LAM RESEARCH CORP (LRCX): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in LRCX · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
53
13F filers
Aggregate Value
$20.4B
Across holders
Last Price
$310.17
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity26 increased26 reduced5 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 12.27M | $5.3B | 26.1% | 2.4% | Reduced | $-394.6M | Q2 2026 |
| COATUE MANAGEMENT LLC CIK 0001135730 | Hedge Fund | 9.44M | $4.1B | 20.1% | 8.4% | Reduced | $-3.6B | Q2 2026 |
| Grantham, Mayo, Van Otterloo & Co. LLC CIK 0001352662 | Institutional Manager | 5.46M | $2.4B | 11.6% | 5.3% | Reduced | $-623.8M | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 3.49M | $1.5B | 7.4% | 0.5% | Added | +$1.5B | Q2 2026 |
| TIGER GLOBAL MANAGEMENT LLC CIK 0001167483 | Hedge Fund | 3.16M | $1.4B | 6.7% | 5.7% | Reduced | $-319.3M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 1.42M | $615.8M | 3.0% | 0.1% | Added | $-1.1B | Q2 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 1.19M | $513.8M | 2.5% | 0.7% | Added | +$12.0M | Q2 2026 |
| SANDS CAPITAL MANAGEMENT, LLC CIK 0001020066 | Institutional Manager | 1.13M | $491.4M | 2.4% | 1.8% | Added | +$164.1M | Q2 2026 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 938K | $406.6M | 2.0% | 1.7% | Reduced | $-274.3M | Q2 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 777K | $336.8M | 1.7% | 0.5% | Reduced | +$327.2M | Q2 2026 |
Reduced
Hedge Fund
$5.3B· 26.1% of total· 2.4% port· 12.27M sh· $-394.6M QoQ· Q2 2026
Reduced
Hedge Fund
$4.1B· 20.1% of total· 8.4% port· 9.44M sh· $-3.6B QoQ· Q2 2026
Reduced
Institutional Manager
$2.4B· 11.6% of total· 5.3% port· 5.46M sh· $-623.8M QoQ· Q2 2026
Added
Hedge Fund
$1.5B· 7.4% of total· 0.5% port· 3.49M sh· +$1.5B QoQ· Q2 2026
Reduced
Hedge Fund
$1.4B· 6.7% of total· 5.7% port· 3.16M sh· $-319.3M QoQ· Q2 2026
Added
Hedge Fund
$615.8M· 3.0% of total· 0.1% port· 1.42M sh· $-1.1B QoQ· Q2 2026
Added
Hedge Fund
$513.8M· 2.5% of total· 0.7% port· 1.19M sh· +$12.0M QoQ· Q2 2026
Added
Institutional Manager
$491.4M· 2.4% of total· 1.8% port· 1.13M sh· +$164.1M QoQ· Q2 2026
Reduced
Hedge Fund
$406.6M· 2.0% of total· 1.7% port· 938K sh· $-274.3M QoQ· Q2 2026
Reduced
Hedge Fund
$336.8M· 1.7% of total· 0.5% port· 777K sh· +$327.2M QoQ· Q2 2026
Reduced
Hedge Fund
$321.8M· 1.6% of total· 2.6% port· 743K sh· $-93.3M QoQ· Q2 2026
Reduced
Hedge Fund
$309.9M· 1.5% of total· 0.3% port· 715K sh· +$162.2M QoQ· Q2 2026
Reduced
Hedge Fund
$301.8M· 1.5% of total· 0.1% port· 696K sh· $-386.6M QoQ· Q2 2026
Reduced
Hedge Fund
$232.3M· 1.1% of total· 0.3% port· 536K sh· +$203.4M QoQ· Q2 2026
Added
Hedge Fund
$170.8M· 0.8% of total· 1.7% port· 394K sh· — QoQ· Q2 2026
Added
Hedge Fund
$167.7M· 0.8% of total· 0.5% port· 387K sh· +$101.9M QoQ· Q2 2026
Unchanged
Hedge Fund
$165.7M· 0.8% of total· 2.1% port· 383K sh· +$0 QoQ· Q2 2026
Reduced
Hedge Fund
$164.1M· 0.8% of total· 0.1% port· 379K sh· $-11.1M QoQ· Q2 2026
Reduced
Institutional Manager
$148.2M· 0.7% of total· 0.0% port· 342K sh· $-7.6M QoQ· Q2 2026
Added
Hedge Fund
$137.6M· 0.7% of total· 0.3% port· 318K sh· +$98.3M QoQ· Q2 2026
Reduced
Hedge Fund
$119.9M· 0.6% of total· 0.3% port· 277K sh· $-9.1M QoQ· Q2 2026
Added
Hedge Fund
$113.8M· 0.6% of total· 0.2% port· 263K sh· $-386.6M QoQ· Q2 2026
Reduced
Hedge Fund
$102.8M· 0.5% of total· 0.4% port· 237K sh· $-9.8M QoQ· Q2 2026
Added
Hedge Fund
$102.5M· 0.5% of total· 1.9% port· 237K sh· +$98.4M QoQ· Q2 2026
Reduced
Hedge Fund
$97.6M· 0.5% of total· 0.1% port· 225K sh· $-553.4M QoQ· Q2 2026
Reduced
Hedge Fund
$89.4M· 0.4% of total· 0.0% port· 206K sh· $-277.7M QoQ· Q2 2026
Added
Hedge Fund
$80.6M· 0.4% of total· 0.6% port· 602K sh· +$19.8M QoQ· Q3 2025
Reduced
Hedge Fund
$68.6M· 0.3% of total· 0.3% port· 158K sh· $-88.0M QoQ· Q2 2026
Added
Hedge Fund
$67.4M· 0.3% of total· 1.0% port· 156K sh· +$54.0M QoQ· Q2 2026
Added
Hedge Fund
$60.5M· 0.3% of total· 0.2% port· 140K sh· +$52.7M QoQ· Q2 2026
Added
Hedge Fund
$58.3M· 0.3% of total· 0.0% port· 135K sh· +$58.2M QoQ· Q2 2026
Added
Hedge Fund
$40.9M· 0.2% of total· 0.2% port· 94K sh· +$40.1M QoQ· Q2 2026
Added
Hedge Fund
$30.7M· 0.2% of total· 0.1% port· 71K sh· +$14.8M QoQ· Q2 2026
Added
Hedge Fund
$30.4M· 0.1% of total· 0.1% port· 70K sh· $-15.3M QoQ· Q2 2026
Reduced
Hedge Fund
$22.2M· 0.1% of total· 0.2% port· 51K sh· $-172.4M QoQ· Q2 2026
Reduced
Hedge Fund
$19.2M· 0.1% of total· 0.0% port· 44K sh· $-37.8M QoQ· Q2 2026
Added
Family Office
$18.9M· 0.1% of total· 0.4% port· 44K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$15.0M· 0.1% of total· 0.0% port· 35K sh· +$14.8M QoQ· Q2 2026
Added
Hedge Fund
$13.7M· 0.1% of total· 0.0% port· 32K sh· +$12.2M QoQ· Q2 2026
Added
Hedge Fund
$12.7M· 0.1% of total· 0.1% port· 29K sh· $-7.6M QoQ· Q2 2026
Added
Hedge Fund
$9.8M· 0.0% of total· 0.3% port· 23K sh· — QoQ· Q2 2026
Added
Hedge Fund
$7.9M· 0.0% of total· 0.1% port· 18K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$6.9M· 0.0% of total· 0.1% port· 16K sh· $-27.3M QoQ· Q2 2026
Added
Hedge Fund
$6.0M· 0.0% of total· 0.0% port· 14K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$3.6M· 0.0% of total· 0.0% port· 8K sh· $-64.5M QoQ· Q2 2026
Reduced
Hedge Fund
$3.5M· 0.0% of total· 0.3% port· 9K sh· $-2.7M QoQ· Q2 2026
Added
Institutional Manager
$3.4M· 0.0% of total· 0.0% port· 8K sh· +$2.0M QoQ· Q2 2026
Added
Hedge Fund
$1.8M· 0.0% of total· 0.0% port· 4K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$1.7M· 0.0% of total· 0.0% port· 4K sh· $-2.1M QoQ· Q2 2026
Added
Hedge Fund
$1.3M· 0.0% of total· 0.2% port· 18K sh· — QoQ· Q1 2025
Reduced
Hedge Fund
$994K· 0.0% of total· 0.0% port· 2K sh· $-298K QoQ· Q2 2026
Reduced
Hedge Fund
$478K· 0.0% of total· 0.0% port· 1K sh· $-89.3M QoQ· Q2 2026
Added
Institutional Manager
$25K· 0.0% of total· 0.0% port· 58 sh· — QoQ· Q2 2026
1–10 of 53
1 / 6
Loading recent insider activity…