Canonical: https://ownershiptrace.com/13f/companies/282 # Who owns LAM RESEARCH CORP (LRCX)? Elite investor 13F holders 19 tracked elite investors reported holding LAM RESEARCH CORP as of 2026-06-30, including GMO, Tiger Global Management, Bridgewater Associates, Polen Capital Management, D.E. Shaw. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings. 19 tracked investors currently reported holding · Latest report period: 2026-06-30 · Industrials · Capital Goods Lam Research Corporation designs, manufactures, markets, refurbishes, and services semiconductor processing equipment used in the fabrication of integrated circuits in the United States, China, Korea, Taiwan, Japan, Southeast Asia, and Europe. The company offers ALTUS systems to deposit conformal or selective films for tungsten or molybdenum metallization applications; SABRE electrochemical… ## Reported holders and securities, including exits (up to 20) | Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | [GMO](https://ownershiptrace.com/13f/investors/94674) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 2368030518.00 USD | 5464726.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1352662/0001072613-26-000636-index.html) | | [Tiger Global Management](https://ownershiptrace.com/13f/investors/15) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 1370837288.00 USD | 3163495.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1167483/0000919574-26-005427-index.html) | | [Bridgewater Associates](https://ownershiptrace.com/13f/investors/8) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 406560606.00 USD | 938224.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1350694/0001350694-26-000003-index.html) | | [Polen Capital Management](https://ownershiptrace.com/13f/investors/61) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-04 00:00:00 | 372246307.00 USD | 859036.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1034524/0001172661-26-003035-index.html) | | [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 89449712.00 USD | 206424.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) | | [Altimeter Capital Management](https://ownershiptrace.com/13f/investors/78737) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 170766686.00 USD | 394080.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1541617/0001541617-26-000008-index.html) | | [Appaloosa Management](https://ownershiptrace.com/13f/investors/27) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 165748725.00 USD | 382500.000000 | Shares | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/1656456/0001656456-26-000003-index.html) | | [Gotham Asset Management](https://ownershiptrace.com/13f/investors/94672) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 119915411.00 USD | 276730.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1510387/0001398344-26-014644-index.html) | | [Tudor Investment](https://ownershiptrace.com/13f/investors/94675) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 19245052.00 USD | 44412.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/923093/0000902664-26-003485-index.html) | | [Third Point](https://ownershiptrace.com/13f/investors/22) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1040273/0001040273-26-000003-index.html) | | [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 13693228.00 USD | 31600.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) | | [Anson Funds](https://ownershiptrace.com/13f/investors/117) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 5849955.00 USD | 13500.000000 | Shares | — | [Original filing](https://www.sec.gov/Archives/edgar/data/1491072/0001193125-26-349150-index.html) | | [GAMCO](https://ownershiptrace.com/13f/investors/137) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 3409874.00 USD | 7869.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/807249/0001140361-26-032508-index.html) | | [Maverick Capital](https://ownershiptrace.com/13f/investors/50) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 1769286.00 USD | 4083.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/934639/0000947871-26-000793-index.html) | | [Ancora Advisors / Ancora Holdings](https://ownershiptrace.com/13f/investors/101) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 1680432.00 USD | 3878.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1446114/0001446114-26-000012-index.html) | | [Davis Advisors](https://ownershiptrace.com/13f/investors/18) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-11 00:00:00 | 1204657.00 USD | 2780.000000 | Shares | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/1036325/0001036325-26-000020-index.html) | | [Causeway Capital Management](https://ownershiptrace.com/13f/investors/69) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 353597.00 USD | 816.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1165797/0000945621-26-001052-index.html) | | [Mairs & Power Funds](https://ownershiptrace.com/13f/investors/54) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 331497.00 USD | 765.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1070134/0001172661-26-003496-index.html) | | [Rockbridge Asset Management](https://ownershiptrace.com/13f/investors/94670) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-10 00:00:00 | 316331.00 USD | 730.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) | | [Check Capital Management](https://ownershiptrace.com/13f/investors/89) | LAM RESEARCH CORP | SHARE | 2026-06-30 | 2026-08-03 00:00:00 | 216665.00 USD | 500.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1032814/0001032814-26-000005-index.html) | Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero. This public summary shows the default reporting scope. Enable JavaScript for interactive filters, charts, and additional rows. [How to read the data](https://ownershiptrace.com/docs#reading-the-data) · [Disclaimer](https://ownershiptrace.com/disclaimer)