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| Keyboard |
| Lam Research Corp | |
|---|---|
| Ticker | LRCX |
| CIK # | 0000707549 |
| CUSIP | 512807108 |
| Sector | Technology - Special Industry Machinery, Nec |
| Address | 4650 Cushing Blvd, Fremont, CA 94538 |
| Source | [EDGAR] |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0000707549] | 10-K | |
| [0000707549] | 10-Q | |
| [0000707549] | 3 | |
| [0000707549] | 4 | |
| [0000707549] | 5 | |
| [0000707549] | 8-K | |
| [0000707549] | SC 13G |
| Form 13D/13G Filer | Form 13D/13G Subject | Filed | % Owned |
|---|---|---|---|
| Vanguard Capital Management LLC | Lam Research Corp | [2026-04-30] | 0.0 |
| Vanguard Group Inc | Lam Research Corp | [2025-04-07] | 0.0 |
| FMR LLC | Lam Research Corp | [2020-02-07] | 0.0 |
| BlackRock Inc | Lam Research Corp | [2018-02-08] | 7.0 |
| FMR LLC | Lam Research Corp | [2017-02-14] | 0.0 |
| Goldman Sachs Asset Management LP | Lam Research Corp | [2013-02-14] | 6.1 |
| Vanguard Group Inc | Lam Research Corp | [2013-02-13] | 6.15 |
| Ameriprise Financial Inc | Lam Research Corp | [2013-02-13] | 7.73 |
| AllianceBernstein LP | Lam Research Corp | [2012-02-14] | 8.1 |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Harter Ava
Common Stock
|
2026-03-27 | Tax withheld | 3,199 | $233.89 | 748,214 |
|
Vahedi Vahid
Common Stock
|
2026-03-27 | Tax withheld | 3,382 | $233.89 | 791,016 |
|
Talwalkar Abhijit Y
Common Stock
|
2026-03-10 | Gift | 4,571 | $0.00 | |
|
Bettinger Douglas R
Employee Stock Option (Right to Buy) · derivative
|
2026-03-04 | Option exercise | 51,270 | $0.00 | |
|
Bettinger Douglas R
Common Stock
|
2026-03-04 | Option exercise | 51,270 | $49.09 | 2,516,844 |
|
Bettinger Douglas R
Common Stock
|
2026-03-04 | Sell | 50,057 | $224.03 | 11,214,270 |
|
Bettinger Douglas R
Employee Stock Option (Right to Buy) · derivative
|
2026-03-04 | Option exercise | 26,480 | $0.00 | |
|
Harter Ava
Common Stock
|
2026-03-04 | Sell | 1,500 | $222.66 | 333,990 |
|
Bettinger Douglas R
Common Stock
|
2026-03-04 | Option exercise | 26,480 | $98.15 | 2,599,012 |
|
Bettinger Douglas R
Employee Stock Option (Right to Buy) · derivative
|
2026-03-02 | Option exercise | 16,620 | $0.00 | |
|
Bettinger Douglas R
Common Stock
|
2026-03-02 | Option exercise | 16,620 | $59.88 | 995,206 |
|
Bettinger Douglas R
Common Stock
|
2026-03-02 | Option exercise | 11,710 | $30.03 | 351,651 |
|
Bettinger Douglas R
Common Stock
|
2026-03-02 | Option exercise | 37,980 | $54.06 | 2,053,199 |
|
Bettinger Douglas R
Common Stock
|
2026-03-02 | Sell | 40,329 | $230.22 | 9,284,542 |
|
Bettinger Douglas R
Employee Stock Option (Right to Buy) · derivative
|
2026-03-02 | Option exercise | 37,980 | $0.00 | |
|
Bettinger Douglas R
Employee Stock Option (Right to Buy) · derivative
|
2026-03-02 | Option exercise | 11,710 | $0.00 | |
|
Harter Ava
Common Stock
|
2026-03-02 | Sell | 4,000 | $232.50 | 930,000 |
|
Archer Timothy
Common Stock
|
2026-02-27 | Tax withheld | 8,111 | $233.89 | 1,897,082 |
|
Archer Timothy
Common Stock
|
2026-02-27 | Grant | 51,053 | $0.00 | |
|
Varadarajan Seshasayee
Common Stock
|
2026-02-27 | Tax withheld | 3,168 | $233.89 | 740,964 |
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 2,640 | 1,033,984,384 |
| 2025-12-31 | 2,397 | 1,091,688,681 |
| 2025-09-30 | 2,121 | 1,064,575,178 |
| 2025-06-30 | 1,880 | 1,068,061,815 |
| 2025-03-31 | 1,801 | 1,059,087,963 |
| 2024-12-31 | 1,697 | 1,067,595,162 |
| 2024-09-30 | 1,482 | 103,518,747 |
| 2024-06-30 | 1,798 | 111,361,440 |
| 2024-03-31 | 1,734 | 116,033,896 |
| 2023-12-31 | 1,642 | 116,007,598 |
| 2023-09-30 | 1,447 | 109,402,374 |
| 2023-06-30 | 1,442 | 111,150,200 |