Popularity #95Ex-dividend in 1d · $0.33
Lam Research (LRCX)
Makes deposition, etch, clean, and dry-resist tools for semiconductor fabs.
$311.72
After hours+0.82 (+0.26%)
At close$310.90(+2.85%)
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13F · 13D/G · Form 4
| Institutions | 86.45% | 1.08B shares | |
|---|---|---|---|
| 3,237 holders · as of Jun 30, 2026 | |||
| Insiders | 0.28% | 3.55M shares | |
| 20 holders · as of Sep 10, 2026 | |||
| Other | 13.27% | 165.91M shares | |
| remainder | |||
1.25B company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
13F, as of Jun 30, 2026
3,237 holders · 1.08B shares · 630 new positions · 1,697 increased · 1,165 reduced · 131 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 132.73M | 10.61% | −124.5K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 81.68M | 6.53% | +527.9K | Aug 13, 2026 |
| State Street Corp | 60.70M | 4.85% | +1.55M | Aug 7, 2026 |
| Invesco Ltd. | 52.32M | 4.18% | +26.11M | Aug 14, 2026 |
| JPMorgan Chase & Co | 45.32M | 3.62% | +12.60M | Aug 12, 2026 |
| Vanguard Portfolio Management LLC | 36.64M | 2.93% | −425.4K | Aug 13, 2026 |
| Geode Capital Management, LLC | 34.51M | 2.76% | −669.7K | Aug 12, 2026 |
| FMR LLC | 33.68M | 2.69% | +103.0K | Aug 13, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Vanguard Capital Management | 7.49% | 93.58M | 13G | Apr 30, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 9, 2026 | Bethany Mayerdirector | Sale | 9,557 | $314.74 | 20,995 |
| Sep 9, 2026 | Timothy Archerofficer: President and CEO | Sale | 30,000 | $319.26 | 1,075,966 |
| Sep 2, 2026 | Seshasayee Varadarajanofficer: Senior Vice President | Sale | 27,480 | $291.32 | 205,546 |
| Aug 31, 2026 | Ava Harterofficer: Chief Legal Officer | Sale | 5,000 | $302.46 | 42,462 |
| Aug 6, 2026 | Timothy Archerofficer: President and CEO | Sale | 30,000 | $300.00 | 1,075,966 |
| Jul 13, 2026 | Abhijit Y. Talwalkardirector | Sale | 18,282 | $335.00 | 87,142 |
| Jul 2, 2026 | Timothy Archerofficer: President and CEO | Sale | 30,000 | $390.01 | 1,075,966 |
| Jun 11, 2026 | Eric Brandtdirector | Sale · 26 lots | 54,500 | $350.80 | 199,205 |
| Jun 12, 2026 | Eric Brandtdirector | Sale · 17 lots | 54,500 | $367.18 | 144,705 |
| Jun 1, 2026 | Neil J. Fernandesofficer: Senior Vice President | Sale | 7,659 | $309.60 | 58,470 |
House and Senate disclosures
| Member | Type | Amount | Owner | Traded | Disclosed |
|---|---|---|---|---|---|
| Sen. Sheldon Whitehouse · RI | Sale | $1,001 – $15,000 | Spouse | Aug 13, 2026 | Sep 2, 2026 |
| Rep. David Taylor · OH02 | Sale | $1,001 – $15,000 | Jun 5, 2026 | Jun 15, 2026 | |
| Rep. David Taylor · OH02 | Sale | $1,001 – $15,000 | Apr 27, 2026 | May 8, 2026 | |
| Rep. David Taylor · OH02 | Sale | $1,001 – $15,000 | Apr 27, 2026 | May 8, 2026 | |
| Sen. John Boozman · AR | Sale | $1,001 – $15,000 | Joint | Jan 8, 2026 | Feb 15, 2026 |