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Lam Research
LRCX

Overview Fund Activity

1,774 hedge funds and large institutions have $74.2B invested in Lam Research in 2025 Q1 according to their latest regulatory filings, with 269 funds opening new positions, 727 increasing their positions, 542 reducing their positions, and 137 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,774
Holders Change
+104
Holders Change %
+6.23%
% of All Funds
24.1%
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
727
Reduced
542
Closed
137
Calls
$1.79B
Puts
$1.72B
Net Calls
+$71.5M
Net Calls Change
+$633M

Top Buyers

1
Vanguard Group
Vanguard Group
Pennsylvania
+$608M
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$587M
3
Nordea Investment Management
Nordea Investment Management
Sweden
+$562M
4
Coatue Management
Coatue Management
New York
+$303M
5
Citadel Advisors
Citadel Advisors
Florida
+$257M

Top Sellers

1
Fisher Asset Management
Fisher Asset Management
Washington
-$1.28B
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$468M
3
Two Sigma Advisers
Two Sigma Advisers
New York
-$271M
4
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$260M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$234M
Name Holding Trade Value Shares
Change 		Shares
Change %
Aberdeen Group
126
Aberdeen Group
United Kingdom
$67.9M -$25.8M -362,569 -28%
NC
127
NZS Capital
Colorado
$67.7M -$1.06M -14,613 -2%
Fisher Asset Management
128
Fisher Asset Management
Washington
$66.8M -$1.28B -17,659,058 -95%
CVA
129
Ceredex Value Advisors
Florida
$66.4M +$25.5M +351,440 +63%
AQR Capital Management
130
AQR Capital Management
Connecticut
$64.5M +$25M +352,264 +63%
WorldQuant Millennium Advisors
131
WorldQuant Millennium Advisors
New York
$63.6M -$18.6M -255,391 -23%
GT
132
Glenmede Trust
Pennsylvania
$63.5M -$499K -6,868 -0.8%
SSA
133
Schonfeld Strategic Advisors
New York
$63.3M +$32.5M +447,401 +106%
Mitsubishi UFJ Trust & Banking
134
Mitsubishi UFJ Trust & Banking
Japan
$63.2M -$3.87M -53,182 -6%
Assenagon Asset Management
135
Assenagon Asset Management
Luxembourg
$63.1M -$114M -1,563,839 -64%
State of Wisconsin Investment Board
136
State of Wisconsin Investment Board
Wisconsin
$61.9M +$2.12M +29,151 +4%
Marshall Wace
137
Marshall Wace
United Kingdom
$61.5M +$61.5M +846,462 New
Jennison Associates
138
Jennison Associates
New York
$61.4M -$2.28M -31,396 -4%
AIM
139
Achmea Investment Management
Netherlands
$61.4M +$41.8M +574,561 +213%
Public Sector Pension Investment Board (PSP Investments)
140
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$61.2M +$47.7M +656,751 +355%
CS
141
Candriam SCA
Luxembourg
$60.6M +$10.8M +148,202 +22%
PAM
142
Panagora Asset Management
Massachusetts
$59.7M -$105M -1,449,860 -64%
KBC Group
143
KBC Group
Belgium
$58.2M -$41.5M -570,359 -42%
GC
144
Guggenheim Capital
Illinois
$58.2M -$3.9M -53,709 -6%
ClearBridge Investments
145
ClearBridge Investments
New York
$56.2M +$25.6M +351,821 +83%
Parnassus Investments
146
Parnassus Investments
California
$56.2M -$5.45M -75,025 -9%
Los Angeles Capital Management
147
Los Angeles Capital Management
California
$54M +$11M +151,261 +26%
EAM
148
Eventide Asset Management
Massachusetts
$53.6M +$12.8M +175,985 +31%
Westfield Capital Management
149
Westfield Capital Management
Massachusetts
$53.5M -$37.8M -520,350 -41%
Royal London Asset Management
150
Royal London Asset Management
United Kingdom
$53.4M +$4.99M +68,572 +10%
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