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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.

New
Increased
Maintained
Reduced
Closed

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)

Holders
1,797
Holders Change
+106
Holders Change %
+6.27%
% of All Funds
24.09%
Holding in Top 10
31
Holding in Top 10 Change
+8
Holding in Top 10 Change %
+34.78%
% of All Funds
0.42%
New
269
Increased
738
Reduced
548
Closed
140
Calls
$1.79B
Puts
$1.72B
Net Calls
+$71.5M
Net Calls Change
+$633M

Top Buyers

Rank Fund Capital Flow
1
Vanguard Group
Vanguard Group
Pennsylvania
+$659M
2
JP Morgan Chase
JP Morgan Chase
New York
+$636M
3
Nordea Investment Management
Nordea Investment Management
Sweden
+$622M
4
Coatue Management
Coatue Management
New York
+$328M
5
Citadel Advisors
Citadel Advisors
Florida
+$278M

Top Sellers

Rank Fund Capital Flow
1
Fisher Asset Management
Fisher Asset Management
Washington
-$1.39B
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$507M
3
Two Sigma Advisers
Two Sigma Advisers
New York
-$294M
4
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$282M
5
Norges Bank
Norges Bank
Norway
-$255M
Name Holding Trade Value Shares
Change 		Change in
Stake
TNAM
726
Terra Nova Asset Management
New York
$1.98M +$1.22M +15,528 +133%
LCM
727
Landscape Capital Management
New Jersey
$1.97M -$847K -10,761 -28%
WI
728
WBI Investments
New Jersey
$1.96M +$764K +9,697 +56%
WTFG
729
Wood Tarver Financial Group
Idaho
$1.95M – – –
GWM
730
Glass Wealth Management
Texas
$1.93M -$5.12K -65 -0.2%
DWM
731
Darwin Wealth Management
Florida
$1.92M – – –
GJWM
732
Gilliland Jeter Wealth Management
Arkansas
$1.92M +$2.08M +26,355 New
PWMAG
733
Pinnacle Wealth Management Advisory Group
New Jersey
$1.9M +$460K +5,835 +29%
KPWS
734
Kestra Private Wealth Services
Texas
$1.89M -$363K -4,609 -15%
BCIM
735
Black Creek Investment Management
Ontario, Canada
$1.87M +$2.03M +25,781 New
TCOO
736
Trust Company of Oklahoma
Oklahoma
$1.87M – – –
YC
737
Yarbrough Capital
Tennessee
$1.87M +$1.04M +13,161 +105%
PA
738
Perennial Advisors
New York
$1.87M -$41.3K -525 -2%
OGC
739
Oak Grove Capital
New Hampshire
$1.87M +$2.02M +25,700 New
VI
740
Vestcor Inc
New Brunswick, Canada
$1.86M +$159K +2,022 +9%
MYAM
741
Meiji Yasuda Asset Management
Japan
$1.85M -$90.5K -1,149 -4%
MFG
742
Merit Financial Group
Georgia
$1.85M +$303K +3,845 +18%
CCG
743
Cypress Capital Group
Florida
$1.85M -$81.5K -1,035 -4%
AFM
744
Aspetuck Financial Management
Connecticut
$1.84M – – –
RWM
745
Ritholtz Wealth Management
New York
$1.84M +$2M +25,336 New
QI
746
Qtron Investments
Massachusetts
$1.84M +$113K +1,432 +6%
GMFG
747
Greater Midwest Financial Group
Minnesota
$1.82M +$168K +2,133 +9%
NIM
748
Needham Investment Management
New York
$1.82M – – –
KI
749
Keystone Investors
Singapore
$1.8M +$1.95M +24,718 New
WB
750
Webster Bank
Connecticut
$1.79M +$1.94M +24,686 New
28 29
30
31 32

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.