Lam Research
LRCX
1,883 hedge funds and large institutions have $103B invested in Lam Research in 2025 Q2 according to their latest regulatory filings, with 244 funds opening new positions, 748 increasing their positions, 669 reducing their positions, and 135 closing their positions.
81% more first-time investments, than exits
New positions opened: 244 | Existing positions closed: 135
58% more funds holding in top 10
Funds holding in top 10: 31 → 49 (+18)
35% more capital invested
Capital invested by funds: $76B → $103B (+$26.7B)
12% more repeat investments, than reductions
Existing positions increased: 748 | Existing positions reduced: 669
4% more funds holding
Funds holding: 1,802 → 1,883 (+81)
1% more ownership
Funds ownership: 81.54% → 82.54% (+1%)
8% less call options, than puts
Call options by funds: $2.1B | Put options by funds: $2.28B
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
+$404M |
| 2 |
Goldman Sachs
New York
|
+$351M |
| 3 |
Nordea Investment Management
Stockholm,
Sweden
|
+$214M |
| 4 |
Artisan Partners
Milwaukee,
Wisconsin
|
+$204M |
| 5 |
VOYA Investment Management
Atlanta,
Georgia
|
+$188M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$630M |
| 2 |
Ameriprise
Minneapolis,
Minnesota
|
-$300M |
| 3 |
Jacobs Levy Equity Management
Florham Park,
New Jersey
|
-$198M |
| 4 |
BNP Paribas Asset Management
Paris,
France
|
-$159M |
| 5 |
Wellington Management Group
Boston,
Massachusetts
|
-$144M |
LRCX Hedge Fund Activity: Q2 2025 in Review
1,883 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in Lam Research (LRCX) for Q2 2025, worth a combined $103B — up 35% from $76B a quarter earlier.
Buyers outnumbered sellers: 244 funds opened new LRCX positions and 135 closed out — a net gain of 109 holders — while 748 added to existing stakes and 669 trimmed.
The largest buyer was JP Morgan Chase, adding an estimated $404M. The largest seller was Fidelity Investments, cutting an estimated $630M.
- 1,883 institutional investors held Lam Research (LRCX) as of Q2 2025, up from 1,802 in Q1 2025.
- Funds reported $103B of Lam Research stock for Q2 2025, up 35% quarter-over-quarter.
- 244 funds opened new Lam Research positions in Q2 2025 and 135 closed out, a net change of +109 holders.
- The largest Lam Research buyer in Q2 2025 was JP Morgan Chase, an estimated $404M added.
- The largest Lam Research seller in Q2 2025 was Fidelity Investments, an estimated $630M sold.
Based on aggregated 13F filings for Q2 2025.