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Lam Research
LRCX

1,878 hedge funds and large institutions have $103B invested in Lam Research in 2025 Q2 according to their latest regulatory filings, with 245 funds opening new positions, 744 increasing their positions, 667 reducing their positions, and 136 closing their positions.

New
Increased
Maintained
Reduced
Closed

80% more first-time investments, than exits

New positions opened: 245 | Existing positions closed: 136

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: 744 | Existing positions reduced: 667

5% more funds holding

Funds holding: 1,796 → 1,878 (+82)

1.01% more ownership

Funds ownership: 81.53% → 82.54% (+1%)

8% less call options, than puts

Call options by funds: $2.1B | Put options by funds: $2.28B

Holders
1,878
Holders Change
+82
Holders Change %
+4.57%
% of All Funds
24.73%
Holding in Top 10
49
Holding in Top 10 Change
+18
Holding in Top 10 Change %
+58.06%
% of All Funds
0.65%
New
245
Increased
744
Reduced
667
Closed
136
Calls
$2.1B
Puts
$2.28B
Net Calls
-$184M
Net Calls Change
-$255M

Top Buyers

Rank Fund Capital Flow
1
JP Morgan Chase
JP Morgan Chase
New York
+$404M
2
Goldman Sachs
Goldman Sachs
New York
+$351M
3
Nordea Investment Management
Nordea Investment Management
Sweden
+$214M
4
Artisan Partners
Artisan Partners
Wisconsin
+$204M
5
VOYA Investment Management
VOYA Investment Management
Georgia
+$188M

Top Sellers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
-$630M
2
Ameriprise
Ameriprise
Minnesota
-$300M
3
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
-$198M
4
BNP Paribas Asset Management
BNP Paribas Asset Management
France
-$159M
5
Wellington Management Group
Wellington Management Group
Massachusetts
-$144M
Name Holding Trade Value Shares
Change 		Change in
Stake
PBK
2001
Peoples Bank (Kansas)
Kansas
– -$7.27K -100 Closed
KTC
2002
Kentucky Trust Company
Kentucky
– -$4.36K -60 Closed
RWM
2003
Ruedi Wealth Management
Illinois
– -$4.36K -60 Closed
ETS
2004
ESL Trust Services
New York
– -$3.63K -50 Closed
GJIA
2005
Glass Jacobson Investment Advisors
Maryland
– -$3.11K -43 Closed
WW
2006
Winnow Wealth
Texas
– -$2.98K -42 Closed
AAG
2007
Accordant Advisory Group
Maryland
– -$2.54K -35 Closed
CAM
2008
Chesapeake Asset Management
New York
– -$2.18K -30 Closed
PAM
2009
Parvin Asset Management
South Dakota
– -$2.18K -30 Closed
PCM
2010
Perritt Capital Management
Illinois
– -$2.11K -29 Closed
CIAM
2011
Caitong International Asset Management
Hong Kong
– -$1.16K -16 Closed
IWM
2012
Inlight Wealth Management
Georgia
– -$436 -6 Closed
LWMI
2013
Legacy Wealth Management (Idaho)
Idaho
– -$291 -4 Closed
CAM
2014
Close Asset Management
United Kingdom
– +$109K +1,370 New
77 78 79 80
81

LRCX Hedge Fund Activity: Q2 2025 in Review

1,878 of the 7,595 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: 245 funds opened new LRCX positions and 136 closed out — a net gain of 109 holders — while 744 added to existing stakes and 667 trimmed.

The largest buyer was JP Morgan Chase, adding an estimated $404M. The largest seller was Fidelity Investments, cutting an estimated $630M.

  • 1,878 institutional investors held Lam Research (LRCX) as of Q2 2025, up from 1,796 in Q1 2025.
  • Funds reported $103B of Lam Research stock for Q2 2025, up 35% quarter-over-quarter.
  • 245 funds opened new Lam Research positions in Q2 2025 and 136 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.