Lam Research
LRCX
2,396 hedge funds and large institutions have $184B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 459 funds opening new positions, 768 increasing their positions, 899 reducing their positions, and 125 closing their positions.
267% more first-time investments, than exits
New positions opened: 459 | Existing positions closed: 125
38% more funds holding in top 10
Funds holding in top 10: 82 → 113 (+31)
35% more capital invested
Capital invested by funds: $136B → $184B (+$47.4B)
14% more funds holding
Funds holding: 2,110 → 2,396 (+286)
4.67% more ownership
Funds ownership: 80.78% → 85.44% (+4.7%)
15% less repeat investments, than reductions
Existing positions increased: 768 | Existing positions reduced: 899
29% less call options, than puts
Call options by funds: $4.3B | Put options by funds: $6.05B
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Invesco
Atlanta,
Georgia
|
+$4.64B |
| 2 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$1.66B |
| 3 |
BlackRock
New York
|
+$1.56B |
| 4 |
Franklin Resources
San Mateo,
California
|
+$571M |
| 5 |
Fidelity Investments
Boston,
Massachusetts
|
+$518M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
-$1B |
| 2 |
Nordea Investment Management
Stockholm,
Sweden
|
-$608M |
| 3 |
Barclays
London,
United Kingdom
|
-$507M |
| 4 |
Artisan Partners
Milwaukee,
Wisconsin
|
-$417M |
| 5 |
Pictet Asset Management
Carouge,
Switzerland
|
-$406M |
LRCX Hedge Fund Activity: Q4 2025 in Review
2,396 of the 8,284 institutional investors tracked by Wall St. Rank reported a position in Lam Research (LRCX) for Q4 2025, worth a combined $184B — up 35% from $136B a quarter earlier.
Buyers outnumbered sellers: 459 funds opened new LRCX positions and 125 closed out — a net gain of 334 holders — while 768 added to existing stakes and 899 trimmed.
The largest buyer was Invesco, adding an estimated $4.64B. The largest seller was JP Morgan Chase, cutting an estimated $1B.
- 2,396 institutional investors held Lam Research (LRCX) as of Q4 2025, up from 2,110 in Q3 2025.
- Funds reported $184B of Lam Research stock for Q4 2025, up 35% quarter-over-quarter.
- 459 funds opened new Lam Research positions in Q4 2025 and 125 closed out, a net change of +334 holders.
- The largest Lam Research buyer in Q4 2025 was Invesco, an estimated $4.64B added.
- The largest Lam Research seller in Q4 2025 was JP Morgan Chase, an estimated $1B sold.
Based on aggregated 13F filings for Q4 2025.