Lam Research
LRCX
2,630 hedge funds and large institutions have $221B invested in Lam Research in 2026 Q1 according to their latest regulatory filings, with 395 funds opening new positions, 894 increasing their positions, 1,074 reducing their positions, and 104 closing their positions.
280% more first-time investments, than exits
New positions opened: 395 | Existing positions closed: 104
24% more funds holding in top 10
Funds holding in top 10: 113 → 140 (+27)
18% more capital invested
Capital invested by funds: $188B → $221B (+$33.6B)
10% more funds holding
Funds holding: 2,386 → 2,630 (+244)
5% less call options, than puts
Call options by funds: $4.46B | Put options by funds: $4.68B
2.96% less ownership
Funds ownership: 86.14% → 83.17% (-3%)
17% less repeat investments, than reductions
Existing positions increased: 894 | Existing positions reduced: 1,074
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 |
Corient Private Wealth
Miami,
Florida
|
-$1.19B |
| 2 |
Goldman Sachs
New York
|
-$976M |
| 3 |
JSC
J. Stern & Co
London,
United Kingdom
|
-$769M |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$699M |
| 5 |
Artisan Partners
Milwaukee,
Wisconsin
|
-$653M |
LRCX Hedge Fund Activity: Q1 2026 in Review
2,630 of the 8,128 institutional investors tracked by Wall St. Rank reported a position in Lam Research (LRCX) for Q1 2026, worth a combined $221B — up 18% from $188B a quarter earlier.
Buyers outnumbered sellers: 395 funds opened new LRCX positions and 104 closed out — a net gain of 291 holders — while 894 added to existing stakes and 1,074 trimmed.
The largest buyer was JP Morgan Chase, adding an estimated $2.06B. The largest seller was Corient Private Wealth, cutting an estimated $1.19B.
- 2,630 institutional investors held Lam Research (LRCX) as of Q1 2026, up from 2,386 in Q4 2025.
- Funds reported $221B of Lam Research stock for Q1 2026, up 18% quarter-over-quarter.
- 395 funds opened new Lam Research positions in Q1 2026 and 104 closed out, a net change of +291 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 Corient Private Wealth, an estimated $1.19B sold.
Based on aggregated 13F filings for Q1 2026.