LAM RESEARCH CORPORATION has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan SAVINGS PLUS PLAN, LAM RESEARCH 401(K)
| Measure | Date | Value |
|---|
| 2023 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of real estate assets | 2023-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $205,045,228 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $205,045,228 |
| Total transfer of assets to this plan | 2023-12-31 | $0 |
| Total transfer of assets from this plan | 2023-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $246,494 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $578,134 |
| Expenses. Interest paid | 2023-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2023-12-31 | $0 |
| Total income from all sources (including contributions) | 2023-12-31 | $735,032,685 |
| Total loss/gain on sale of assets | 2023-12-31 | $32,123,098 |
| Total of all expenses incurred | 2023-12-31 | $181,094,659 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-12-31 | $180,537,921 |
| Expenses. Certain deemed distributions of participant loans | 2023-12-31 | $38,602 |
| Value of total corrective distributions | 2023-12-31 | $52,942 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-12-31 | $157,680,902 |
| Value of total assets at end of year | 2023-12-31 | $2,558,825,948 |
| Value of total assets at beginning of year | 2023-12-31 | $2,005,219,562 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $465,194 |
| Total income from rents | 2023-12-31 | $0 |
| Total interest from all sources | 2023-12-31 | $7,517,142 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $24,634,347 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2023-12-31 | $23,723,559 |
| Assets. Real estate other than employer real property at end of year | 2023-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2023-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2023-12-31 | $368,497 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2023-12-31 | $86,607 |
| Was this plan covered by a fidelity bond | 2023-12-31 | Yes |
| Value of fidelity bond cover | 2023-12-31 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2023-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2023-12-31 | No |
| Contributions received from participants | 2023-12-31 | $116,186,936 |
| Participant contributions at end of year | 2023-12-31 | $19,582,551 |
| Participant contributions at beginning of year | 2023-12-31 | $18,873,294 |
| Participant contributions at end of year | 2023-12-31 | $0 |
| Participant contributions at beginning of year | 2023-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2023-12-31 | $-253,696 |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-12-31 | $84,361 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2023-12-31 | $8,277,479 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2023-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $833,832 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $494,124 |
| Assets. Loans (other than to participants) at end of year | 2023-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2023-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $231,492 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $563,113 |
| Other income not declared elsewhere | 2023-12-31 | $0 |
| Administrative expenses (other) incurred | 2023-12-31 | $0 |
| Liabilities. Value of operating payables at end of year | 2023-12-31 | $15,002 |
| Liabilities. Value of operating payables at beginning of year | 2023-12-31 | $15,021 |
| Total non interest bearing cash at end of year | 2023-12-31 | $258,030 |
| Total non interest bearing cash at beginning of year | 2023-12-31 | $202,373 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-12-31 | No |
| Income. Non cash contributions | 2023-12-31 | $0 |
| Value of net income/loss | 2023-12-31 | $553,938,026 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $2,558,579,454 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $2,004,641,428 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2023-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2023-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2023-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2023-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2023-12-31 | $0 |
| Investment advisory and management fees | 2023-12-31 | $120,718 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-12-31 | $769,060,127 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-12-31 | $448,410,829 |
| Value of interest in pooled separate accounts at end of year | 2023-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2023-12-31 | $0 |
| Interest on participant loans | 2023-12-31 | $1,144,018 |
| Income. Interest from loans (other than to participants) | 2023-12-31 | $0 |
| Interest earned on other investments | 2023-12-31 | $5,007,945 |
| Income. Interest from US Government securities | 2023-12-31 | $1,376 |
| Income. Interest from corporate debt instruments | 2023-12-31 | $3,531 |
| Value of interest in master investment trust accounts at end of year | 2023-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2023-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2023-12-31 | $1,069,406,618 |
| Value of interest in common/collective trusts at beginning of year | 2023-12-31 | $1,030,525,042 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $35,332,662 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $29,689,376 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $29,689,376 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $1,360,272 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2023-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2023-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2023-12-31 | $134,696,166 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2023-12-31 | $141,346,652 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2023-12-31 | $0 |
| Asset value of US Government securities at end of year | 2023-12-31 | $1,106,608 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $271,092 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2023-12-31 | $76,357,005 |
| Net investment gain/loss from pooled separate accounts | 2023-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2023-12-31 | $231,674,963 |
| Net gain/loss from 103.12 investment entities | 2023-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2023-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2023-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2023-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2023-12-31 | $410,461,929 |
| Assets. Invements in employer securities at beginning of year | 2023-12-31 | $257,656,018 |
| Assets. Value of employer real property at end of year | 2023-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2023-12-31 | $0 |
| Contributions received in cash from employer | 2023-12-31 | $33,216,487 |
| Employer contributions (assets) at end of year | 2023-12-31 | $5,151,215 |
| Employer contributions (assets) at beginning of year | 2023-12-31 | $6,653,567 |
| Income. Dividends from preferred stock | 2023-12-31 | $21,754 |
| Income. Dividends from common stock | 2023-12-31 | $889,034 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2023-12-31 | $180,537,921 |
| Asset. Corporate debt instrument preferred debt at end of year | 2023-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2023-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2023-12-31 | $430,972 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-12-31 | $3,954 |
| Contract administrator fees | 2023-12-31 | $1,800 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-12-31 | $112,390,437 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-12-31 | $70,922,273 |
| Liabilities. Value of benefit claims payable at end of year | 2023-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2023-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2023-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2023-12-31 | $0 |
| Did the plan have assets held for investment | 2023-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2023-12-31 | No |
| Aggregate proceeds on sale of assets | 2023-12-31 | $295,206,554 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $263,083,456 |
| Liabilities. Value of acquisition indebtedness at end of year | 2023-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2023-12-31 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2023-12-31 | Unqualified |
| Accountancy firm name | 2023-12-31 | MOSS ADAMS LLP |
| Accountancy firm EIN | 2023-12-31 | 910189318 |
| Unrealized appreciation/depreciation of real estate assets | 2023-01-01 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-01-01 | $205,045,228 |
| Total unrealized appreciation/depreciation of assets | 2023-01-01 | $205,045,228 |
| Total transfer of assets to this plan | 2023-01-01 | $0 |
| Total transfer of assets from this plan | 2023-01-01 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $246,494 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $578,134 |
| Total income from all sources (including contributions) | 2023-01-01 | $735,032,685 |
| Total loss/gain on sale of assets | 2023-01-01 | $32,123,098 |
| Total of all expenses incurred | 2023-01-01 | $181,094,659 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-01-01 | $180,537,921 |
| Expenses. Certain deemed distributions of participant loans | 2023-01-01 | $38,602 |
| Value of total corrective distributions | 2023-01-01 | $52,942 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-01-01 | $157,680,902 |
| Value of total assets at end of year | 2023-01-01 | $2,558,825,948 |
| Value of total assets at beginning of year | 2023-01-01 | $2,005,219,562 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-01-01 | $465,194 |
| Total income from rents | 2023-01-01 | $0 |
| Total interest from all sources | 2023-01-01 | $7,517,142 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-01-01 | $24,634,347 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-01-01 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2023-01-01 | $23,723,559 |
| Assets. Real estate other than employer real property at end of year | 2023-01-01 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2023-01-01 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2023-01-01 | $368,497 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2023-01-01 | $86,607 |
| Was this plan covered by a fidelity bond | 2023-01-01 | Yes |
| Value of fidelity bond cover | 2023-01-01 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2023-01-01 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2023-01-01 | No |
| Contributions received from participants | 2023-01-01 | $116,186,936 |
| Participant contributions at end of year | 2023-01-01 | $19,582,551 |
| Participant contributions at beginning of year | 2023-01-01 | $18,873,294 |
| Participant contributions at end of year | 2023-01-01 | $0 |
| Participant contributions at beginning of year | 2023-01-01 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2023-01-01 | $-253,696 |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-01-01 | $84,361 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2023-01-01 | $8,277,479 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2023-01-01 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-01-01 | $833,832 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-01-01 | $494,124 |
| Assets. Loans (other than to participants) at end of year | 2023-01-01 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2023-01-01 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-01-01 | $231,492 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-01-01 | $563,113 |
| Other income not declared elsewhere | 2023-01-01 | $0 |
| Administrative expenses (other) incurred | 2023-01-01 | $0 |
| Liabilities. Value of operating payables at end of year | 2023-01-01 | $15,002 |
| Liabilities. Value of operating payables at beginning of year | 2023-01-01 | $15,021 |
| Total non interest bearing cash at end of year | 2023-01-01 | $258,030 |
| Total non interest bearing cash at beginning of year | 2023-01-01 | $202,373 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-01-01 | No |
| Income. Non cash contributions | 2023-01-01 | $0 |
| Value of net income/loss | 2023-01-01 | $553,938,026 |
| Value of net assets at end of year (total assets less liabilities) | 2023-01-01 | $2,558,579,454 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-01-01 | $2,004,641,428 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2023-01-01 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2023-01-01 | No |
| Were any leases to which the plan was party in default or uncollectible | 2023-01-01 | No |
| Assets. partnership/joint venture interests at end of year | 2023-01-01 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2023-01-01 | $0 |
| Investment advisory and management fees | 2023-01-01 | $120,718 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-01-01 | $769,060,127 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-01-01 | $448,410,829 |
| Value of interest in pooled separate accounts at end of year | 2023-01-01 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2023-01-01 | $0 |
| Interest on participant loans | 2023-01-01 | $1,144,018 |
| Income. Interest from loans (other than to participants) | 2023-01-01 | $0 |
| Interest earned on other investments | 2023-01-01 | $5,007,945 |
| Income. Interest from US Government securities | 2023-01-01 | $1,376 |
| Income. Interest from corporate debt instruments | 2023-01-01 | $3,531 |
| Value of interest in master investment trust accounts at end of year | 2023-01-01 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2023-01-01 | $0 |
| Value of interest in common/collective trusts at end of year | 2023-01-01 | $1,069,406,618 |
| Value of interest in common/collective trusts at beginning of year | 2023-01-01 | $1,030,525,042 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-01-01 | $35,332,662 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-01-01 | $1,360,272 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2023-01-01 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2023-01-01 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2023-01-01 | $134,696,166 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2023-01-01 | $141,346,652 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2023-01-01 | $0 |
| Asset value of US Government securities at end of year | 2023-01-01 | $1,106,608 |
| Asset value of US Government securities at beginning of year | 2023-01-01 | $271,092 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2023-01-01 | $76,357,005 |
| Net investment gain/loss from pooled separate accounts | 2023-01-01 | $0 |
| Net investment gain or loss from common/collective trusts | 2023-01-01 | $231,674,963 |
| Net gain/loss from 103.12 investment entities | 2023-01-01 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2023-01-01 | No |
| Was there a failure to transmit to the plan any participant contributions | 2023-01-01 | No |
| Has the plan failed to provide any benefit when due under the plan | 2023-01-01 | Yes |
| Assets. Invements in employer securities at end of year | 2023-01-01 | $410,461,929 |
| Assets. Invements in employer securities at beginning of year | 2023-01-01 | $257,656,018 |
| Assets. Value of employer real property at end of year | 2023-01-01 | $0 |
| Assets. Value of employer real property at beginning of year | 2023-01-01 | $0 |
| Contributions received in cash from employer | 2023-01-01 | $33,216,487 |
| Employer contributions (assets) at end of year | 2023-01-01 | $5,151,215 |
| Employer contributions (assets) at beginning of year | 2023-01-01 | $6,653,567 |
| Income. Dividends from preferred stock | 2023-01-01 | $21,754 |
| Income. Dividends from common stock | 2023-01-01 | $889,034 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2023-01-01 | $180,537,921 |
| Asset. Corporate debt instrument preferred debt at end of year | 2023-01-01 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2023-01-01 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2023-01-01 | $430,972 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-01-01 | $3,954 |
| Contract administrator fees | 2023-01-01 | $1,800 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-01-01 | $112,390,437 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-01-01 | $70,922,273 |
| Liabilities. Value of benefit claims payable at end of year | 2023-01-01 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2023-01-01 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2023-01-01 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2023-01-01 | $0 |
| Did the plan have assets held for investment | 2023-01-01 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-01-01 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2023-01-01 | No |
| Aggregate proceeds on sale of assets | 2023-01-01 | $295,206,554 |
| Aggregate carrying amount (costs) on sale of assets | 2023-01-01 | $263,083,456 |
| Liabilities. Value of acquisition indebtedness at end of year | 2023-01-01 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2023-01-01 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2023-01-01 | 1 |
| Accountancy firm name | 2023-01-01 | MOSS ADAMS LLP |
| Accountancy firm EIN | 2023-01-01 | 910189318 |
| 2022 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 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 | $-179,581,731 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-179,581,731 |
| Total transfer of assets to this plan | 2022-12-31 | $0 |
| 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 | $578,134 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $51,760 |
| 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 | $-456,732,830 |
| Total loss/gain on sale of assets | 2022-12-31 | $-50,675,052 |
| Total of all expenses incurred | 2022-12-31 | $113,010,659 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-12-31 | $112,415,292 |
| Expenses. Certain deemed distributions of participant loans | 2022-12-31 | $19,239 |
| Value of total corrective distributions | 2022-12-31 | $45,446 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-12-31 | $169,309,829 |
| Value of total assets at end of year | 2022-12-31 | $2,005,219,562 |
| Value of total assets at beginning of year | 2022-12-31 | $2,574,436,677 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $530,682 |
| Total income from rents | 2022-12-31 | $0 |
| Total interest from all sources | 2022-12-31 | $5,010,747 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $22,467,896 |
| 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 | $17,756,955 |
| 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 | $86,607 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2022-12-31 | $25,439 |
| 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 | $116,885,430 |
| Participant contributions at end of year | 2022-12-31 | $18,873,294 |
| Participant contributions at beginning of year | 2022-12-31 | $15,728,190 |
| 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 | $84,361 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-12-31 | $563,930 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2022-12-31 | $17,226,707 |
| 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 | $494,124 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $1,282,024 |
| 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 | $563,113 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $36,758 |
| Other income not declared elsewhere | 2022-12-31 | $0 |
| Administrative expenses (other) incurred | 2022-12-31 | $453,961 |
| Liabilities. Value of operating payables at end of year | 2022-12-31 | $15,021 |
| Liabilities. Value of operating payables at beginning of year | 2022-12-31 | $15,002 |
| Total non interest bearing cash at end of year | 2022-12-31 | $202,373 |
| Total non interest bearing cash at beginning of year | 2022-12-31 | $128,247 |
| 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 | $-569,743,489 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $2,004,641,428 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $2,574,384,917 |
| 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 | $76,721 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-12-31 | $448,410,829 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-12-31 | $562,580,774 |
| 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 | $811,838 |
| Income. Interest from loans (other than to participants) | 2022-12-31 | $0 |
| Interest earned on other investments | 2022-12-31 | $3,815,654 |
| Income. Interest from US Government securities | 2022-12-31 | $77 |
| Income. Interest from corporate debt instruments | 2022-12-31 | $0 |
| 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 | $1,030,525,042 |
| Value of interest in common/collective trusts at beginning of year | 2022-12-31 | $1,281,320,272 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $29,689,376 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $26,282,926 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $26,282,926 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $383,178 |
| 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 | $141,346,652 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2022-12-31 | $140,288,339 |
| 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 | $271,092 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-12-31 | $-131,618,658 |
| Net investment gain/loss from pooled separate accounts | 2022-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2022-12-31 | $-291,645,861 |
| 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 | $257,656,018 |
| Assets. Invements in employer securities at beginning of year | 2022-12-31 | $427,710,433 |
| 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 | $35,197,692 |
| Employer contributions (assets) at end of year | 2022-12-31 | $6,653,567 |
| Employer contributions (assets) at beginning of year | 2022-12-31 | $5,683,563 |
| Income. Dividends from preferred stock | 2022-12-31 | $2,841 |
| Income. Dividends from common stock | 2022-12-31 | $4,708,100 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2022-12-31 | $112,415,292 |
| 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 | $3,954 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-12-31 | $0 |
| Contract administrator fees | 2022-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-12-31 | $70,922,273 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-12-31 | $112,842,540 |
| 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 | $229,646,932 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $280,321,984 |
| Liabilities. Value of acquisition indebtedness at end of year | 2022-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2022-12-31 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2022-12-31 | Unqualified |
| Accountancy firm name | 2022-12-31 | MOSS ADAMS LLP |
| Accountancy firm EIN | 2022-12-31 | 910189318 |
| Unrealized appreciation/depreciation of real estate assets | 2022-01-01 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-01-01 | $-179,581,731 |
| Total unrealized appreciation/depreciation of assets | 2022-01-01 | $-179,581,731 |
| Total transfer of assets to this plan | 2022-01-01 | $0 |
| Total transfer of assets from this plan | 2022-01-01 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $578,134 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $51,760 |
| Total income from all sources (including contributions) | 2022-01-01 | $-456,732,830 |
| Total loss/gain on sale of assets | 2022-01-01 | $-50,675,052 |
| Total of all expenses incurred | 2022-01-01 | $113,010,659 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-01-01 | $112,415,292 |
| Expenses. Certain deemed distributions of participant loans | 2022-01-01 | $19,239 |
| Value of total corrective distributions | 2022-01-01 | $45,446 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-01-01 | $169,309,829 |
| Value of total assets at end of year | 2022-01-01 | $2,005,219,562 |
| Value of total assets at beginning of year | 2022-01-01 | $2,574,436,677 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-01-01 | $530,682 |
| Total income from rents | 2022-01-01 | $0 |
| Total interest from all sources | 2022-01-01 | $5,010,747 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-01-01 | $22,467,896 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-01-01 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-01-01 | $17,756,955 |
| Assets. Real estate other than employer real property at end of year | 2022-01-01 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2022-01-01 | $0 |
| Administrative expenses professional fees incurred | 2022-01-01 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2022-01-01 | $86,607 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2022-01-01 | $25,439 |
| Was this plan covered by a fidelity bond | 2022-01-01 | Yes |
| Value of fidelity bond cover | 2022-01-01 | $10,000,000 |
| If this is an individual account plan, was there a blackout period | 2022-01-01 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2022-01-01 | No |
| Contributions received from participants | 2022-01-01 | $116,885,430 |
| Participant contributions at end of year | 2022-01-01 | $18,873,294 |
| Participant contributions at beginning of year | 2022-01-01 | $15,728,190 |
| Participant contributions at end of year | 2022-01-01 | $0 |
| Participant contributions at beginning of year | 2022-01-01 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2022-01-01 | $84,361 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-01-01 | $563,930 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2022-01-01 | $17,226,707 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2022-01-01 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-01-01 | $494,124 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-01-01 | $1,282,024 |
| Assets. Loans (other than to participants) at end of year | 2022-01-01 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2022-01-01 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-01-01 | $563,113 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-01-01 | $36,758 |
| Other income not declared elsewhere | 2022-01-01 | $0 |
| Administrative expenses (other) incurred | 2022-01-01 | $453,961 |
| Liabilities. Value of operating payables at end of year | 2022-01-01 | $15,021 |
| Liabilities. Value of operating payables at beginning of year | 2022-01-01 | $15,002 |
| Total non interest bearing cash at end of year | 2022-01-01 | $202,373 |
| Total non interest bearing cash at beginning of year | 2022-01-01 | $128,247 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-01-01 | No |
| Income. Non cash contributions | 2022-01-01 | $0 |
| Value of net income/loss | 2022-01-01 | $-569,743,489 |
| Value of net assets at end of year (total assets less liabilities) | 2022-01-01 | $2,004,641,428 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-01-01 | $2,574,384,917 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2022-01-01 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2022-01-01 | No |
| Were any leases to which the plan was party in default or uncollectible | 2022-01-01 | No |
| Assets. partnership/joint venture interests at end of year | 2022-01-01 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2022-01-01 | $0 |
| Investment advisory and management fees | 2022-01-01 | $76,721 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-01-01 | $448,410,829 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-01-01 | $562,580,774 |
| Value of interest in pooled separate accounts at end of year | 2022-01-01 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2022-01-01 | $0 |
| Interest on participant loans | 2022-01-01 | $811,838 |
| Income. Interest from loans (other than to participants) | 2022-01-01 | $0 |
| Interest earned on other investments | 2022-01-01 | $3,815,654 |
| Income. Interest from US Government securities | 2022-01-01 | $77 |
| Income. Interest from corporate debt instruments | 2022-01-01 | $0 |
| Value of interest in master investment trust accounts at end of year | 2022-01-01 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2022-01-01 | $0 |
| Value of interest in common/collective trusts at end of year | 2022-01-01 | $1,030,525,042 |
| Value of interest in common/collective trusts at beginning of year | 2022-01-01 | $1,281,320,272 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-01-01 | $29,689,376 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-01-01 | $383,178 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2022-01-01 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2022-01-01 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2022-01-01 | $141,346,652 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2022-01-01 | $140,288,339 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2022-01-01 | $0 |
| Asset value of US Government securities at end of year | 2022-01-01 | $271,092 |
| Asset value of US Government securities at beginning of year | 2022-01-01 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-01-01 | $-131,618,658 |
| Net investment gain/loss from pooled separate accounts | 2022-01-01 | $0 |
| Net investment gain or loss from common/collective trusts | 2022-01-01 | $-291,645,861 |
| Net gain/loss from 103.12 investment entities | 2022-01-01 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2022-01-01 | No |
| Was there a failure to transmit to the plan any participant contributions | 2022-01-01 | No |
| Has the plan failed to provide any benefit when due under the plan | 2022-01-01 | No |
| Assets. Invements in employer securities at end of year | 2022-01-01 | $257,656,018 |
| Assets. Invements in employer securities at beginning of year | 2022-01-01 | $427,710,433 |
| Assets. Value of employer real property at end of year | 2022-01-01 | $0 |
| Assets. Value of employer real property at beginning of year | 2022-01-01 | $0 |
| Contributions received in cash from employer | 2022-01-01 | $35,197,692 |
| Employer contributions (assets) at end of year | 2022-01-01 | $6,653,567 |
| Employer contributions (assets) at beginning of year | 2022-01-01 | $5,683,563 |
| Income. Dividends from preferred stock | 2022-01-01 | $2,841 |
| Income. Dividends from common stock | 2022-01-01 | $4,708,100 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2022-01-01 | $112,415,292 |
| Asset. Corporate debt instrument preferred debt at end of year | 2022-01-01 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2022-01-01 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-01-01 | $3,954 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-01-01 | $0 |
| Contract administrator fees | 2022-01-01 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-01-01 | $70,922,273 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-01-01 | $112,842,540 |
| Liabilities. Value of benefit claims payable at end of year | 2022-01-01 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2022-01-01 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2022-01-01 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2022-01-01 | $0 |
| Did the plan have assets held for investment | 2022-01-01 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-01-01 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2022-01-01 | No |
| Aggregate proceeds on sale of assets | 2022-01-01 | $229,646,932 |
| Aggregate carrying amount (costs) on sale of assets | 2022-01-01 | $280,321,984 |
| Liabilities. Value of acquisition indebtedness at end of year | 2022-01-01 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2022-01-01 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2022-01-01 | 1 |
| Accountancy firm name | 2022-01-01 | MOSS ADAMS LLP |
| Accountancy firm EIN | 2022-01-01 | 910189318 |
| 2021 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 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 | $120,408,175 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $120,408,175 |
| Total transfer of assets to this plan | 2021-12-31 | $0 |
| 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 | $51,760 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $599,169 |
| 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 | $578,556,583 |
| Total loss/gain on sale of assets | 2021-12-31 | $48,335,189 |
| Total of all expenses incurred | 2021-12-31 | $118,742,451 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2021-12-31 | $118,161,885 |
| Expenses. Certain deemed distributions of participant loans | 2021-12-31 | $45,059 |
| Value of total corrective distributions | 2021-12-31 | $18,045 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2021-12-31 | $156,371,537 |
| Value of total assets at end of year | 2021-12-31 | $2,574,436,677 |
| Value of total assets at beginning of year | 2021-12-31 | $2,115,169,954 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $517,462 |
| Total income from rents | 2021-12-31 | $0 |
| Total interest from all sources | 2021-12-31 | $4,486,970 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $51,285,679 |
| 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 | $47,339,222 |
| 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 | $25,439 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2021-12-31 | $31,323 |
| 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 | $102,468,310 |
| Participant contributions at end of year | 2021-12-31 | $15,728,190 |
| Participant contributions at beginning of year | 2021-12-31 | $13,821,150 |
| 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 | $563,930 |
| Assets. Other investments not covered elsewhere at beginning of year | 2021-12-31 | $409,493 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2021-12-31 | $23,806,803 |
| 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 | $1,282,024 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $606,474 |
| 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 | $36,758 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $584,170 |
| Other income not declared elsewhere | 2021-12-31 | $0 |
| Administrative expenses (other) incurred | 2021-12-31 | $486,267 |
| Liabilities. Value of operating payables at end of year | 2021-12-31 | $15,002 |
| Liabilities. Value of operating payables at beginning of year | 2021-12-31 | $14,999 |
| Total non interest bearing cash at end of year | 2021-12-31 | $128,247 |
| Total non interest bearing cash at beginning of year | 2021-12-31 | $115,494 |
| 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 | $459,814,132 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $2,574,384,917 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $2,114,570,785 |
| 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 | $31,195 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2021-12-31 | $562,580,774 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2021-12-31 | $799,253,185 |
| 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 | $733,585 |
| Income. Interest from loans (other than to participants) | 2021-12-31 | $0 |
| Interest earned on other investments | 2021-12-31 | $3,748,982 |
| Income. Interest from US Government securities | 2021-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2021-12-31 | $0 |
| 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 | $1,281,320,272 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $746,604,842 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $26,282,926 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $23,679,264 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $23,679,264 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $4,403 |
| 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 | $140,288,339 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2021-12-31 | $153,287,786 |
| 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 | $0 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2021-12-31 | $67,129,454 |
| Net investment gain/loss from pooled separate accounts | 2021-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $130,539,579 |
| 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 | $427,710,433 |
| Assets. Invements in employer securities at beginning of year | 2021-12-31 | $291,207,793 |
| 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 | $30,096,424 |
| Employer contributions (assets) at end of year | 2021-12-31 | $5,683,563 |
| Employer contributions (assets) at beginning of year | 2021-12-31 | $4,410,267 |
| Income. Dividends from preferred stock | 2021-12-31 | $2,707 |
| Income. Dividends from common stock | 2021-12-31 | $3,943,750 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2021-12-31 | $118,161,885 |
| 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 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2021-12-31 | $11 |
| Contract administrator fees | 2021-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $112,842,540 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $81,742,872 |
| 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 | $412,398,950 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $364,063,761 |
| Liabilities. Value of acquisition indebtedness at end of year | 2021-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2021-12-31 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2021-12-31 | Unqualified |
| Accountancy firm name | 2021-12-31 | MOSS ADAMS LLP |
| Accountancy firm EIN | 2021-12-31 | 910189318 |
| 2020 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 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 | $125,655,379 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $125,655,379 |
| 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 | $599,169 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $653,222 |
| 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 | $549,470,700 |
| Total loss/gain on sale of assets | 2020-12-31 | $21,961,368 |
| Total of all expenses incurred | 2020-12-31 | $79,617,133 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2020-12-31 | $78,899,081 |
| Expenses. Certain deemed distributions of participant loans | 2020-12-31 | $139,410 |
| Value of total corrective distributions | 2020-12-31 | $80,885 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2020-12-31 | $129,380,842 |
| Value of total assets at end of year | 2020-12-31 | $2,115,169,954 |
| Value of total assets at beginning of year | 2020-12-31 | $1,645,370,440 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $497,757 |
| Total income from rents | 2020-12-31 | $0 |
| Total interest from all sources | 2020-12-31 | $5,021,370 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $36,236,798 |
| 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 | $32,844,841 |
| 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 | $31,323 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2020-12-31 | $36,167 |
| 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 | $86,864,600 |
| Participant contributions at end of year | 2020-12-31 | $13,821,150 |
| Participant contributions at beginning of year | 2020-12-31 | $14,472,345 |
| 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 | $409,493 |
| Assets. Other investments not covered elsewhere at beginning of year | 2020-12-31 | $-11,768 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2020-12-31 | $16,991,138 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2020-12-31 | $18,988 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $606,474 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $33,580 |
| 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 | $584,170 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $638,220 |
| Other income not declared elsewhere | 2020-12-31 | $4,115 |
| Administrative expenses (other) incurred | 2020-12-31 | $497,757 |
| Liabilities. Value of operating payables at end of year | 2020-12-31 | $14,999 |
| Liabilities. Value of operating payables at beginning of year | 2020-12-31 | $15,002 |
| Total non interest bearing cash at end of year | 2020-12-31 | $115,494 |
| Total non interest bearing cash at beginning of year | 2020-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2020-12-31 | No |
| Income. Non cash contributions | 2020-12-31 | $0 |
| Value of net income/loss | 2020-12-31 | $469,853,567 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $2,114,570,785 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $1,644,717,218 |
| 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 | $799,253,185 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2020-12-31 | $664,933,600 |
| 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 | $832,107 |
| Income. Interest from loans (other than to participants) | 2020-12-31 | $0 |
| Interest earned on other investments | 2020-12-31 | $4,129,851 |
| Income. Interest from US Government securities | 2020-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2020-12-31 | $0 |
| 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 | $746,604,842 |
| Value of interest in common/collective trusts at beginning of year | 2020-12-31 | $592,966,268 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $23,679,264 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $18,110,066 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $18,110,066 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $59,412 |
| 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 | $153,287,786 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2020-12-31 | $130,512,648 |
| 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 | $0 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2020-12-31 | $150,449,386 |
| Net investment gain/loss from pooled separate accounts | 2020-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2020-12-31 | $80,761,442 |
| 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 | $291,207,793 |
| Assets. Invements in employer securities at beginning of year | 2020-12-31 | $184,599,477 |
| 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 | $25,525,104 |
| Employer contributions (assets) at end of year | 2020-12-31 | $4,410,267 |
| Employer contributions (assets) at beginning of year | 2020-12-31 | $4,203,121 |
| Income. Dividends from preferred stock | 2020-12-31 | $1,942 |
| Income. Dividends from common stock | 2020-12-31 | $3,390,015 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2020-12-31 | $78,880,093 |
| 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 | $11 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2020-12-31 | $8,452 |
| Contract administrator fees | 2020-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2020-12-31 | $81,742,872 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2020-12-31 | $35,506,484 |
| 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 | $297,693,173 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $275,731,805 |
| Liabilities. Value of acquisition indebtedness at end of year | 2020-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2020-12-31 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2020-12-31 | Unqualified |
| Accountancy firm name | 2020-12-31 | MOSS ADAMS LLP |
| Accountancy firm EIN | 2020-12-31 | 910189318 |
| 2019 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 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 | $82,692,034 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $82,692,034 |
| 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 | $653,222 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $15,002 |
| 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 | $489,110,745 |
| Total loss/gain on sale of assets | 2019-12-31 | $34,359,295 |
| Total of all expenses incurred | 2019-12-31 | $76,658,002 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2019-12-31 | $76,165,004 |
| Expenses. Certain deemed distributions of participant loans | 2019-12-31 | $44,705 |
| Value of total corrective distributions | 2019-12-31 | $22,816 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2019-12-31 | $106,762,859 |
| Value of total assets at end of year | 2019-12-31 | $1,645,370,440 |
| Value of total assets at beginning of year | 2019-12-31 | $1,232,279,477 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $425,477 |
| Total income from rents | 2019-12-31 | $0 |
| Total interest from all sources | 2019-12-31 | $5,014,475 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $25,604,432 |
| 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 | $22,963,975 |
| 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 | $36,167 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2019-12-31 | $37,065 |
| 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 | $76,546,319 |
| Participant contributions at end of year | 2019-12-31 | $14,472,345 |
| Participant contributions at beginning of year | 2019-12-31 | $13,677,623 |
| 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 | $-11,768 |
| Assets. Other investments not covered elsewhere at beginning of year | 2019-12-31 | $72,675 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2019-12-31 | $6,940,837 |
| 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 | $33,580 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $434,878 |
| 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 | $638,220 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $0 |
| Other income not declared elsewhere | 2019-12-31 | $0 |
| Administrative expenses (other) incurred | 2019-12-31 | $410,475 |
| Liabilities. Value of operating payables at end of year | 2019-12-31 | $15,002 |
| Liabilities. Value of operating payables at beginning of year | 2019-12-31 | $15,002 |
| Total non interest bearing cash at end of year | 2019-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $5,993 |
| 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 | $412,452,743 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $1,644,717,218 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $1,232,264,475 |
| 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 | $15,002 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2019-12-31 | $664,933,600 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2019-12-31 | $507,436,661 |
| 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 | $763,593 |
| Income. Interest from loans (other than to participants) | 2019-12-31 | $0 |
| Interest earned on other investments | 2019-12-31 | $3,954,629 |
| Income. Interest from US Government securities | 2019-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2019-12-31 | $641 |
| 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 | $592,966,268 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $449,122,900 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $18,110,066 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $15,276,504 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $15,276,504 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $295,612 |
| 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 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2019-12-31 | $130,512,648 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2019-12-31 | $118,113,419 |
| 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 | $0 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2019-12-31 | $122,413,668 |
| Net investment gain/loss from pooled separate accounts | 2019-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $112,263,982 |
| 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 | $184,599,477 |
| Assets. Invements in employer securities at beginning of year | 2019-12-31 | $103,564,241 |
| 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 | $23,275,703 |
| Employer contributions (assets) at end of year | 2019-12-31 | $4,203,121 |
| Employer contributions (assets) at beginning of year | 2019-12-31 | $5,024,768 |
| Income. Dividends from preferred stock | 2019-12-31 | $2,639 |
| Income. Dividends from common stock | 2019-12-31 | $2,637,818 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2019-12-31 | $76,165,004 |
| 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 | $8,452 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2019-12-31 | $6,385 |
| Contract administrator fees | 2019-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $35,506,484 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $19,506,365 |
| 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 | $156,507,508 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $122,148,213 |
| 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 | No |
| Opinion of an independent qualified public accountant for this plan | 2019-12-31 | Unqualified |
| Accountancy firm name | 2019-12-31 | MOSS ADAMS LLP |
| Accountancy firm EIN | 2019-12-31 | 910189318 |
| 2018 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 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 | $-38,613,712 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-38,613,712 |
| Total transfer of assets to this plan | 2018-12-31 | $9,631,696 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $15,002 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $113,856 |
| 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 | $21,031,300 |
| Total loss/gain on sale of assets | 2018-12-31 | $1,393,334 |
| Total of all expenses incurred | 2018-12-31 | $50,746,668 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2018-12-31 | $50,234,845 |
| Expenses. Certain deemed distributions of participant loans | 2018-12-31 | $13,768 |
| Value of total corrective distributions | 2018-12-31 | $41,193 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2018-12-31 | $107,957,445 |
| Value of total assets at end of year | 2018-12-31 | $1,232,279,477 |
| Value of total assets at beginning of year | 2018-12-31 | $1,252,462,003 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $456,862 |
| Total income from rents | 2018-12-31 | $0 |
| Total interest from all sources | 2018-12-31 | $4,280,112 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $27,688,767 |
| 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 | $24,223,001 |
| 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 | $37,065 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2018-12-31 | $49,260 |
| 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 | $73,970,378 |
| Participant contributions at end of year | 2018-12-31 | $13,677,623 |
| Participant contributions at beginning of year | 2018-12-31 | $11,526,948 |
| 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 | $72,675 |
| Assets. Other investments not covered elsewhere at beginning of year | 2018-12-31 | $49,198 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2018-12-31 | $10,447,950 |
| 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 | $434,878 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $1,092,145 |
| 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 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $98,752 |
| Other income not declared elsewhere | 2018-12-31 | $0 |
| Administrative expenses (other) incurred | 2018-12-31 | $441,860 |
| Liabilities. Value of operating payables at end of year | 2018-12-31 | $15,002 |
| Liabilities. Value of operating payables at beginning of year | 2018-12-31 | $15,104 |
| Total non interest bearing cash at end of year | 2018-12-31 | $5,993 |
| Total non interest bearing cash at beginning of year | 2018-12-31 | $6,369 |
| 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 | $-29,715,368 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $1,232,264,475 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $1,252,348,147 |
| 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 | $15,002 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2018-12-31 | $507,436,661 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2018-12-31 | $545,116,655 |
| 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 | $594,561 |
| Income. Interest from loans (other than to participants) | 2018-12-31 | $0 |
| Interest earned on other investments | 2018-12-31 | $3,511,304 |
| Income. Interest from US Government securities | 2018-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2018-12-31 | $548 |
| 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 | $449,122,900 |
| Value of interest in common/collective trusts at beginning of year | 2018-12-31 | $422,285,155 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $15,276,504 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $9,089,148 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $9,089,148 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $173,699 |
| 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 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2018-12-31 | $118,113,419 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2018-12-31 | $105,856,905 |
| 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 | $0 |
| Asset value of US Government securities at beginning of year | 2018-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2018-12-31 | $-64,850,451 |
| Net investment gain/loss from pooled separate accounts | 2018-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2018-12-31 | $-16,824,195 |
| 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 | $103,564,241 |
| Assets. Invements in employer securities at beginning of year | 2018-12-31 | $134,235,164 |
| 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 | $23,539,117 |
| Employer contributions (assets) at end of year | 2018-12-31 | $5,024,768 |
| Employer contributions (assets) at beginning of year | 2018-12-31 | $4,017,272 |
| Income. Dividends from preferred stock | 2018-12-31 | $2,629 |
| Income. Dividends from common stock | 2018-12-31 | $3,463,137 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2018-12-31 | $50,234,845 |
| 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 | $6,385 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2018-12-31 | $0 |
| Contract administrator fees | 2018-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2018-12-31 | $19,506,365 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2018-12-31 | $19,137,784 |
| 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 | $143,986,108 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $142,592,774 |
| 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 | No |
| Opinion of an independent qualified public accountant for this plan | 2018-12-31 | Unqualified |
| Accountancy firm name | 2018-12-31 | MOSS ADAMS LLP |
| Accountancy firm EIN | 2018-12-31 | 910189318 |
| 2017 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 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 | $32,399,992 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $32,399,992 |
| 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 | $113,856 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $683,546 |
| 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 | $319,576,206 |
| Total loss/gain on sale of assets | 2017-12-31 | $25,402,314 |
| Total of all expenses incurred | 2017-12-31 | $37,319,688 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2017-12-31 | $36,894,825 |
| Expenses. Certain deemed distributions of participant loans | 2017-12-31 | $6,961 |
| Value of total corrective distributions | 2017-12-31 | $24,427 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2017-12-31 | $90,137,229 |
| Value of total assets at end of year | 2017-12-31 | $1,252,462,003 |
| Value of total assets at beginning of year | 2017-12-31 | $970,775,175 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $393,475 |
| Total income from rents | 2017-12-31 | $0 |
| Total interest from all sources | 2017-12-31 | $3,668,282 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $21,374,422 |
| 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 | $19,965,131 |
| 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 | $49,260 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2017-12-31 | $51,850 |
| 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 | $60,944,697 |
| Participant contributions at end of year | 2017-12-31 | $11,526,948 |
| Participant contributions at beginning of year | 2017-12-31 | $10,960,835 |
| 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 | $49,198 |
| Assets. Other investments not covered elsewhere at beginning of year | 2017-12-31 | $-13,200 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2017-12-31 | $10,041,672 |
| 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 | $1,092,145 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $41,709 |
| 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 | $98,752 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $668,547 |
| Other income not declared elsewhere | 2017-12-31 | $0 |
| Administrative expenses (other) incurred | 2017-12-31 | $378,473 |
| Liabilities. Value of operating payables at end of year | 2017-12-31 | $15,104 |
| Liabilities. Value of operating payables at beginning of year | 2017-12-31 | $14,999 |
| Total non interest bearing cash at end of year | 2017-12-31 | $6,369 |
| Total non interest bearing cash at beginning of year | 2017-12-31 | $531 |
| 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 | $282,256,518 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $1,252,348,147 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $970,091,629 |
| 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 | $15,002 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2017-12-31 | $545,116,655 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2017-12-31 | $445,069,213 |
| 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 | $503,011 |
| Income. Interest from loans (other than to participants) | 2017-12-31 | $0 |
| Interest earned on other investments | 2017-12-31 | $3,102,863 |
| Income. Interest from US Government securities | 2017-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2017-12-31 | $247 |
| 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 | $422,285,155 |
| Value of interest in common/collective trusts at beginning of year | 2017-12-31 | $303,869,439 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $9,089,148 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $9,853,325 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $9,853,325 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $62,161 |
| 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 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2017-12-31 | $105,856,905 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2017-12-31 | $114,010,944 |
| 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 | $0 |
| Asset value of US Government securities at beginning of year | 2017-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2017-12-31 | $71,181,398 |
| Net investment gain/loss from pooled separate accounts | 2017-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2017-12-31 | $75,412,569 |
| 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 | $134,235,164 |
| Assets. Invements in employer securities at beginning of year | 2017-12-31 | $73,078,054 |
| 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 | $19,150,860 |
| Employer contributions (assets) at end of year | 2017-12-31 | $4,017,272 |
| Employer contributions (assets) at beginning of year | 2017-12-31 | $1,154,185 |
| Income. Dividends from preferred stock | 2017-12-31 | $2,925 |
| Income. Dividends from common stock | 2017-12-31 | $1,406,366 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2017-12-31 | $36,894,825 |
| 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 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2017-12-31 | $12,723 |
| Contract administrator fees | 2017-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2017-12-31 | $19,137,784 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2017-12-31 | $12,685,567 |
| 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 | $99,853,492 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $74,451,178 |
| 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 | No |
| Opinion of an independent qualified public accountant for this plan | 2017-12-31 | Unqualified |
| Accountancy firm name | 2017-12-31 | MOSS ADAMS LLP |
| Accountancy firm EIN | 2017-12-31 | 910189318 |
| 2016 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 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 | $15,839,190 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $15,839,190 |
| 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 | $683,546 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $168,555 |
| 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 | $145,489,382 |
| Total loss/gain on sale of assets | 2016-12-31 | $4,863,453 |
| Total of all expenses incurred | 2016-12-31 | $37,533,867 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2016-12-31 | $37,190,378 |
| Expenses. Certain deemed distributions of participant loans | 2016-12-31 | $10,343 |
| Value of total corrective distributions | 2016-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2016-12-31 | $68,415,539 |
| Value of total assets at end of year | 2016-12-31 | $970,775,175 |
| Value of total assets at beginning of year | 2016-12-31 | $862,304,669 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $333,146 |
| Total income from rents | 2016-12-31 | $0 |
| Total interest from all sources | 2016-12-31 | $3,215,617 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $13,019,509 |
| 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 | $11,941,408 |
| 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 | $51,850 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2016-12-31 | $12,833 |
| 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 | $50,461,799 |
| Participant contributions at end of year | 2016-12-31 | $10,960,835 |
| Participant contributions at beginning of year | 2016-12-31 | $10,472,120 |
| 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 | $-13,200 |
| Assets. Other investments not covered elsewhere at beginning of year | 2016-12-31 | $-5,346 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2016-12-31 | $3,983,994 |
| 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 | $41,709 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $126,530 |
| 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 | $668,547 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $153,553 |
| Other income not declared elsewhere | 2016-12-31 | $0 |
| Administrative expenses (other) incurred | 2016-12-31 | $318,147 |
| Liabilities. Value of operating payables at end of year | 2016-12-31 | $14,999 |
| Liabilities. Value of operating payables at beginning of year | 2016-12-31 | $15,002 |
| Total non interest bearing cash at end of year | 2016-12-31 | $531 |
| Total non interest bearing cash at beginning of year | 2016-12-31 | $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 | 2016-12-31 | No |
| Income. Non cash contributions | 2016-12-31 | $0 |
| Value of net income/loss | 2016-12-31 | $107,955,515 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $970,091,629 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $862,136,114 |
| 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 | $14,999 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2016-12-31 | $445,069,213 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2016-12-31 | $402,414,897 |
| 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 | $463,903 |
| Income. Interest from loans (other than to participants) | 2016-12-31 | $0 |
| Interest earned on other investments | 2016-12-31 | $2,736,739 |
| Income. Interest from US Government securities | 2016-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2016-12-31 | $696 |
| 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 | $303,869,439 |
| Value of interest in common/collective trusts at beginning of year | 2016-12-31 | $271,840,480 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $9,853,325 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $8,028,483 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $8,028,483 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $14,279 |
| 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 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2016-12-31 | $114,010,944 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2016-12-31 | $99,649,010 |
| 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 | $0 |
| Asset value of US Government securities at beginning of year | 2016-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2016-12-31 | $24,946,236 |
| Net investment gain/loss from pooled separate accounts | 2016-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2016-12-31 | $15,189,838 |
| Net gain/loss from 103.12 investment entities | 2016-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2016-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2016-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2016-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2016-12-31 | $73,078,054 |
| Assets. Invements in employer securities at beginning of year | 2016-12-31 | $59,458,362 |
| 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 | $13,969,746 |
| Employer contributions (assets) at end of year | 2016-12-31 | $1,154,185 |
| Employer contributions (assets) at beginning of year | 2016-12-31 | $977,346 |
| Income. Dividends from preferred stock | 2016-12-31 | $2,349 |
| Income. Dividends from common stock | 2016-12-31 | $1,075,752 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2016-12-31 | $37,190,378 |
| 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 | $12,723 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2016-12-31 | $0 |
| Contract administrator fees | 2016-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2016-12-31 | $12,685,567 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2016-12-31 | $9,329,954 |
| 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 | $65,281,710 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $60,418,257 |
| 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 | No |
| Opinion of an independent qualified public accountant for this plan | 2016-12-31 | Unqualified |
| Accountancy firm name | 2016-12-31 | MOSS ADAMS LLP |
| Accountancy firm EIN | 2016-12-31 | 910189318 |
| 2015 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 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 | $372,294 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $372,294 |
| 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 | $168,555 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $408,922 |
| 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 | $72,593,088 |
| Total loss/gain on sale of assets | 2015-12-31 | $-716,074 |
| Total of all expenses incurred | 2015-12-31 | $31,325,913 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2015-12-31 | $31,065,993 |
| Expenses. Certain deemed distributions of participant loans | 2015-12-31 | $11,029 |
| Value of total corrective distributions | 2015-12-31 | $12,874 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2015-12-31 | $65,727,373 |
| Value of total assets at end of year | 2015-12-31 | $862,304,669 |
| Value of total assets at beginning of year | 2015-12-31 | $821,277,861 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $236,017 |
| Total income from rents | 2015-12-31 | $0 |
| Total interest from all sources | 2015-12-31 | $-783,318 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $17,603,611 |
| 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 | $16,777,553 |
| 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 | $12,833 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2015-12-31 | $21,204 |
| 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 | $46,574,578 |
| Participant contributions at end of year | 2015-12-31 | $10,472,120 |
| Participant contributions at beginning of year | 2015-12-31 | $9,646,764 |
| 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 | $-5,346 |
| Assets. Other investments not covered elsewhere at beginning of year | 2015-12-31 | $-4,037 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2015-12-31 | $6,459,039 |
| 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 | $126,530 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $36,557 |
| 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 | $153,553 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $393,916 |
| Other income not declared elsewhere | 2015-12-31 | $0 |
| Administrative expenses (other) incurred | 2015-12-31 | $236,017 |
| Liabilities. Value of operating payables at end of year | 2015-12-31 | $15,002 |
| Liabilities. Value of operating payables at beginning of year | 2015-12-31 | $15,006 |
| Total non interest bearing cash at end of year | 2015-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2015-12-31 | $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 | 2015-12-31 | No |
| Income. Non cash contributions | 2015-12-31 | $0 |
| Value of net income/loss | 2015-12-31 | $41,267,175 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $862,136,114 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $820,868,939 |
| 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 | $402,414,897 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2015-12-31 | $490,114,759 |
| 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 | $435,305 |
| Income. Interest from loans (other than to participants) | 2015-12-31 | $0 |
| Interest earned on other investments | 2015-12-31 | $-1,222,422 |
| Income. Interest from US Government securities | 2015-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2015-12-31 | $0 |
| 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 | $271,840,480 |
| Value of interest in common/collective trusts at beginning of year | 2015-12-31 | $148,488,443 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $8,028,483 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $5,168,823 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $5,168,823 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $3,799 |
| 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 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2015-12-31 | $99,649,010 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2015-12-31 | $101,824,079 |
| 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 | $0 |
| Asset value of US Government securities at beginning of year | 2015-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2015-12-31 | $-19,551,913 |
| Net investment gain/loss from pooled separate accounts | 2015-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2015-12-31 | $9,941,115 |
| 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 | $59,458,362 |
| Assets. Invements in employer securities at beginning of year | 2015-12-31 | $58,983,083 |
| 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 | $12,693,756 |
| Employer contributions (assets) at end of year | 2015-12-31 | $977,346 |
| Employer contributions (assets) at beginning of year | 2015-12-31 | $734,573 |
| Income. Dividends from preferred stock | 2015-12-31 | $1,303 |
| Income. Dividends from common stock | 2015-12-31 | $824,755 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2015-12-31 | $31,065,993 |
| 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 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2015-12-31 | $0 |
| Contract administrator fees | 2015-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2015-12-31 | $9,329,954 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2015-12-31 | $6,263,613 |
| 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 | $37,325,889 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $38,041,963 |
| 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 | No |
| Opinion of an independent qualified public accountant for this plan | 2015-12-31 | Unqualified |
| Accountancy firm name | 2015-12-31 | MOSS ADAMS LLP |
| Accountancy firm EIN | 2015-12-31 | 910189318 |
| 2014 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 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 | $13,971,705 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $13,971,705 |
| 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 | $408,922 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $214,492 |
| 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 | $124,947,949 |
| Total loss/gain on sale of assets | 2014-12-31 | $4,880,972 |
| Total of all expenses incurred | 2014-12-31 | $39,022,593 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2014-12-31 | $38,845,324 |
| Expenses. Certain deemed distributions of participant loans | 2014-12-31 | $70,398 |
| Value of total corrective distributions | 2014-12-31 | $39,387 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2014-12-31 | $56,600,974 |
| Value of total assets at end of year | 2014-12-31 | $821,277,861 |
| Value of total assets at beginning of year | 2014-12-31 | $735,158,075 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $67,484 |
| Total income from rents | 2014-12-31 | $0 |
| Total interest from all sources | 2014-12-31 | $421,013 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $23,426,150 |
| 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 | $23,108,454 |
| 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 | $21,204 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2014-12-31 | $17,036 |
| 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 | $40,406,575 |
| Participant contributions at end of year | 2014-12-31 | $9,646,764 |
| Participant contributions at beginning of year | 2014-12-31 | $9,370,591 |
| 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 | $-4,037 |
| Assets. Other investments not covered elsewhere at beginning of year | 2014-12-31 | $-200 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2014-12-31 | $4,966,695 |
| 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 | $36,557 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $21,145 |
| 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 | $393,916 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $199,490 |
| Other income not declared elsewhere | 2014-12-31 | $0 |
| Administrative expenses (other) incurred | 2014-12-31 | $52,482 |
| Liabilities. Value of operating payables at end of year | 2014-12-31 | $15,006 |
| Liabilities. Value of operating payables at beginning of year | 2014-12-31 | $15,002 |
| Total non interest bearing cash at end of year | 2014-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2014-12-31 | $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 | 2014-12-31 | No |
| Income. Non cash contributions | 2014-12-31 | $0 |
| Value of net income/loss | 2014-12-31 | $85,925,356 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $820,868,939 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $734,943,583 |
| 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 | $15,002 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2014-12-31 | $490,114,759 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2014-12-31 | $574,803,044 |
| 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 | $419,468 |
| 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 | $0 |
| Income. Interest from corporate debt instruments | 2014-12-31 | $0 |
| 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 | $148,488,443 |
| Value of interest in common/collective trusts at beginning of year | 2014-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $5,168,823 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $5,346,500 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $5,346,500 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $1,545 |
| 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 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2014-12-31 | $101,824,079 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2014-12-31 | $96,393,621 |
| 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 | $0 |
| Asset value of US Government securities at beginning of year | 2014-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2014-12-31 | $14,064,588 |
| Net investment gain/loss from pooled separate accounts | 2014-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2014-12-31 | $11,582,547 |
| 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 | $58,983,083 |
| Assets. Invements in employer securities at beginning of year | 2014-12-31 | $45,383,095 |
| 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 | $11,227,704 |
| Employer contributions (assets) at end of year | 2014-12-31 | $734,573 |
| Employer contributions (assets) at beginning of year | 2014-12-31 | $375,205 |
| Income. Dividends from preferred stock | 2014-12-31 | $1,184 |
| Income. Dividends from common stock | 2014-12-31 | $316,512 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2014-12-31 | $38,845,324 |
| 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 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2014-12-31 | $0 |
| Contract administrator fees | 2014-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2014-12-31 | $6,263,613 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2014-12-31 | $3,448,038 |
| Liabilities. Value of benefit claims payable at end of year | 2014-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2014-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2014-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2014-12-31 | $0 |
| Did the plan have assets held for investment | 2014-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2014-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2014-12-31 | No |
| Aggregate proceeds on sale of assets | 2014-12-31 | $42,139,858 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $37,258,886 |
| 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 | No |
| Opinion of an independent qualified public accountant for this plan | 2014-12-31 | Unqualified |
| Accountancy firm name | 2014-12-31 | MOSS ADAMS LLP |
| Accountancy firm EIN | 2014-12-31 | 910189318 |
| 2013 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 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 | $8,823,006 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $8,823,006 |
| 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 | $214,492 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $19,605 |
| 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 | $186,322,522 |
| Total loss/gain on sale of assets | 2013-12-31 | $6,017,080 |
| Total of all expenses incurred | 2013-12-31 | $37,657,981 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2013-12-31 | $37,559,876 |
| Expenses. Certain deemed distributions of participant loans | 2013-12-31 | $23,208 |
| Value of total corrective distributions | 2013-12-31 | $9,356 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2013-12-31 | $49,155,352 |
| Value of total assets at end of year | 2013-12-31 | $735,158,075 |
| Value of total assets at beginning of year | 2013-12-31 | $586,298,647 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $65,541 |
| Total income from rents | 2013-12-31 | $0 |
| Total interest from all sources | 2013-12-31 | $2,903,429 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $16,035,723 |
| 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 | $16,009,281 |
| 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 | $17,036 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2013-12-31 | $16,879 |
| 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 | $35,923,887 |
| Participant contributions at end of year | 2013-12-31 | $9,370,591 |
| Participant contributions at beginning of year | 2013-12-31 | $8,608,590 |
| Participant contributions at end of year | 2013-12-31 | $0 |
| Participant contributions at beginning of year | 2013-12-31 | $241,648 |
| Assets. Other investments not covered elsewhere at end of year | 2013-12-31 | $-200 |
| 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 | $3,537,622 |
| 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 | $21,145 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $139,063 |
| 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 | $199,490 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $2,574 |
| Other income not declared elsewhere | 2013-12-31 | $0 |
| Administrative expenses (other) incurred | 2013-12-31 | $50,539 |
| Liabilities. Value of operating payables at end of year | 2013-12-31 | $15,002 |
| Liabilities. Value of operating payables at beginning of year | 2013-12-31 | $17,031 |
| Total non interest bearing cash at end of year | 2013-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2013-12-31 | $172,265,449 |
| 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 | $148,664,541 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $734,943,583 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $586,279,042 |
| 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 | $15,002 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2013-12-31 | $574,803,044 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2013-12-31 | $293,444,779 |
| 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 | $397,184 |
| Income. Interest from loans (other than to participants) | 2013-12-31 | $0 |
| Interest earned on other investments | 2013-12-31 | $2,503,908 |
| Income. Interest from US Government securities | 2013-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2013-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2013-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2013-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2013-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2013-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $5,346,500 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $3,333,913 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $3,333,913 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $2,337 |
| 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 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2013-12-31 | $96,393,621 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2013-12-31 | $67,227,590 |
| 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 | $0 |
| Asset value of US Government securities at beginning of year | 2013-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2013-12-31 | $103,387,932 |
| Net investment gain/loss from pooled separate accounts | 2013-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2013-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2013-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2013-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2013-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2013-12-31 | No |
| Assets. Invements in employer securities at end of year | 2013-12-31 | $45,383,095 |
| Assets. Invements in employer securities at beginning of year | 2013-12-31 | $37,095,886 |
| 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 | $9,693,843 |
| Employer contributions (assets) at end of year | 2013-12-31 | $375,205 |
| Employer contributions (assets) at beginning of year | 2013-12-31 | $3,924,850 |
| Income. Dividends from preferred stock | 2013-12-31 | $1,087 |
| Income. Dividends from common stock | 2013-12-31 | $25,355 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2013-12-31 | $37,559,876 |
| 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 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2013-12-31 | $0 |
| Contract administrator fees | 2013-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2013-12-31 | $3,448,038 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2013-12-31 | $0 |
| 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 | $32,814,172 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $26,797,092 |
| 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 | No |
| Opinion of an independent qualified public accountant for this plan | 2013-12-31 | Unqualified |
| Accountancy firm name | 2013-12-31 | MOSS ADAMS LLP |
| Accountancy firm EIN | 2013-12-31 | 910189318 |
| 2012 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $837,576 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $837,576 |
| Total transfer of assets to this plan | 2012-12-31 | $230,235,854 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $19,605 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $551,755 |
| Total income from all sources (including contributions) | 2012-12-31 | $65,185,687 |
| Total loss/gain on sale of assets | 2012-12-31 | $353,976 |
| Total of all expenses incurred | 2012-12-31 | $10,682,065 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2012-12-31 | $10,593,192 |
| Expenses. Certain deemed distributions of participant loans | 2012-12-31 | $5,893 |
| Value of total corrective distributions | 2012-12-31 | $14,291 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2012-12-31 | $28,750,729 |
| Value of total assets at end of year | 2012-12-31 | $586,298,647 |
| Value of total assets at beginning of year | 2012-12-31 | $302,091,321 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $68,689 |
| Total interest from all sources | 2012-12-31 | $4,404,503 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $5,427,191 |
| 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 | $5,426,120 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2012-12-31 | $16,879 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2012-12-31 | $12,267 |
| 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 | Yes |
| Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities | 2012-12-31 | $0 |
| Were there any nonexempt tranactions with any party-in-interest | 2012-12-31 | No |
| Contributions received from participants | 2012-12-31 | $21,504,273 |
| Participant contributions at end of year | 2012-12-31 | $8,608,590 |
| Participant contributions at beginning of year | 2012-12-31 | $5,055,213 |
| Participant contributions at end of year | 2012-12-31 | $241,648 |
| Participant contributions at beginning of year | 2012-12-31 | $20,985 |
| Assets. Other investments not covered elsewhere at end of year | 2012-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2012-12-31 | $58,501,787 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2012-12-31 | $1,430,801 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $139,063 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $262,435 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $2,574 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $534,763 |
| Administrative expenses (other) incurred | 2012-12-31 | $25,077 |
| Liabilities. Value of operating payables at end of year | 2012-12-31 | $17,031 |
| Liabilities. Value of operating payables at beginning of year | 2012-12-31 | $6,798 |
| Total non interest bearing cash at end of year | 2012-12-31 | $172,265,449 |
| Total non interest bearing cash at beginning of year | 2012-12-31 | $4,815 |
| 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 | $54,503,622 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $586,279,042 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $301,539,566 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2012-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2012-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2012-12-31 | No |
| Investment advisory and management fees | 2012-12-31 | $43,612 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2012-12-31 | $293,444,779 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2012-12-31 | $215,629,021 |
| Interest on participant loans | 2012-12-31 | $231,866 |
| Interest earned on other investments | 2012-12-31 | $4,162,565 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $3,333,913 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $8,559,592 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $8,559,592 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $10,072 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2012-12-31 | $67,227,590 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2012-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2012-12-31 | $25,411,712 |
| 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 | Yes |
| Has the plan failed to provide any benefit when due under the plan | 2012-12-31 | No |
| Assets. Invements in employer securities at end of year | 2012-12-31 | $37,095,886 |
| Assets. Invements in employer securities at beginning of year | 2012-12-31 | $13,742,712 |
| Contributions received in cash from employer | 2012-12-31 | $5,815,655 |
| Employer contributions (assets) at end of year | 2012-12-31 | $3,924,850 |
| Employer contributions (assets) at beginning of year | 2012-12-31 | $302,494 |
| Income. Dividends from preferred stock | 2012-12-31 | $1,071 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2012-12-31 | $10,593,192 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2012-12-31 | Yes |
| Liabilities. Value of benefit claims payable at end of year | 2012-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2012-12-31 | $10,194 |
| 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 | $28,287,077 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $27,933,101 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2012-12-31 | No |
| Opinion of an independent qualified public accountant for this plan | 2012-12-31 | Unqualified |
| Accountancy firm name | 2012-12-31 | MOSS ADAMS LLP |
| Accountancy firm EIN | 2012-12-31 | 910189318 |
| 2011 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $-3,124,234 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $-3,124,234 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $551,755 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $410,824 |
| Total income from all sources (including contributions) | 2011-12-31 | $21,643,550 |
| Total loss/gain on sale of assets | 2011-12-31 | $-493,815 |
| Total of all expenses incurred | 2011-12-31 | $8,968,054 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2011-12-31 | $8,918,332 |
| Value of total corrective distributions | 2011-12-31 | $35,517 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2011-12-31 | $27,604,900 |
| Value of total assets at end of year | 2011-12-31 | $302,091,321 |
| Value of total assets at beginning of year | 2011-12-31 | $289,274,894 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $14,205 |
| Total interest from all sources | 2011-12-31 | $1,815,538 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $8,816,820 |
| 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 | $8,815,749 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2011-12-31 | $12,267 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2011-12-31 | $14,553 |
| 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 |
| Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities | 2011-12-31 | $0 |
| Were there any nonexempt tranactions with any party-in-interest | 2011-12-31 | No |
| Contributions received from participants | 2011-12-31 | $19,116,007 |
| Participant contributions at end of year | 2011-12-31 | $5,055,213 |
| Participant contributions at beginning of year | 2011-12-31 | $4,699,208 |
| Participant contributions at end of year | 2011-12-31 | $20,985 |
| Participant contributions at beginning of year | 2011-12-31 | $461,742 |
| Assets. Other investments not covered elsewhere at end of year | 2011-12-31 | $58,501,787 |
| Assets. Other investments not covered elsewhere at beginning of year | 2011-12-31 | $54,862,587 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2011-12-31 | $2,670,954 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $262,435 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $121 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $534,763 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $404,286 |
| Administrative expenses (other) incurred | 2011-12-31 | $14,205 |
| Liabilities. Value of operating payables at end of year | 2011-12-31 | $6,798 |
| Liabilities. Value of operating payables at beginning of year | 2011-12-31 | $6,538 |
| Total non interest bearing cash at end of year | 2011-12-31 | $4,815 |
| Total non interest bearing cash at beginning of year | 2011-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2011-12-31 | No |
| Value of net income/loss | 2011-12-31 | $12,675,496 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $301,539,566 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $288,864,070 |
| 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 | $215,629,021 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2011-12-31 | $209,020,580 |
| Interest on participant loans | 2011-12-31 | $237,852 |
| Interest earned on other investments | 2011-12-31 | $1,566,281 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $8,559,592 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $6,661,824 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $6,661,824 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2011-12-31 | $11,405 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2011-12-31 | $-12,975,659 |
| 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 | Yes |
| Has the plan failed to provide any benefit when due under the plan | 2011-12-31 | No |
| Assets. Invements in employer securities at end of year | 2011-12-31 | $13,742,712 |
| Assets. Invements in employer securities at beginning of year | 2011-12-31 | $12,817,932 |
| Contributions received in cash from employer | 2011-12-31 | $5,817,939 |
| Employer contributions (assets) at end of year | 2011-12-31 | $302,494 |
| Employer contributions (assets) at beginning of year | 2011-12-31 | $736,347 |
| Income. Dividends from preferred stock | 2011-12-31 | $1,071 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2011-12-31 | $8,918,332 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2011-12-31 | No |
| Liabilities. Value of benefit claims payable at end of year | 2011-12-31 | $10,194 |
| Liabilities. Value of benefit claims payable 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 | $6,421,802 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $6,915,617 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2011-12-31 | No |
| Opinion of an independent qualified public accountant for this plan | 2011-12-31 | Qualified |
| Accountancy firm name | 2011-12-31 | MOHLER, NIXON & WILLIAMS |
| Accountancy firm EIN | 2011-12-31 | 770106234 |
| 2010 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $3,194,714 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $3,194,714 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $410,824 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $38,940 |
| Total income from all sources (including contributions) | 2010-12-31 | $57,909,261 |
| Total loss/gain on sale of assets | 2010-12-31 | $946,747 |
| Total of all expenses incurred | 2010-12-31 | $13,919,973 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2010-12-31 | $13,859,607 |
| Value of total corrective distributions | 2010-12-31 | $2,765 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2010-12-31 | $22,803,549 |
| Value of total assets at end of year | 2010-12-31 | $289,274,894 |
| Value of total assets at beginning of year | 2010-12-31 | $244,913,722 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $57,601 |
| Total interest from all sources | 2010-12-31 | $4,170,372 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $3,659,057 |
| 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 | $3,635,110 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2010-12-31 | $14,553 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2010-12-31 | $364,151 |
| 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 | Yes |
| 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 | $15,968,134 |
| Participant contributions at end of year | 2010-12-31 | $4,699,208 |
| Participant contributions at beginning of year | 2010-12-31 | $3,876,701 |
| Participant contributions at end of year | 2010-12-31 | $461,742 |
| Participant contributions at beginning of year | 2010-12-31 | $412,532 |
| Assets. Other investments not covered elsewhere at end of year | 2010-12-31 | $54,862,587 |
| Assets. Other investments not covered elsewhere at beginning of year | 2010-12-31 | $51,530,705 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2010-12-31 | $1,775,216 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $121 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $159 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $404,286 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $17,563 |
| Administrative expenses (other) incurred | 2010-12-31 | $31,979 |
| Liabilities. Value of operating payables at end of year | 2010-12-31 | $6,538 |
| Liabilities. Value of operating payables at beginning of year | 2010-12-31 | $6,377 |
| 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 | $43,989,288 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $288,864,070 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $244,874,782 |
| 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 |
| Investment advisory and management fees | 2010-12-31 | $25,622 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2010-12-31 | $209,020,580 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2010-12-31 | $172,864,872 |
| Interest on participant loans | 2010-12-31 | $220,161 |
| Interest earned on other investments | 2010-12-31 | $3,940,635 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $6,661,824 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $3,273,736 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $3,273,736 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2010-12-31 | $9,576 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2010-12-31 | $23,134,822 |
| 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 |
| Assets. Invements in employer securities at end of year | 2010-12-31 | $12,817,932 |
| Assets. Invements in employer securities at beginning of year | 2010-12-31 | $12,285,591 |
| Contributions received in cash from employer | 2010-12-31 | $5,060,199 |
| Employer contributions (assets) at end of year | 2010-12-31 | $736,347 |
| Employer contributions (assets) at beginning of year | 2010-12-31 | $305,275 |
| Income. Dividends from preferred stock | 2010-12-31 | $23,947 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2010-12-31 | $13,859,607 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2010-12-31 | Yes |
| Liabilities. Value of benefit claims payable at end of year | 2010-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2010-12-31 | $15,000 |
| Did the plan have assets held for investment | 2010-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2010-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2010-12-31 | No |
| Aggregate proceeds on sale of assets | 2010-12-31 | $11,669,658 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $10,722,911 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2010-12-31 | No |
| Opinion of an independent qualified public accountant for this plan | 2010-12-31 | Qualified |
| Accountancy firm name | 2010-12-31 | MOHLER, NIXON & WILLIAMS |
| Accountancy firm EIN | 2010-12-31 | 770106234 |
| 2009 : SAVINGS PLUS PLAN, LAM RESEARCH 401(K) 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 |
