Lam Research
LRCX
2,651 hedge funds and large institutions have $221B invested in Lam Research in 2026 Q1 according to their latest regulatory filings, with 401 funds opening new positions, 900 increasing their positions, 1,081 reducing their positions, and 106 closing their positions.
278% more first-time investments, than exits
New positions opened: 401 | Existing positions closed: 106
24% more funds holding in top 10
Funds holding in top 10: 113 → 140 (+27)
20% more capital invested
Capital invested by funds: $184B → $221B (+$37.4B)
11% more funds holding
Funds holding: 2,396 → 2,651 (+255)
5% less call options, than puts
Call options by funds: $4.46B | Put options by funds: $4.68B
2.23% less ownership
Funds ownership: 85.44% → 83.21% (-2.2%)
17% less repeat investments, than reductions
Existing positions increased: 900 | Existing positions reduced: 1,081
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
+$2.06B |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$1.54B |
| 3 |
Jennison Associates
New York
|
+$564M |
| 4 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
+$451M |
| 5 |
California Public Employees Retirement System
Sacramento,
California
|
+$441M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
-$976M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$699M |
| 3 |
Artisan Partners
Milwaukee,
Wisconsin
|
-$653M |
| 4 |
Alkeon Capital Management
New York
|
-$563M |
| 5 |
Ameriprise
Minneapolis,
Minnesota
|
-$551M |
LRCX Hedge Fund Activity: Q1 2026 in Review
2,651 of the 8,208 institutional investors tracked by Wall St. Rank reported a position in Lam Research (LRCX) for Q1 2026, worth a combined $221B — up 20% from $184B a quarter earlier.
Buyers outnumbered sellers: 401 funds opened new LRCX positions and 106 closed out — a net gain of 295 holders — while 900 added to existing stakes and 1,081 trimmed.
The largest buyer was JP Morgan Chase, adding an estimated $2.06B. The largest seller was Goldman Sachs, cutting an estimated $976M.
- 2,651 institutional investors held Lam Research (LRCX) as of Q1 2026, up from 2,396 in Q4 2025.
- Funds reported $221B of Lam Research stock for Q1 2026, up 20% quarter-over-quarter.
- 401 funds opened new Lam Research positions in Q1 2026 and 106 closed out, a net change of +295 holders.
- The largest Lam Research buyer in Q1 2026 was JP Morgan Chase, an estimated $2.06B added.
- The largest Lam Research seller in Q1 2026 was Goldman Sachs, an estimated $976M sold.
Based on aggregated 13F filings for Q1 2026.