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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
PA
751
Perennial Advisors
New York
$2.4M -$83.3K -1,050 -4%
AA
752
Altman Advisors
Illinois
$2.4M +$20.2K +255 +1%
EA
753
Ellsworth Advisors
Ohio
$2.39M +$195K +2,460 +11%
CSP
754
Cary Street Partners
Virginia
$2.39M +$48.6K +613 +3%
BTI
755
Blue Trust Inc
Georgia
$2.39M +$393K +4,950 +25%
EWM
756
Empirical Wealth Management
Washington
$2.38M -$330K -4,157 -15%
1WA
757
180 Wealth Advisors
Washington
$2.36M -$18.6K -234 -1%
CPRC
758
Consolidated Portfolio Review Corp
New York
$2.36M +$184K +2,316 +11%
NWM
759
NRI Wealth Management
California
$2.35M +$69.9K +881 +4%
EHWM
760
Eads & Heald Wealth Management
Georgia
$2.35M +$64.6K +814 +3%
MAM
761
Morse Asset Management
Connecticut
$2.32M +$23.8K +300 +1%
IWM
762
IHT Wealth Management
Illinois
$2.32M +$29.5K +372 +2%
DT
763
Diversified Trust
Tennessee
$2.31M +$31.4K +396 +2%
CSA
764
Cornerstone Select Advisors
Missouri
$2.3M -$42.7K -538 -2%
MHIC
765
Marble Harbor Investment Counsel
Massachusetts
$2.28M – – –
GWSG
766
GPS Wealth Strategies Group
Colorado
$2.27M +$80.4K +1,014 +5%
LA
767
LBP AM
France
$2.26M +$1.24M +15,577 +203%
IWA
768
Icon Wealth Advisors
Texas
$2.26M +$59.6K +751 +3%
OAM
769
Oppenheimer Asset Management
New York
$2.25M +$1.54M +19,445 +529%
HT
770
Heritage Trust
Oklahoma
$2.24M -$38.1K -481 -2%
IWA
771
Invera Wealth Advisors
Oregon
$2.24M -$28.1K -354 -2%
Jane Street
772
Jane Street
New York
$2.22M -$134M -1,685,621 -99%
MFG
773
Magnus Financial Group
New York
$2.22M +$159 +2 +0%
RCA
774
Runnymede Capital Advisors
Ohio
$2.21M – – –
CCG
775
Cloverfields Capital Group
Minnesota
$2.21M +$103K +1,300 +6%
29 30
31
32 33

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.