Lam Research
LRCX
1,797 hedge funds and large institutions have $76B invested in Lam Research in 2025 Q1 according to their latest regulatory filings, with 269 funds opening new positions, 738 increasing their positions, 548 reducing their positions, and 140 closing their positions.
92% more first-time investments, than exits
New positions opened: 269 | Existing positions closed: 140
35% more funds holding in top 10
Funds holding in top 10: 23 → 31 (+8)
35% more repeat investments, than reductions
Existing positions increased: 738 | Existing positions reduced: 548
6% more funds holding
Funds holding: 1,691 → 1,797 (+106)
1.06% more ownership
Funds ownership: 80.47% → 81.53% (+1.1%)
4% more call options, than puts
Call options by funds: $1.79B | Put options by funds: $1.72B
1% more capital invested
Capital invested by funds: $74.9B → $76B (+$1.05B)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$659M |
| 2 |
JP Morgan Chase
New York
|
+$636M |
| 3 |
Nordea Investment Management
Stockholm,
Sweden
|
+$622M |
| 4 |
Coatue Management
New York
|
+$328M |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$278M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fisher Asset Management
Camas,
Washington
|
-$1.39B |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
-$507M |
| 3 |
Two Sigma Advisers
New York
|
-$294M |
| 4 |
Janus Henderson Group
London,
United Kingdom
|
-$282M |
| 5 |
Norges Bank
Oslo,
Norway
|
-$255M |
LRCX Hedge Fund Activity: Q1 2025 in Review
1,797 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Lam Research (LRCX) for Q1 2025, worth a combined $76B — up 1.4% from $74.9B a quarter earlier.
Buyers outnumbered sellers: 269 funds opened new LRCX positions and 140 closed out — a net gain of 129 holders — while 738 added to existing stakes and 548 trimmed.
The largest buyer was Vanguard Group, adding an estimated $659M. The largest seller was Fisher Asset Management, cutting an estimated $1.39B.
- 1,797 institutional investors held Lam Research (LRCX) as of Q1 2025, up from 1,691 in Q4 2024.
- Funds reported $76B of Lam Research stock for Q1 2025, up 1.4% quarter-over-quarter.
- 269 funds opened new Lam Research positions in Q1 2025 and 140 closed out, a net change of +129 holders.
- The largest Lam Research buyer in Q1 2025 was Vanguard Group, an estimated $659M added.
- The largest Lam Research seller in Q1 2025 was Fisher Asset Management, an estimated $1.39B sold.
Based on aggregated 13F filings for Q1 2025.