328
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2021-01-01 10
Total participants 2021-01-01 10,338
Number of participants with account balances 2021-01-01 9,708
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2021-01-01 380
2020: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2020 401k membership
Total participants, beginning-of-year 2020-01-01 8,913
Total number of active participants reported on line 7a of the Form 5500 2020-01-01 7,640
Number of retired or separated participants receiving benefits 2020-01-01 7
Number of other retired or separated participants entitled to future benefits 2020-01-01 1,527
Total of all active and inactive participants 2020-01-01 9,174
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2020-01-01 9
Total participants 2020-01-01 9,183
Number of participants with account balances 2020-01-01 8,786
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2020-01-01 297
2019: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2019 401k membership
Total participants, beginning-of-year 2019-01-01 8,519
Total number of active participants reported on line 7a of the Form 5500 2019-01-01 7,447
Number of retired or separated participants receiving benefits 2019-01-01 12
Number of other retired or separated participants entitled to future benefits 2019-01-01 1,445
Total of all active and inactive participants 2019-01-01 8,904
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2019-01-01 9
Total participants 2019-01-01 8,913
Number of participants with account balances 2019-01-01 8,490
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2019-01-01 320
2018: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2018 401k membership
Total participants, beginning-of-year 2018-01-01 8,306
Total number of active participants reported on line 7a of the Form 5500 2018-01-01 7,144
Number of retired or separated participants receiving benefits 2018-01-01 13
Number of other retired or separated participants entitled to future benefits 2018-01-01 1,354
Total of all active and inactive participants 2018-01-01 8,511
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2018-01-01 8
Total participants 2018-01-01 8,519
Number of participants with account balances 2018-01-01 8,139
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2018-01-01 382
2017: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2017 401k membership
Total participants, beginning-of-year 2017-01-01 8,027
Total number of active participants reported on line 7a of the Form 5500 2017-01-01 7,065
Number of retired or separated participants receiving benefits 2017-01-01 10
Number of other retired or separated participants entitled to future benefits 2017-01-01 1,225
Total of all active and inactive participants 2017-01-01 8,300
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2017-01-01 6
Total participants 2017-01-01 8,306
Number of participants with account balances 2017-01-01 7,909
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2017-01-01 340
2016: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2016 401k membership
Total participants, beginning-of-year 2016-01-01 8,031
Total number of active participants reported on line 7a of the Form 5500 2016-01-01 6,927
Number of retired or separated participants receiving benefits 2016-01-01 7
Number of other retired or separated participants entitled to future benefits 2016-01-01 1,086
Total of all active and inactive participants 2016-01-01 8,020
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2016-01-01 7
Total participants 2016-01-01 8,027
Number of participants with account balances 2016-01-01 7,663
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2016-01-01 386
2015: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2015 401k membership
Total participants, beginning-of-year 2015-01-01 7,777
Total number of active participants reported on line 7a of the Form 5500 2015-01-01 6,928
Number of retired or separated participants receiving benefits 2015-01-01 5
Number of other retired or separated participants entitled to future benefits 2015-01-01 1,089
Total of all active and inactive participants 2015-01-01 8,022
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2015-01-01 9
Total participants 2015-01-01 8,031
Number of participants with account balances 2015-01-01 7,446
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2015-01-01 419
2014: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2014 401k membership
Total participants, beginning-of-year 2014-01-01 7,452
Total number of active participants reported on line 7a of the Form 5500 2014-01-01 6,749
Number of retired or separated participants receiving benefits 2014-01-01 5
Number of other retired or separated participants entitled to future benefits 2014-01-01 1,015
Total of all active and inactive participants 2014-01-01 7,769
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2014-01-01 8
Total participants 2014-01-01 7,777
Number of participants with account balances 2014-01-01 7,264
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2014-01-01 402
2013: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2013 401k membership
Total participants, beginning-of-year 2013-01-01 7,286
Total number of active participants reported on line 7a of the Form 5500 2013-01-01 6,484
Number of retired or separated participants receiving benefits 2013-01-01 4
Number of other retired or separated participants entitled to future benefits 2013-01-01 955
Total of all active and inactive participants 2013-01-01 7,443
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2013-01-01 9
Total participants 2013-01-01 7,452
Number of participants with account balances 2013-01-01 6,993
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2013-01-01 393
2012: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2012 401k membership
Total participants, beginning-of-year 2012-01-01 7,300
Total number of active participants reported on line 7a of the Form 5500 2012-01-01 6,371
Number of retired or separated participants receiving benefits 2012-01-01 6
Number of other retired or separated participants entitled to future benefits 2012-01-01 902
Total of all active and inactive participants 2012-01-01 7,279
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2012-01-01 7
Total participants 2012-01-01 7,286
Number of participants with account balances 2012-01-01 6,865
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2012-01-01 160
2011: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2011 401k membership
Total participants, beginning-of-year 2011-01-01 6,876
Total number of active participants reported on line 7a of the Form 5500 2011-01-01 6,387
Number of retired or separated participants receiving benefits 2011-01-01 4
Number of other retired or separated participants entitled to future benefits 2011-01-01 899
Total of all active and inactive participants 2011-01-01 7,290
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2011-01-01 10
Total participants 2011-01-01 7,300
Number of participants with account balances 2011-01-01 6,595
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2011-01-01 133
2009: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2009 401k membership
Total participants, beginning-of-year 2009-01-01 7,639
Total number of active participants reported on line 7a of the Form 5500 2009-01-01 5,894
Number of retired or separated participants receiving benefits 2009-01-01 5
Number of other retired or separated participants entitled to future benefits 2009-01-01 1,030
Total of all active and inactive participants 2009-01-01 6,929
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2009-01-01 9
Total participants 2009-01-01 6,938
Number of participants with account balances 2009-01-01 6,016
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2009-01-01 185

Measure	Date	Value
2022: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2022 401k membership
Total participants, beginning-of-year	2022-01-01	10,338
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	11,738
Number of retired or separated participants receiving benefits	2022-01-01	13
Number of other retired or separated participants entitled to future benefits	2022-01-01	1,957
Total of all active and inactive participants	2022-01-01	13,708
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2022-01-01	8
Total participants	2022-01-01	13,716
Number of participants with account balances	2022-01-01	12,508
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2022-01-01	411
2021: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2021 401k membership
Total participants, beginning-of-year	2021-01-01	9,183
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	8,605
Number of retired or separated participants receiving benefits	2021-01-01	12
Number of other retired or separated participants entitled to future benefits	2021-01-01	1,711
Total of all active and inactive participants	2021-01-01	10,328
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2021-01-01	10
Total participants	2021-01-01	10,338
Number of participants with account balances	2021-01-01	9,708
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2021-01-01	380
2020: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2020 401k membership
Total participants, beginning-of-year	2020-01-01	8,913
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	7,640
Number of retired or separated participants receiving benefits	2020-01-01	7
Number of other retired or separated participants entitled to future benefits	2020-01-01	1,527
Total of all active and inactive participants	2020-01-01	9,174
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	9
Total participants	2020-01-01	9,183
Number of participants with account balances	2020-01-01	8,786
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2020-01-01	297
2019: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2019 401k membership
Total participants, beginning-of-year	2019-01-01	8,519
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	7,447
Number of retired or separated participants receiving benefits	2019-01-01	12
Number of other retired or separated participants entitled to future benefits	2019-01-01	1,445
Total of all active and inactive participants	2019-01-01	8,904
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	9
Total participants	2019-01-01	8,913
Number of participants with account balances	2019-01-01	8,490
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	320
2018: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2018 401k membership
Total participants, beginning-of-year	2018-01-01	8,306
Total number of active participants reported on line 7a of the Form 5500	2018-01-01	7,144
Number of retired or separated participants receiving benefits	2018-01-01	13
Number of other retired or separated participants entitled to future benefits	2018-01-01	1,354
Total of all active and inactive participants	2018-01-01	8,511
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2018-01-01	8
Total participants	2018-01-01	8,519
Number of participants with account balances	2018-01-01	8,139
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2018-01-01	382
2017: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2017 401k membership
Total participants, beginning-of-year	2017-01-01	8,027
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	7,065
Number of retired or separated participants receiving benefits	2017-01-01	10
Number of other retired or separated participants entitled to future benefits	2017-01-01	1,225
Total of all active and inactive participants	2017-01-01	8,300
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	6
Total participants	2017-01-01	8,306
Number of participants with account balances	2017-01-01	7,909
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	340
2016: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2016 401k membership
Total participants, beginning-of-year	2016-01-01	8,031
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	6,927
Number of retired or separated participants receiving benefits	2016-01-01	7
Number of other retired or separated participants entitled to future benefits	2016-01-01	1,086
Total of all active and inactive participants	2016-01-01	8,020
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	7
Total participants	2016-01-01	8,027
Number of participants with account balances	2016-01-01	7,663
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	386
2015: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2015 401k membership
Total participants, beginning-of-year	2015-01-01	7,777
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	6,928
Number of retired or separated participants receiving benefits	2015-01-01	5
Number of other retired or separated participants entitled to future benefits	2015-01-01	1,089
Total of all active and inactive participants	2015-01-01	8,022
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	9
Total participants	2015-01-01	8,031
Number of participants with account balances	2015-01-01	7,446
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	419
2014: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2014 401k membership
Total participants, beginning-of-year	2014-01-01	7,452
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	6,749
Number of retired or separated participants receiving benefits	2014-01-01	5
Number of other retired or separated participants entitled to future benefits	2014-01-01	1,015
Total of all active and inactive participants	2014-01-01	7,769
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	8
Total participants	2014-01-01	7,777
Number of participants with account balances	2014-01-01	7,264
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	402
2013: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2013 401k membership
Total participants, beginning-of-year	2013-01-01	7,286
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	6,484
Number of retired or separated participants receiving benefits	2013-01-01	4
Number of other retired or separated participants entitled to future benefits	2013-01-01	955
Total of all active and inactive participants	2013-01-01	7,443
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	9
Total participants	2013-01-01	7,452
Number of participants with account balances	2013-01-01	6,993
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	393
2012: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2012 401k membership
Total participants, beginning-of-year	2012-01-01	7,300
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	6,371
Number of retired or separated participants receiving benefits	2012-01-01	6
Number of other retired or separated participants entitled to future benefits	2012-01-01	902
Total of all active and inactive participants	2012-01-01	7,279
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	7
Total participants	2012-01-01	7,286
Number of participants with account balances	2012-01-01	6,865
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	160
2011: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2011 401k membership
Total participants, beginning-of-year	2011-01-01	6,876
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	6,387
Number of retired or separated participants receiving benefits	2011-01-01	4
Number of other retired or separated participants entitled to future benefits	2011-01-01	899
Total of all active and inactive participants	2011-01-01	7,290
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	10
Total participants	2011-01-01	7,300
Number of participants with account balances	2011-01-01	6,595
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	133
2009: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2009 401k membership
Total participants, beginning-of-year	2009-01-01	7,639
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	5,894
Number of retired or separated participants receiving benefits	2009-01-01	5
Number of other retired or separated participants entitled to future benefits	2009-01-01	1,030
Total of all active and inactive participants	2009-01-01	6,929
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	9
Total participants	2009-01-01	6,938
Number of participants with account balances	2009-01-01	6,016
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	185

Financial Data on CDW COWORKERS' PROFIT SHARING PLAN TRUST

Measure	Date	Value
2022 : CDW COWORKERS' PROFIT SHARING PLAN TRUST 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	$-7,664,544
Total unrealized appreciation/depreciation of assets	2022-12-31	$-7,664,544
Total transfer of assets to this plan	2022-12-31	$4,651,482
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	$34
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$22
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	$19,387,855
Total loss/gain on sale of assets	2022-12-31	$-6,428,071
Total of all expenses incurred	2022-12-31	$96,705,346
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$95,996,755
Expenses. Certain deemed distributions of participant loans	2022-12-31	$6,012
Value of total corrective distributions	2022-12-31	$41,086
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$339,624,025
Value of total assets at end of year	2022-12-31	$1,593,242,973
Value of total assets at beginning of year	2022-12-31	$1,665,908,970
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$661,493
Total income from rents	2022-12-31	$0
Total interest from all sources	2022-12-31	$1,312,848
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$3,466,919
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	$3,251,730
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	$28,679
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2022-12-31	$2,625
Was this plan covered by a fidelity bond	2022-12-31	Yes
Value of fidelity bond cover	2022-12-31	$10,000,000
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	$117,356,602
Participant contributions at end of year	2022-12-31	$21,314,549
Participant contributions at beginning of year	2022-12-31	$17,382,724
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	$38,212
Assets. Other investments not covered elsewhere at beginning of year	2022-12-31	$85,012
Income. Received or receivable in cash from other sources (including rollovers)	2022-12-31	$181,418,187
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	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2022-12-31	$0
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	$34
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2022-12-31	$22
Other income not declared elsewhere	2022-12-31	$21,954
Administrative expenses (other) incurred	2022-12-31	$661,493
Liabilities. Value of operating payables at end of year	2022-12-31	$0
Liabilities. Value of operating payables at beginning of year	2022-12-31	$0
Total non interest bearing cash at end of year	2022-12-31	$66,000
Total non interest bearing cash at beginning of year	2022-12-31	$964,763
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	$-77,317,491
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$1,593,242,939
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$1,665,908,948
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2022-12-31	$156,274,460
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-12-31	$360,623,856
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	$997,796
Income. Interest from loans (other than to participants)	2022-12-31	$0
Interest earned on other investments	2022-12-31	$-47,550
Income. Interest from US Government securities	2022-12-31	$325
Income. Interest from corporate debt instruments	2022-12-31	$6,745
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	$1,328,737,318
Value of interest in common/collective trusts at beginning of year	2022-12-31	$1,193,013,790
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2022-12-31	$26,661,072
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2022-12-31	$21,286,756
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2022-12-31	$21,286,756
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2022-12-31	$355,532
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	$215,937
Asset value of US Government securities at beginning of year	2022-12-31	$6,297
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2022-12-31	$-55,435,987
Net investment gain/loss from pooled separate accounts	2022-12-31	$0
Net investment gain or loss from common/collective trusts	2022-12-31	$-255,509,289
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	No
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	$40,849,236
Employer contributions (assets) at end of year	2022-12-31	$40,849,236
Employer contributions (assets) at beginning of year	2022-12-31	$41,644,000
Income. Dividends from preferred stock	2022-12-31	$1,361
Income. Dividends from common stock	2022-12-31	$213,828
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2022-12-31	$95,996,755
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	$162,549
Asset. Corporate debt instrument debt (other) at beginning of year	2022-12-31	$118,104
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	$18,894,961
Assets. Corporate common stocks other than exployer securities at beginning of year	2022-12-31	$30,781,043
Liabilities. Value of benefit claims payable at end of year	2022-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2022-12-31	$0
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	$24,379,516
Aggregate carrying amount (costs) on sale of assets	2022-12-31	$30,807,587
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	ERNST & YOUNG LLP
Accountancy firm EIN	2022-12-31	346565596
2021 : CDW COWORKERS' PROFIT SHARING PLAN TRUST 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	$448,242
Total unrealized appreciation/depreciation of assets	2021-12-31	$448,242
Total transfer of assets to this plan	2021-12-31	$2,445,733
Total transfer of assets from this plan	2021-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$22
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$55
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	$365,653,188
Total loss/gain on sale of assets	2021-12-31	$2,057,439
Total of all expenses incurred	2021-12-31	$88,713,997
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$88,083,069
Expenses. Certain deemed distributions of participant loans	2021-12-31	$44,545
Value of total corrective distributions	2021-12-31	$25,874
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$134,991,100
Value of total assets at end of year	2021-12-31	$1,665,908,970
Value of total assets at beginning of year	2021-12-31	$1,386,524,079
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$560,509
Total income from rents	2021-12-31	$0
Total interest from all sources	2021-12-31	$919,138
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$14,577,076
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	$14,413,555
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	$2,625
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2021-12-31	$2,529
Was this plan covered by a fidelity bond	2021-12-31	Yes
Value of fidelity bond cover	2021-12-31	$10,000,000
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	$80,425,736
Participant contributions at end of year	2021-12-31	$17,382,724
Participant contributions at beginning of year	2021-12-31	$17,351,329
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	$85,012
Assets. Other investments not covered elsewhere at beginning of year	2021-12-31	$92,007
Income. Received or receivable in cash from other sources (including rollovers)	2021-12-31	$12,921,364
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	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2021-12-31	$0
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	$22
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2021-12-31	$55
Other income not declared elsewhere	2021-12-31	$2
Administrative expenses (other) incurred	2021-12-31	$560,509
Liabilities. Value of operating payables at end of year	2021-12-31	$0
Liabilities. Value of operating payables at beginning of year	2021-12-31	$0
Total non interest bearing cash at end of year	2021-12-31	$964,763
Total non interest bearing cash at beginning of year	2021-12-31	$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	2021-12-31	No
Income. Non cash contributions	2021-12-31	$0
Value of net income/loss	2021-12-31	$276,939,191
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$1,665,908,948
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$1,386,524,024
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2021-12-31	$360,623,856
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2021-12-31	$326,720,401
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	$898,553
Income. Interest from loans (other than to participants)	2021-12-31	$0
Interest earned on other investments	2021-12-31	$102
Income. Interest from US Government securities	2021-12-31	$21
Income. Interest from corporate debt instruments	2021-12-31	$6,115
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	$1,193,013,790
Value of interest in common/collective trusts at beginning of year	2021-12-31	$972,432,028
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2021-12-31	$21,286,756
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2021-12-31	$23,609,124
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2021-12-31	$23,609,124
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2021-12-31	$14,347
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	$6,297
Asset value of US Government securities at beginning of year	2021-12-31	$6,014
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2021-12-31	$38,590,515
Net investment gain/loss from pooled separate accounts	2021-12-31	$0
Net investment gain or loss from common/collective trusts	2021-12-31	$174,069,676
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	$41,644,000
Employer contributions (assets) at end of year	2021-12-31	$41,644,000
Employer contributions (assets) at beginning of year	2021-12-31	$24,024,000
Income. Dividends from preferred stock	2021-12-31	$10
Income. Dividends from common stock	2021-12-31	$163,511
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2021-12-31	$88,083,069
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	$118,104
Asset. Corporate debt instrument debt (other) at beginning of year	2021-12-31	$91,247
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	$30,781,043
Assets. Corporate common stocks other than exployer securities at beginning of year	2021-12-31	$22,195,400
Liabilities. Value of benefit claims payable at end of year	2021-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2021-12-31	$0
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	$57,966,347
Aggregate carrying amount (costs) on sale of assets	2021-12-31	$55,908,908
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	ERNST & YOUNG LLP
Accountancy firm EIN	2021-12-31	346565596
2020 : CDW COWORKERS' PROFIT SHARING PLAN TRUST 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	$5,274,985
Total unrealized appreciation/depreciation of assets	2020-12-31	$5,274,985
Total transfer of assets to this plan	2020-12-31	$0
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	$55
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$28
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	$294,382,605
Total loss/gain on sale of assets	2020-12-31	$3,418,182
Total of all expenses incurred	2020-12-31	$67,717,282
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$67,081,109
Expenses. Certain deemed distributions of participant loans	2020-12-31	$2,565
Value of total corrective distributions	2020-12-31	$23,405
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$100,824,489
Value of total assets at end of year	2020-12-31	$1,386,524,079
Value of total assets at beginning of year	2020-12-31	$1,159,858,729
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$610,203
Total income from rents	2020-12-31	$0
Total interest from all sources	2020-12-31	$1,049,567
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$7,582,373
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	$7,473,066
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	$2,529
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2020-12-31	$3,554
Was this plan covered by a fidelity bond	2020-12-31	Yes
Value of fidelity bond cover	2020-12-31	$10,000,000
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	$70,853,452
Participant contributions at end of year	2020-12-31	$17,351,329
Participant contributions at beginning of year	2020-12-31	$18,425,685
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	$92,007
Assets. Other investments not covered elsewhere at beginning of year	2020-12-31	$39,664
Income. Received or receivable in cash from other sources (including rollovers)	2020-12-31	$5,947,037
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	$0
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	$55
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2020-12-31	$28
Other income not declared elsewhere	2020-12-31	$80,047
Administrative expenses (other) incurred	2020-12-31	$610,203
Liabilities. Value of operating payables at end of year	2020-12-31	$0
Liabilities. Value of operating payables at beginning of year	2020-12-31	$0
Total non interest bearing cash at end of year	2020-12-31	$0
Total non interest bearing cash at beginning of year	2020-12-31	$49,205
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	$226,665,323
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$1,386,524,024
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$1,159,858,701
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2020-12-31	$326,720,401
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-12-31	$335,984,470
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	$985,170
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	$20
Income. Interest from corporate debt instruments	2020-12-31	$3,433
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	$972,432,028
Value of interest in common/collective trusts at beginning of year	2020-12-31	$743,291,983
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2020-12-31	$23,609,124
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2020-12-31	$14,436,928
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2020-12-31	$14,436,928
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2020-12-31	$60,944
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	$6,014
Asset value of US Government securities at beginning of year	2020-12-31	$5,407
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2020-12-31	$40,867,286
Net investment gain/loss from pooled separate accounts	2020-12-31	$0
Net investment gain or loss from common/collective trusts	2020-12-31	$135,285,676
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	$24,024,000
Employer contributions (assets) at end of year	2020-12-31	$24,024,000
Employer contributions (assets) at beginning of year	2020-12-31	$35,271,000
Income. Dividends from preferred stock	2020-12-31	$0
Income. Dividends from common stock	2020-12-31	$109,307
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2020-12-31	$67,081,109
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	$91,247
Asset. Corporate debt instrument debt (other) at beginning of year	2020-12-31	$62,589
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	$22,195,400
Assets. Corporate common stocks other than exployer securities at beginning of year	2020-12-31	$12,288,244
Liabilities. Value of benefit claims payable at end of year	2020-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2020-12-31	$0
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	$82,972,344
Aggregate carrying amount (costs) on sale of assets	2020-12-31	$79,554,162
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	Disclaimer
Accountancy firm name	2020-12-31	ERNST & YOUNG LLP
Accountancy firm EIN	2020-12-31	346565596
2019 : CDW COWORKERS' PROFIT SHARING PLAN TRUST 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	$1,591,090
Total unrealized appreciation/depreciation of assets	2019-12-31	$1,591,090
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	$28
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$88
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	$320,604,009
Total loss/gain on sale of assets	2019-12-31	$936,153
Total of all expenses incurred	2019-12-31	$50,929,826
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$50,305,624
Expenses. Certain deemed distributions of participant loans	2019-12-31	$41,670
Value of total corrective distributions	2019-12-31	$10,706
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$105,615,127
Value of total assets at end of year	2019-12-31	$1,159,858,729
Value of total assets at beginning of year	2019-12-31	$890,184,606
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$571,826
Total income from rents	2019-12-31	$0
Total interest from all sources	2019-12-31	$1,168,652
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$8,903,427
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	$8,799,545
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	$3,554
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2019-12-31	$2,073
Was this plan covered by a fidelity bond	2019-12-31	Yes
Value of fidelity bond cover	2019-12-31	$10,000,000
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	$64,704,821
Participant contributions at end of year	2019-12-31	$18,425,685
Participant contributions at beginning of year	2019-12-31	$17,417,375
Participant contributions at end of year	2019-12-31	$0
Participant contributions at beginning of year	2019-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2019-12-31	$39,664
Assets. Other investments not covered elsewhere at beginning of year	2019-12-31	$7,126
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$5,639,306
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	$28
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2019-12-31	$88
Other income not declared elsewhere	2019-12-31	$196,731
Administrative expenses (other) incurred	2019-12-31	$571,826
Liabilities. Value of operating payables at end of year	2019-12-31	$0
Liabilities. Value of operating payables at beginning of year	2019-12-31	$0
Total non interest bearing cash at end of year	2019-12-31	$49,205
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	$269,674,183
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$1,159,858,701
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$890,184,518
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$335,984,470
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$291,659,973
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	$975,432
Income. Interest from loans (other than to participants)	2019-12-31	$0
Interest earned on other investments	2019-12-31	$-33,978
Income. Interest from US Government securities	2019-12-31	$20
Income. Interest from corporate debt instruments	2019-12-31	$2,980
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	$743,291,983
Value of interest in common/collective trusts at beginning of year	2019-12-31	$528,386,162
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2019-12-31	$14,436,928
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2019-12-31	$11,416,619
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2019-12-31	$11,416,619
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2019-12-31	$224,198
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	$5,407
Asset value of US Government securities at beginning of year	2019-12-31	$4,972
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$70,553,657
Net investment gain/loss from pooled separate accounts	2019-12-31	$0
Net investment gain or loss from common/collective trusts	2019-12-31	$131,639,172
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	No
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	$35,271,000
Employer contributions (assets) at end of year	2019-12-31	$35,271,000
Employer contributions (assets) at beginning of year	2019-12-31	$32,000,000
Income. Dividends from preferred stock	2019-12-31	$0
Income. Dividends from common stock	2019-12-31	$103,882
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$50,305,624
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	$62,589
Asset. Corporate debt instrument debt (other) at beginning of year	2019-12-31	$37,097
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	$12,288,244
Assets. Corporate common stocks other than exployer securities at beginning of year	2019-12-31	$9,253,209
Liabilities. Value of benefit claims payable at end of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2019-12-31	$0
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	$14,146,508
Aggregate carrying amount (costs) on sale of assets	2019-12-31	$13,210,355
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	ERNST & YOUNG LLP
Accountancy firm EIN	2019-12-31	346565596
2018 : CDW COWORKERS' PROFIT SHARING PLAN TRUST 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	$-1,595,281
Total unrealized appreciation/depreciation of assets	2018-12-31	$-1,595,281
Total transfer of assets to this plan	2018-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$88
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$23
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	$31,070,726
Total loss/gain on sale of assets	2018-12-31	$726,550
Total of all expenses incurred	2018-12-31	$40,760,698
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$40,167,917
Expenses. Certain deemed distributions of participant loans	2018-12-31	$17,652
Value of total corrective distributions	2018-12-31	$30,592
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$96,926,172
Value of total assets at end of year	2018-12-31	$890,184,606
Value of total assets at beginning of year	2018-12-31	$899,874,513
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$544,537
Total income from rents	2018-12-31	$0
Total interest from all sources	2018-12-31	$967,661
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$22,204,372
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	$22,115,137
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	$2,073
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2018-12-31	$5,160
Was this plan covered by a fidelity bond	2018-12-31	Yes
Value of fidelity bond cover	2018-12-31	$10,000,000
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	$58,762,620
Participant contributions at end of year	2018-12-31	$17,417,375
Participant contributions at beginning of year	2018-12-31	$16,829,160
Participant contributions at end of year	2018-12-31	$0
Participant contributions at beginning of year	2018-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2018-12-31	$7,126
Assets. Other investments not covered elsewhere at beginning of year	2018-12-31	$25,836
Income. Received or receivable in cash from other sources (including rollovers)	2018-12-31	$6,163,552
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	$0
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	$88
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2018-12-31	$23
Other income not declared elsewhere	2018-12-31	$215,518
Administrative expenses (other) incurred	2018-12-31	$544,537
Liabilities. Value of operating payables at end of year	2018-12-31	$0
Liabilities. Value of operating payables at beginning of year	2018-12-31	$0
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	$14,189
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	$-9,689,972
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$890,184,518
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$899,874,490
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2018-12-31	$291,659,973
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$307,948,537
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	$852,758
Income. Interest from loans (other than to participants)	2018-12-31	$0
Interest earned on other investments	2018-12-31	$-34,271
Income. Interest from US Government securities	2018-12-31	$1,019
Income. Interest from corporate debt instruments	2018-12-31	$2,153
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	$528,386,162
Value of interest in common/collective trusts at beginning of year	2018-12-31	$540,929,562
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2018-12-31	$11,416,619
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2018-12-31	$8,047,146
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2018-12-31	$8,047,146
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2018-12-31	$146,002
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	$4,972
Asset value of US Government securities at beginning of year	2018-12-31	$40,818
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2018-12-31	$-47,581,921
Net investment gain/loss from pooled separate accounts	2018-12-31	$0
Net investment gain or loss from common/collective trusts	2018-12-31	$-40,792,345
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	No
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	$32,000,000
Employer contributions (assets) at end of year	2018-12-31	$32,000,000
Employer contributions (assets) at beginning of year	2018-12-31	$18,374,000
Income. Dividends from preferred stock	2018-12-31	$0
Income. Dividends from common stock	2018-12-31	$89,235
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2018-12-31	$40,167,917
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	$37,097
Asset. Corporate debt instrument debt (other) at beginning of year	2018-12-31	$35,167
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	$9,253,209
Assets. Corporate common stocks other than exployer securities at beginning of year	2018-12-31	$7,624,938
Liabilities. Value of benefit claims payable at end of year	2018-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2018-12-31	$0
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	$14,106,128
Aggregate carrying amount (costs) on sale of assets	2018-12-31	$13,379,578
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	ERNST & YOUNG LLP
Accountancy firm EIN	2018-12-31	346565596
2017 : CDW COWORKERS' PROFIT SHARING PLAN TRUST 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	$1,401,466
Total unrealized appreciation/depreciation of assets	2017-12-31	$1,401,466
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	$23
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$53
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	$219,111,322
Total loss/gain on sale of assets	2017-12-31	$119,574
Total of all expenses incurred	2017-12-31	$35,627,416
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$35,030,506
Expenses. Certain deemed distributions of participant loans	2017-12-31	$20,878
Value of total corrective distributions	2017-12-31	$713
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$76,821,967
Value of total assets at end of year	2017-12-31	$899,874,513
Value of total assets at beginning of year	2017-12-31	$716,390,637
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$575,319
Total income from rents	2017-12-31	$0
Total interest from all sources	2017-12-31	$780,983
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$14,956,269
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	$14,891,167
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	$5,160
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2017-12-31	$0
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$10,000,000
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	$54,256,408
Participant contributions at end of year	2017-12-31	$16,829,160
Participant contributions at beginning of year	2017-12-31	$16,189,006
Participant contributions at end of year	2017-12-31	$0
Participant contributions at beginning of year	2017-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2017-12-31	$25,836
Assets. Other investments not covered elsewhere at beginning of year	2017-12-31	$7,282
Income. Received or receivable in cash from other sources (including rollovers)	2017-12-31	$4,191,559
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	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2017-12-31	$0
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	$23
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2017-12-31	$53
Other income not declared elsewhere	2017-12-31	$647,467
Administrative expenses (other) incurred	2017-12-31	$575,319
Liabilities. Value of operating payables at end of year	2017-12-31	$0
Liabilities. Value of operating payables at beginning of year	2017-12-31	$0
Total non interest bearing cash at end of year	2017-12-31	$14,189
Total non interest bearing cash at beginning of year	2017-12-31	$14,578
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	$183,483,906
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$899,874,490
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$716,390,584
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$307,948,537
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$640,175,445
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	$731,397
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	$1,009
Income. Interest from corporate debt instruments	2017-12-31	$1,448
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	$540,929,562
Value of interest in common/collective trusts at beginning of year	2017-12-31	$21,018,444
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2017-12-31	$8,047,146
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2017-12-31	$8,506,192
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2017-12-31	$8,506,192
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2017-12-31	$47,129
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	$40,818
Asset value of US Government securities at beginning of year	2017-12-31	$33,596
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2017-12-31	$100,644,004
Net investment gain/loss from pooled separate accounts	2017-12-31	$0
Net investment gain or loss from common/collective trusts	2017-12-31	$23,739,592
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	No
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	$18,374,000
Employer contributions (assets) at end of year	2017-12-31	$18,374,000
Employer contributions (assets) at beginning of year	2017-12-31	$21,900,000
Income. Dividends from preferred stock	2017-12-31	$38
Income. Dividends from common stock	2017-12-31	$65,064
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$35,030,506
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	$35,167
Asset. Corporate debt instrument debt (other) at beginning of year	2017-12-31	$30,329
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	$7,624,938
Assets. Corporate common stocks other than exployer securities at beginning of year	2017-12-31	$8,515,765
Liabilities. Value of benefit claims payable at end of year	2017-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2017-12-31	$0
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	$6,420,574
Aggregate carrying amount (costs) on sale of assets	2017-12-31	$6,301,000
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	ERNST & YOUNG LLP
Accountancy firm EIN	2017-12-31	346565596
2016 : CDW COWORKERS' PROFIT SHARING PLAN TRUST 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	$270,787
Total unrealized appreciation/depreciation of assets	2016-12-31	$270,787
Total transfer of assets to this plan	2016-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$53
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$0
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	$120,145,576
Total loss/gain on sale of assets	2016-12-31	$-71,848
Total of all expenses incurred	2016-12-31	$35,043,157
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$34,450,756
Expenses. Certain deemed distributions of participant loans	2016-12-31	$46,783
Value of total corrective distributions	2016-12-31	$2,390
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$74,962,211
Value of total assets at end of year	2016-12-31	$716,390,637
Value of total assets at beginning of year	2016-12-31	$631,288,165
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$543,228
Total income from rents	2016-12-31	$0
Total interest from all sources	2016-12-31	$682,743
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$21,074,015
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	$20,938,289
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	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2016-12-31	$0
Was this plan covered by a fidelity bond	2016-12-31	Yes
Value of fidelity bond cover	2016-12-31	$10,000,000
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	$50,221,288
Participant contributions at end of year	2016-12-31	$16,189,006
Participant contributions at beginning of year	2016-12-31	$15,895,283
Participant contributions at end of year	2016-12-31	$0
Participant contributions at beginning of year	2016-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2016-12-31	$7,282
Assets. Other investments not covered elsewhere at beginning of year	2016-12-31	$15,707
Income. Received or receivable in cash from other sources (including rollovers)	2016-12-31	$2,840,923
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	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2016-12-31	$0
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	$53
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	$611,923
Administrative expenses (other) incurred	2016-12-31	$543,228
Liabilities. Value of operating payables at end of year	2016-12-31	$0
Liabilities. Value of operating payables at beginning of year	2016-12-31	$0
Total non interest bearing cash at end of year	2016-12-31	$14,578
Total non interest bearing cash at beginning of year	2016-12-31	$9,767
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	$85,102,419
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$716,390,584
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$631,288,165
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2016-12-31	$640,175,445
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$564,179,618
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	$673,825
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	$750
Income. Interest from corporate debt instruments	2016-12-31	$1,448
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	$21,018,444
Value of interest in common/collective trusts at beginning of year	2016-12-31	$19,365,868
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2016-12-31	$8,506,192
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2016-12-31	$5,646,311
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2016-12-31	$5,646,311
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2016-12-31	$6,720
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	$33,596
Asset value of US Government securities at beginning of year	2016-12-31	$16,060
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2016-12-31	$22,342,287
Net investment gain/loss from pooled separate accounts	2016-12-31	$0
Net investment gain or loss from common/collective trusts	2016-12-31	$273,458
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	No
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	$21,900,000
Employer contributions (assets) at end of year	2016-12-31	$21,900,000
Employer contributions (assets) at beginning of year	2016-12-31	$18,915,999
Income. Dividends from preferred stock	2016-12-31	$0
Income. Dividends from common stock	2016-12-31	$135,726
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2016-12-31	$34,450,756
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	$30,329
Asset. Corporate debt instrument debt (other) at beginning of year	2016-12-31	$9,371
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	$8,515,765
Assets. Corporate common stocks other than exployer securities at beginning of year	2016-12-31	$7,234,181
Liabilities. Value of benefit claims payable at end of year	2016-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2016-12-31	$0
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	$9,884,166
Aggregate carrying amount (costs) on sale of assets	2016-12-31	$9,956,014
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	ERNST & YOUNG LLP
Accountancy firm EIN	2016-12-31	346565596
2015 : CDW COWORKERS' PROFIT SHARING PLAN TRUST 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	$-649,108
Total unrealized appreciation/depreciation of assets	2015-12-31	$-649,108
Total transfer of assets to this plan	2015-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$10
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	$67,308,031
Total loss/gain on sale of assets	2015-12-31	$-133,758
Total of all expenses incurred	2015-12-31	$32,695,034
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$32,636,183
Expenses. Certain deemed distributions of participant loans	2015-12-31	$42,655
Value of total corrective distributions	2015-12-31	$1,135
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$70,787,161
Value of total assets at end of year	2015-12-31	$631,288,165
Value of total assets at beginning of year	2015-12-31	$596,675,178
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$15,061
Total income from rents	2015-12-31	$0
Total interest from all sources	2015-12-31	$631,555
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$24,582,980
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	$24,469,098
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	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2015-12-31	$0
Was this plan covered by a fidelity bond	2015-12-31	Yes
Value of fidelity bond cover	2015-12-31	$10,000,000
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	$48,323,732
Participant contributions at end of year	2015-12-31	$15,895,283
Participant contributions at beginning of year	2015-12-31	$14,785,097
Participant contributions at end of year	2015-12-31	$0
Participant contributions at beginning of year	2015-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2015-12-31	$15,707
Assets. Other investments not covered elsewhere at beginning of year	2015-12-31	$-192
Income. Received or receivable in cash from other sources (including rollovers)	2015-12-31	$3,547,430
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	$0
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	$10
Other income not declared elsewhere	2015-12-31	$0
Administrative expenses (other) incurred	2015-12-31	$15,061
Liabilities. Value of operating payables at end of year	2015-12-31	$0
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	$9,767
Total non interest bearing cash at beginning of year	2015-12-31	$105,598
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	$34,612,997
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$631,288,165
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$596,675,168
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2015-12-31	$564,179,618
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$531,827,851
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	$629,578
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	$500
Income. Interest from corporate debt instruments	2015-12-31	$659
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	$19,365,868
Value of interest in common/collective trusts at beginning of year	2015-12-31	$19,196,964
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2015-12-31	$5,646,311
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2015-12-31	$3,761,197
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2015-12-31	$3,761,197
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2015-12-31	$818
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	$16,060
Asset value of US Government securities at beginning of year	2015-12-31	$16,774
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2015-12-31	$-28,128,225
Net investment gain/loss from pooled separate accounts	2015-12-31	$0
Net investment gain or loss from common/collective trusts	2015-12-31	$217,426
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	$18,915,999
Employer contributions (assets) at end of year	2015-12-31	$18,915,999
Employer contributions (assets) at beginning of year	2015-12-31	$21,519,002
Income. Dividends from preferred stock	2015-12-31	$0
Income. Dividends from common stock	2015-12-31	$113,882
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2015-12-31	$32,636,183
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	$9,371
Asset. Corporate debt instrument debt (other) at beginning of year	2015-12-31	$5,625
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	$7,234,181
Assets. Corporate common stocks other than exployer securities at beginning of year	2015-12-31	$5,457,262
Liabilities. Value of benefit claims payable at end of year	2015-12-31	$0
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	$9,443,391
Aggregate carrying amount (costs) on sale of assets	2015-12-31	$9,577,149
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	ERNST & YOUNG LLP
Accountancy firm EIN	2015-12-31	346565596
2014 : CDW COWORKERS' PROFIT SHARING PLAN TRUST 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	$-10,536
Total unrealized appreciation/depreciation of assets	2014-12-31	$-10,536
Total transfer of assets to this plan	2014-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$10
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	$102,851,162
Total loss/gain on sale of assets	2014-12-31	$-181,323
Total of all expenses incurred	2014-12-31	$28,674,199
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$28,737,877
Expenses. Certain deemed distributions of participant loans	2014-12-31	$11,231
Value of total corrective distributions	2014-12-31	$7,835
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$68,426,167
Value of total assets at end of year	2014-12-31	$596,675,178
Value of total assets at beginning of year	2014-12-31	$522,498,205
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$-82,744
Total income from rents	2014-12-31	$0
Total interest from all sources	2014-12-31	$559,030
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$32,970,487
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	$32,889,667
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	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2014-12-31	$0
Was this plan covered by a fidelity bond	2014-12-31	Yes
Value of fidelity bond cover	2014-12-31	$10,000,000
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	$43,625,844
Participant contributions at end of year	2014-12-31	$14,785,097
Participant contributions at beginning of year	2014-12-31	$13,069,118
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	$-192
Assets. Other investments not covered elsewhere at beginning of year	2014-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2014-12-31	$3,281,321
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	$10
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	$-82,744
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	$105,598
Total non interest bearing cash at beginning of year	2014-12-31	$110,000
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	$74,176,963
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$596,675,168
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$522,498,205
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2014-12-31	$531,827,851
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$467,107,890
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	$557,530
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	$500
Income. Interest from corporate debt instruments	2014-12-31	$665
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	$19,196,964
Value of interest in common/collective trusts at beginning of year	2014-12-31	$18,906,349
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2014-12-31	$3,761,197
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2014-12-31	$3,490,544
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2014-12-31	$3,490,544
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2014-12-31	$335
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	$16,774
Asset value of US Government securities at beginning of year	2014-12-31	$13,422
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2014-12-31	$906,155
Net investment gain/loss from pooled separate accounts	2014-12-31	$0
Net investment gain or loss from common/collective trusts	2014-12-31	$181,182
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	No
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	$21,519,002
Employer contributions (assets) at end of year	2014-12-31	$21,519,002
Employer contributions (assets) at beginning of year	2014-12-31	$17,100,000
Income. Dividends from preferred stock	2014-12-31	$0
Income. Dividends from common stock	2014-12-31	$80,820
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2014-12-31	$28,737,877
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	$5,625
Asset. Corporate debt instrument debt (other) at beginning of year	2014-12-31	$7,925
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	$5,457,262
Assets. Corporate common stocks other than exployer securities at beginning of year	2014-12-31	$2,692,957
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	$7,425,481
Aggregate carrying amount (costs) on sale of assets	2014-12-31	$7,606,804
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	ERNST & YOUNG LLP
Accountancy firm EIN	2014-12-31	346565596
2013 : CDW COWORKERS' PROFIT SHARING PLAN TRUST 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	$75,299
Total unrealized appreciation/depreciation of assets	2013-12-31	$75,299
Total transfer of assets to this plan	2013-12-31	$0
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	$148,412,582
Total loss/gain on sale of assets	2013-12-31	$-95,579
Total of all expenses incurred	2013-12-31	$23,255,381
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$23,517,706
Expenses. Certain deemed distributions of participant loans	2013-12-31	$19,537
Value of total corrective distributions	2013-12-31	$15,297
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$59,997,301
Value of total assets at end of year	2013-12-31	$522,498,205
Value of total assets at beginning of year	2013-12-31	$397,341,004
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$-297,159
Total income from rents	2013-12-31	$0
Total interest from all sources	2013-12-31	$515,527
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$21,929,480
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	$21,899,840
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	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2013-12-31	$0
Was this plan covered by a fidelity bond	2013-12-31	Yes
Value of fidelity bond cover	2013-12-31	$10,000,000
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	$40,144,896
Participant contributions at end of year	2013-12-31	$13,069,118
Participant contributions at beginning of year	2013-12-31	$11,983,122
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	$0
Assets. Other investments not covered elsewhere at beginning of year	2013-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2013-12-31	$2,749,030
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	$-297,159
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	$110,000
Total non interest bearing cash at beginning of year	2013-12-31	$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	2013-12-31	No
Income. Non cash contributions	2013-12-31	$0
Value of net income/loss	2013-12-31	$125,157,201
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$522,498,205
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$397,341,004
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2013-12-31	$467,107,890
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$348,930,172
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	$514,870
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	$200
Income. Interest from corporate debt instruments	2013-12-31	$175
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	$18,906,349
Value of interest in common/collective trusts at beginning of year	2013-12-31	$20,362,733
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2013-12-31	$3,490,544
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2013-12-31	$846,512
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2013-12-31	$846,512
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2013-12-31	$282
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	$13,422
Asset value of US Government securities at beginning of year	2013-12-31	$6,922
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2013-12-31	$66,112,121
Net investment gain/loss from pooled separate accounts	2013-12-31	$0
Net investment gain or loss from common/collective trusts	2013-12-31	$-121,567
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	$17,103,375
Employer contributions (assets) at end of year	2013-12-31	$17,100,000
Employer contributions (assets) at beginning of year	2013-12-31	$14,336,627
Income. Dividends from preferred stock	2013-12-31	$0
Income. Dividends from common stock	2013-12-31	$29,640
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2013-12-31	$23,517,706
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	$7,925
Asset. Corporate debt instrument debt (other) at beginning of year	2013-12-31	$0
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	$2,692,957
Assets. Corporate common stocks other than exployer securities at beginning of year	2013-12-31	$874,916
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	$3,920,913
Aggregate carrying amount (costs) on sale of assets	2013-12-31	$4,016,492
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	ERNST & YOUNG LLP
Accountancy firm EIN	2013-12-31	346565596
2012 : CDW COWORKERS' PROFIT SHARING PLAN TRUST 2012 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2012-12-31	$-74,169
Total unrealized appreciation/depreciation of assets	2012-12-31	$-74,169
Total income from all sources (including contributions)	2012-12-31	$95,412,340
Total loss/gain on sale of assets	2012-12-31	$-158,847
Total of all expenses incurred	2012-12-31	$16,251,362
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$16,110,620
Expenses. Certain deemed distributions of participant loans	2012-12-31	$8,976
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$53,629,089
Value of total assets at end of year	2012-12-31	$397,341,004
Value of total assets at beginning of year	2012-12-31	$318,180,026
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$131,766
Total interest from all sources	2012-12-31	$474,046
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$11,133,226
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	$11,123,194
Was this plan covered by a fidelity bond	2012-12-31	Yes
Value of fidelity bond cover	2012-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2012-12-31	No
Aggregate amount of withdrawal liability assessed or estimated to be assessed against such withdrawn employers	2012-12-31	0
Minimum employer required contribution for this plan year	2012-12-31	$0
Amount contributed by the employer to the plan for this plan year	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	$36,760,498
Participant contributions at end of year	2012-12-31	$11,983,122
Participant contributions at beginning of year	2012-12-31	$10,508,080
Income. Received or receivable in cash from other sources (including rollovers)	2012-12-31	$2,532,279
Administrative expenses (other) incurred	2012-12-31	$131,766
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	$79,160,978
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$397,341,004
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$318,180,026
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2012-12-31	$348,930,172
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2012-12-31	$272,347,251
Interest on participant loans	2012-12-31	$473,839
Interest earned on other investments	2012-12-31	$63
Value of interest in common/collective trusts at end of year	2012-12-31	$20,362,733
Value of interest in common/collective trusts at beginning of year	2012-12-31	$19,392,394
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2012-12-31	$846,512
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2012-12-31	$627,539
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2012-12-31	$627,539
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2012-12-31	$144
Asset value of US Government securities at end of year	2012-12-31	$6,922
Asset value of US Government securities at beginning of year	2012-12-31	$2,095
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2012-12-31	$30,063,664
Net investment gain or loss from common/collective trusts	2012-12-31	$345,331
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	$14,336,312
Employer contributions (assets) at end of year	2012-12-31	$14,336,627
Employer contributions (assets) at beginning of year	2012-12-31	$15,237,764
Income. Dividends from common stock	2012-12-31	$10,032
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2012-12-31	$16,110,620
Assets. Corporate common stocks other than exployer securities at end of year	2012-12-31	$874,916
Assets. Corporate common stocks other than exployer securities at beginning of year	2012-12-31	$64,903
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	$2,199,412
Aggregate carrying amount (costs) on sale of assets	2012-12-31	$2,358,259
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	ERNST & YOUNG LLP
Accountancy firm EIN	2012-12-31	346565596
2011 : CDW COWORKERS' PROFIT SHARING PLAN TRUST 2011 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2011-12-31	$3,289
Total unrealized appreciation/depreciation of assets	2011-12-31	$3,289
Total income from all sources (including contributions)	2011-12-31	$40,926,160
Total loss/gain on sale of assets	2011-12-31	$6,130
Total of all expenses incurred	2011-12-31	$15,081,211
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2011-12-31	$14,970,257
Expenses. Certain deemed distributions of participant loans	2011-12-31	$31,106
Value of total corrective distributions	2011-12-31	$1,149
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2011-12-31	$49,831,668
Value of total assets at end of year	2011-12-31	$318,180,026
Value of total assets at beginning of year	2011-12-31	$292,335,077
Total of administrative expenses incurred including professional, contract, advisory and management fees	2011-12-31	$78,699
Total interest from all sources	2011-12-31	$449,249
Total dividends received (eg from common stock, registered investment company shares)	2011-12-31	$8,587,893
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	$8,587,436
Was this plan covered by a fidelity bond	2011-12-31	Yes
Value of fidelity bond cover	2011-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2011-12-31	No
Minimum employer required contribution for this plan year	2011-12-31	$0
Amount contributed by the employer to the plan for this plan year	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	$32,517,533
Participant contributions at end of year	2011-12-31	$10,508,080
Participant contributions at beginning of year	2011-12-31	$9,538,210
Income. Received or receivable in cash from other sources (including rollovers)	2011-12-31	$2,073,604
Administrative expenses (other) incurred	2011-12-31	$78,699
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	$25,844,949
Value of net assets at end of year (total assets less liabilities)	2011-12-31	$318,180,026
Value of net assets at beginning of year (total assets less liabilities)	2011-12-31	$292,335,077
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	$272,347,251
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2011-12-31	$256,507,926
Interest on participant loans	2011-12-31	$449,168
Value of interest in common/collective trusts at end of year	2011-12-31	$19,392,394
Value of interest in common/collective trusts at beginning of year	2011-12-31	$15,835,721
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2011-12-31	$627,539
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2011-12-31	$516,742
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2011-12-31	$516,742
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2011-12-31	$81
Asset value of US Government securities at end of year	2011-12-31	$2,095
Asset value of US Government securities at beginning of year	2011-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2011-12-31	$-18,528,187
Net investment gain or loss from common/collective trusts	2011-12-31	$576,118
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	$15,240,531
Employer contributions (assets) at end of year	2011-12-31	$15,237,764
Employer contributions (assets) at beginning of year	2011-12-31	$9,936,478
Income. Dividends from common stock	2011-12-31	$457
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2011-12-31	$14,970,257
Assets. Corporate common stocks other than exployer securities at end of year	2011-12-31	$64,903
Assets. Corporate common stocks other than exployer securities at beginning of year	2011-12-31	$0
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	$419,830
Aggregate carrying amount (costs) on sale of assets	2011-12-31	$413,700
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	ERNST & YOUNG LLP
Accountancy firm EIN	2011-12-31	346565596
2010 : CDW COWORKERS' PROFIT SHARING PLAN TRUST 2010 401k financial data
Total income from all sources (including contributions)	2010-12-31	$72,744,426
Total of all expenses incurred	2010-12-31	$20,909,391
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2010-12-31	$20,793,162
Expenses. Certain deemed distributions of participant loans	2010-12-31	$41,200
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2010-12-31	$40,663,239
Value of total assets at end of year	2010-12-31	$292,335,077
Value of total assets at beginning of year	2010-12-31	$240,500,042
Total of administrative expenses incurred including professional, contract, advisory and management fees	2010-12-31	$75,029
Total interest from all sources	2010-12-31	$467,844
Total dividends received (eg from common stock, registered investment company shares)	2010-12-31	$5,532,219
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	$5,532,219
Was this plan covered by a fidelity bond	2010-12-31	Yes
Value of fidelity bond cover	2010-12-31	$10,000,000
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	$30,725,788
Participant contributions at end of year	2010-12-31	$9,538,210
Participant contributions at beginning of year	2010-12-31	$8,649,325
Administrative expenses (other) incurred	2010-12-31	$75,029
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	$51,835,035
Value of net assets at end of year (total assets less liabilities)	2010-12-31	$292,335,077
Value of net assets at beginning of year (total assets less liabilities)	2010-12-31	$240,500,042
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	$256,507,926
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2010-12-31	$210,019,116
Interest on participant loans	2010-12-31	$467,531
Value of interest in common/collective trusts at end of year	2010-12-31	$15,835,721
Value of interest in common/collective trusts at beginning of year	2010-12-31	$14,599,828
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2010-12-31	$516,742
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2010-12-31	$886,773
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2010-12-31	$886,773
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2010-12-31	$313
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2010-12-31	$25,485,040
Net investment gain or loss from common/collective trusts	2010-12-31	$596,084
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	$9,937,451
Employer contributions (assets) at end of year	2010-12-31	$9,936,478
Employer contributions (assets) at beginning of year	2010-12-31	$6,345,000
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2010-12-31	$20,793,162
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
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	PIRCEWATERHOUSECOOPERS
Accountancy firm EIN	2010-12-31	134008324
2009 : CDW COWORKERS' PROFIT SHARING PLAN TRUST 2009 401k financial data
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2009-12-31	$0

Form 5500 Responses for CDW COWORKERS' PROFIT SHARING PLAN TRUST

2022: CDW COWORKERS' PROFIT SHARING PLAN TRUST 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: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2021 form 5500 responses
2021-01-01	Type of plan entity	Single employer plan
2021-01-01	This submission is the final filing	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: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2020 form 5500 responses
2020-01-01	Type of plan entity	Single employer plan
2020-01-01	Submission has been amended	No
2020-01-01	This submission is the final filing	No
2020-01-01	This return/report is a short plan year return/report (less than 12 months)	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: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2019 form 5500 responses
2019-01-01	Type of plan entity	Single 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: CDW COWORKERS' PROFIT SHARING PLAN TRUST 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: CDW COWORKERS' PROFIT SHARING PLAN TRUST 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: CDW COWORKERS' PROFIT SHARING PLAN TRUST 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: CDW COWORKERS' PROFIT SHARING PLAN TRUST 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: CDW COWORKERS' PROFIT SHARING PLAN TRUST 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: CDW COWORKERS' PROFIT SHARING PLAN TRUST 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: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2012 form 5500 responses
2012-01-01	Type of plan entity	Single employer plan
2012-01-01	Plan funding arrangement – Trust	Yes
2012-01-01	Plan benefit arrangement - Trust	Yes
2011: CDW COWORKERS' PROFIT SHARING PLAN TRUST 2011 form 5500 responses
2011-01-01	Type of plan entity	Single employer plan
2011-01-01	Plan funding arrangement – Trust	Yes
2011-01-01	Plan benefit arrangement - Trust	Yes
2009: CDW COWORKERS' PROFIT SHARING PLAN TRUST 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 is a collectively bargained plan	No
2009-01-01	Plan funding arrangement – Trust	Yes
2009-01-01	Plan benefit arrangement - Trust	Yes

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Company Name:	CDW LLC
Employer identification number (EIN):	363310735
NAIC Classification:	454110
NAIC Description:	Electronic Shopping and Mail-Order Houses