LAM RESEARCH CORP LRCX
COM NEW · Common Stock · CUSIP 512807306 · ISIN US5128073062
- SectorIndustrials
- IndustrySpecial Industry Machinery, NEC
- HeadquartersFremont, CA
- Founded1980
- Websitelamresearch.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($732.0m this quarter). Holder counts are more reliable. Shares outstanding: 1.3bn as of 2025-08-07, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $97.31. Options: 64 managers hold calls ($2.2bn notional), 64 hold puts ($2.3bn).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 2 |
| Q4 2022 | 2 |
| Q1 2023 | 2 |
| Q2 2023 | 2 |
| Q3 2023 | 2 |
| Q4 2023 | 3 |
| Q1 2024 | 3 |
| Q2 2024 | 5 |
| Q3 2024 | 132 |
| Q4 2024 | 1,608 |
| Q1 2025 | 1,759 |
| Q2 2025 | 1,844 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2023 | 0 | 0 |
| Q4 2023 | 0 | 0 |
| Q1 2024 | 1 | 1 |
| Q2 2024 | 2 | 1 |
| Q3 2024 | 130 | 0 |
| Q4 2024 | 1,379 | 65 |
| Q1 2025 | 978 | 652 |
| Q2 2025 | 954 | 788 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $5.8m | $9.7m | 1.68 |
| Q4 2024 | $1.8bn | $2.3bn | 1.31 |
| Q1 2025 | $1.8bn | $1.7bn | 0.96 |
| Q2 2025 | $2.2bn | $2.3bn | 1.05 |
Biggest buyers
| JPMORGAN CHASE & CO | Added | +5.1m |
| ROYAL BANK OF CANADA | Added | +4.7m |
| GOLDMAN SACHS GROUP INC | Added | +4.4m |
| DNB Asset Management AS | New | +3.1m |
| NORDEA INVESTMENT MANAGEMENT AB | Added | +2.7m |
| Artisan Partners Limited Partnership | Added | +2.6m |
| COATUE MANAGEMENT LLC | Added | +2.3m |
| VAN ECK ASSOCIATES CORP | Added | +2.0m |
| VOYA INVESTMENT MANAGEMENT LLC | Added | +1.7m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Added | +1.6m |
Biggest sellers
| FMR LLC | Reduced | -7.9m |
| AMERIPRISE FINANCIAL INC | Reduced | -3.8m |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Reduced | -2.5m |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Reduced | -2.0m |
| Woodline Partners LP | Sold out | -2.0m |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | -1.8m |
| JANE STREET GROUP, LLC | Reduced | -1.7m |
| BlackRock, Inc. | Reduced | -1.6m |
| Capital Research Global Investors | Reduced | -1.4m |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Reduced | -1.4m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $479.0m4.9m shares |
| CITADEL ADVISORS LLC | Reduced | $226.6m2.3m shares |
| IMC-Chicago, LLC | Added | $163.2m1.7m shares |
| PEAK6 LLC | Added | $151.5m1.6m shares |
| Qube Research & Technologies Ltd | Added | $113.9m1.2m shares |
| MILLENNIUM MANAGEMENT LLC | Added | $113.7m1.2m shares |
| JANE STREET GROUP, LLC | Reduced | $89.2m916.2k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $83.9m862.1k shares |
| WOLVERINE TRADING, LLC | Reduced | $72.5m746.2k shares |
| Twin Tree Management, LP | Added | $70.5m724.1k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $427.8m4.4m shares |
| CITADEL ADVISORS LLC | Added | $254.2m2.6m shares |
| BNP PARIBAS FINANCIAL MARKETS | Added | $181.0m18.6k shares |
| IMC-Chicago, LLC | Added | $152.3m1.6m shares |
| JANE STREET GROUP, LLC | Reduced | $128.9m1.3m shares |
| MILLENNIUM MANAGEMENT LLC | Added | $119.8m1.2m shares |
| Qube Research & Technologies Ltd | Reduced | $100.6m1.0m shares |
| SIMPLEX TRADING, LLC | Added | $98.2m1.0m shares |
| BANK OF AMERICA CORP /DE/ | Added | $91.9m944.4k shares |
| Twin Tree Management, LP | Reduced | $84.5m868.4k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 7.5% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2023 | 0 | — | 4 | $12.9m | $567.0k |
| Q4 2023 | 0 | — | 3 | $15.3m | $13.5m |
| Q1 2024 | 0 | — | 7 | $30.1m | $27.7m |
| Q2 2024 | 0 | — | 6 | $37.6m | $36.4m |
| Q3 2024 | 0 | — | 2 | $2.4m | $2.4m |
| Q4 2024 | 0 | — | 2 | $653.7k | $528.9k |
| Q1 2025 | 0 | — | 1 | $9.9m | $9.9m |
| Q2 2025 | 1 | $602 | 0 | — | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-04-08 | Harter Ava Chief Legal Officer | Bought | $6029 shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.21% of their portfolio | 130.6m $12.7bn | Added +1.5m |
| BlackRock, Inc. 0.23% of their portfolio | 122.2m $11.9bn | Reduced -1.6m |
| STATE STREET CORP 0.22% of their portfolio | 59.6m $5.8bn | Added +629.7k |
| JPMORGAN CHASE & CO 0.27% of their portfolio | 40.6m $4.0bn | Added +5.1m |
| GEODE CAPITAL MANAGEMENT, LLC 0.23% of their portfolio | 33.8m $3.3bn | Added +1.1m |
| AMERIPRISE FINANCIAL INC 0.73% of their portfolio | 30.4m $3.0bn | Reduced -3.8m |
| FMR LLC 0.14% of their portfolio | 25.7m $2.5bn | Reduced -7.9m |
| NORGES BANK 0.24% of their portfolio | 19.5m $1.9bn | Reduced -305.6k |
| MORGAN STANLEY 0.12% of their portfolio | 19.1m $1.9bn | Reduced -1.3m |
| Invesco Ltd. 0.30% of their portfolio | 17.9m $1.7bn | Added +588.5k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.30% of their portfolio | 15.0m $1.5bn | Added +1.6m |
| NORTHERN TRUST CORP 0.20% of their portfolio | 14.6m $1.4bn | Reduced -303.8k |
| GOLDMAN SACHS GROUP INC 0.22% of their portfolio | 13.9m $1.4bn | Added +4.4m |
| BANK OF AMERICA CORP /DE/ 0.09% of their portfolio | 11.9m $1.2bn | Added +854.5k |
| Legal & General Group Plc 0.26% of their portfolio | 10.9m $1.1bn | Added +343.8k |
| Amundi 0.36% of their portfolio | 10.8m $1.0bn | Reduced -1.4m |
| Bank of New York Mellon Corp 0.20% of their portfolio | 10.6m $1.0bn | Reduced -508.2k |
| NORDEA INVESTMENT MANAGEMENT AB 0.95% of their portfolio | 10.6m $1.0bn | Added +2.7m |
| COATUE MANAGEMENT LLC 2.85% of their portfolio | 10.5m $1.0bn | Added +2.3m |
| UBS Group AG 0.20% of their portfolio | 9.9m $961.3m | Reduced -565.5k |
| Artisan Partners Limited Partnership 1.43% of their portfolio | 9.8m $958.8m | Added +2.6m |
| Grantham, Mayo, Van Otterloo & Co. LLC 2.85% of their portfolio | 9.7m $942.0m | Added +1.1m |
| Nuveen, LLC 0.25% of their portfolio | 9.2m $895.8m | Added +889.7k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.15% of their portfolio | 9.1m $881.6m | Added +165.8k |
| Pictet Asset Management Holding SA 0.87% of their portfolio | 8.8m $859.0m | Added +728.0k |
| ALKEON CAPITAL MANAGEMENT LLC 4.02% of their portfolio | 8.5m $827.8m | Added +550.0k |
| Winslow Capital Management, LLC 2.70% of their portfolio | 8.3m $808.9m | Added +540.3k |
| ROYAL BANK OF CANADA 0.07% of their portfolio | 7.9m $765.8m | Added +4.7m |
| BARCLAYS PLC 0.30% of their portfolio | 7.7m $753.3m | Added +1.3m |
| JANUS HENDERSON GROUP PLC 0.35% of their portfolio | 7.4m $722.4m | Added +30.5k |
| FIL Ltd 0.59% of their portfolio | 7.1m $691.9m | Added +170.0k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.08% of their portfolio | 6.9m $669.7m | Added +1.1m |
| CITADEL ADVISORS LLC 0.54% of their portfolio | 6.4m $620.0m | Reduced -283.7k |
| DIMENSIONAL FUND ADVISORS LP 0.14% of their portfolio | 6.4m $619.9m | Reduced -130.8k |
| FRANKLIN RESOURCES INC 0.16% of their portfolio | 6.4m $619.0m | Added +66.2k |
| VAN ECK ASSOCIATES CORP 0.68% of their portfolio | 6.1m $597.7m | Added +2.0m |
| CITIGROUP INC 0.39% of their portfolio | 5.8m $569.0m | Added +641.0k |
| WELLS FARGO & COMPANY/MN 0.12% of their portfolio | 5.8m $565.5m | Reduced -133.2k |
| TIGER GLOBAL MANAGEMENT LLC 1.50% of their portfolio | 5.3m $512.0m | Added +835.6k |
| DEUTSCHE BANK AG\ 0.17% of their portfolio | 4.9m $473.5m | Added +840.1k |
| Rafferty Asset Management, LLC 1.53% of their portfolio | 4.8m $462.8m | Added +1.2m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.14% of their portfolio | 4.5m $437.7m | Reduced -241.6k |
| BNP PARIBAS FINANCIAL MARKETS 0.32% of their portfolio | 4.3m $415.4m | Reduced -937.8k |
| Swiss National Bank 0.23% of their portfolio | 3.9m $378.2m | Added +256.7k |
| FIRST TRUST ADVISORS LP 0.30% of their portfolio | 3.8m $374.1m | Added +635.4k |
| ALLIANCEBERNSTEIN L.P. 0.12% of their portfolio | 3.7m $364.1m | Added +146.5k |
| ENVESTNET ASSET MANAGEMENT INC 0.10% of their portfolio | 3.5m $340.2m | Added +378.1k |
| National Pension Service 0.29% of their portfolio | 3.4m $333.1m | Added +238.8k |
| Sumitomo Mitsui Trust Group, Inc. 0.20% of their portfolio | 3.2m $315.0m | Added +47.5k |
| Boston Partners 0.35% of their portfolio | 3.2m $312.0m | Added +855.1k |
| Swedbank AB 0.34% of their portfolio | 3.1m $305.9m | First filing |
| DNB Asset Management AS 1.27% of their portfolio | 3.1m $305.7m | New |
| PNC Financial Services Group, Inc. 0.19% of their portfolio | 3.1m $299.3m | Added +20.2k |
| SEI INVESTMENTS CO 0.34% of their portfolio | 3.0m $296.8m | Added +451.6k |
| HSBC HOLDINGS PLC 0.19% of their portfolio | 3.0m $296.2m | Added +9.6k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.24% of their portfolio | 3.0m $294.4m | Added +234.4k |
| VOYA INVESTMENT MANAGEMENT LLC 0.29% of their portfolio | 3.0m $290.6m | Added +1.7m |
| TD Asset Management Inc 0.25% of their portfolio | 3.0m $287.4m | Added +248.6k |
| Bank Julius Baer & Co. Ltd, Zurich 0.80% of their portfolio | 2.8m $268.5m | Added +789.9k |
| RAYMOND JAMES FINANCIAL INC 0.09% of their portfolio | 2.7m $267.2m | Reduced -137.0k |
| OAKTOP CAPITAL MANAGEMENT II, L.P. 28.18% of their portfolio | 2.7m $262.0m | Unchanged |
| Capital Research Global Investors 0.05% of their portfolio | 2.6m $255.1m | Reduced -1.4m |
| RHUMBLINE ADVISERS 0.21% of their portfolio | 2.6m $249.4m | Reduced -33.9k |
| MONTRUSCO BOLTON INVESTMENTS INC. 2.71% of their portfolio | 2.6m $244.2m | Added +835.2k |
| NorthCoast Asset Management LLC 1.01% of their portfolio | 2.4m $236.8m | Added +54.3k |
| PRINCIPAL FINANCIAL GROUP INC 0.12% of their portfolio | 2.4m $233.1m | Reduced -1.7k |
| Allianz Asset Management GmbH 0.30% of their portfolio | 2.3m $225.5m | Added +89.1k |
| ProShare Advisors LLC 0.44% of their portfolio | 2.3m $220.6m | Added +97.7k |
| AMERICAN CENTURY COMPANIES INC 0.12% of their portfolio | 2.2m $214.5m | Added +566.5k |
| California Public Employees Retirement System 0.13% of their portfolio | 2.2m $211.2m | Reduced -586.6k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.18% of their portfolio | 2.2m $210.9m | Reduced -532.3k |
| NATIONAL BANK OF CANADA /FI/ 0.23% of their portfolio | 2.2m $209.8m | Added +241.8k |
| Epoch Investment Partners, Inc. 1.04% of their portfolio | 2.1m $200.2m | Added +182.1k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.22% of their portfolio | 2.0m $199.1m | Added +7.1k |
| MILLENNIUM MANAGEMENT LLC 0.17% of their portfolio | 1.9m $188.7m | Reduced -221.8k |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.33% of their portfolio | 1.9m $188.0m | Added +199.4k |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.49% of their portfolio | 1.9m $185.8m | Reduced -1.4m |
| VICTORY CAPITAL MANAGEMENT INC 0.12% of their portfolio | 1.9m $184.0m | Reduced -15.0k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.45% of their portfolio | 1.9m $183.2m | Reduced -2.0m |
| Blue Whale Capital LLP 11.98% of their portfolio | 1.9m $183.0m | Added +35.5k |
| NEUBERGER BERMAN GROUP LLC 0.14% of their portfolio | 1.9m $181.4m | Reduced -33.2k |
| Robeco Institutional Asset Management B.V. 0.29% of their portfolio | 1.9m $180.5m | Added +902.2k |
| M&G PLC 0.98% of their portfolio | 1.8m $178.1m | Added +1.3m |
| Corient Private Wealth LP 0.24% of their portfolio | 1.8m $177.5m | Reduced -20.9k |
| Heard Capital LLC 8.91% of their portfolio | 1.8m $170.6m | Reduced -153.9k |
| MACKENZIE FINANCIAL CORP 0.22% of their portfolio | 1.7m $169.4m | Added +175.0k |
| LORD, ABBETT & CO. LLC 0.54% of their portfolio | 1.7m $169.3m | Reduced -192.1k |
| Russell Investments Group, Ltd. 0.21% of their portfolio | 1.7m $166.1m | Reduced -488.2k |
| Bridgewater Associates, LP 0.64% of their portfolio | 1.6m $159.5m | Reduced -321.5k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.21% of their portfolio | 1.6m $156.6m | Added +1.5k |
| ACADIAN ASSET MANAGEMENT LLC 0.32% of their portfolio | 1.6m $155.0m | Added +1.4m |
| MARSHALL WACE, LLP 0.17% of their portfolio | 1.5m $146.2m | Added +655.6k |
| AQR CAPITAL MANAGEMENT LLC 0.12% of their portfolio | 1.5m $144.1m | Added +577.2k |
| Erste Asset Management GmbH 1.18% of their portfolio | 1.4m $140.4m | Added +181.3k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.23% of their portfolio | 1.4m $137.0m | Reduced -4.1k |
| BANK OF MONTREAL /CAN/ 0.07% of their portfolio | 1.4m $136.3m | Added +156.7k |
| Polar Capital Holdings Plc 0.71% of their portfolio | 1.4m $135.5m | New |
| PRUDENTIAL FINANCIAL INC 0.17% of their portfolio | 1.4m $133.4m | Added +51.0k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.12% of their portfolio | 1.4m $132.3m | Reduced -128.1k |
| DANSKE BANK A/S 0.32% of their portfolio | 1.3m $129.7m | Added +378.8k |