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Lam Research

1,775 hedge funds and large institutions have $74.2B invested in Lam Research in 2025 Q1 according to their latest regulatory filings, with 270 funds opening new positions, 727 increasing their positions, 541 reducing their positions, and 138 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

4% more call options, than puts

Call options by funds: $1.79B | Put options by funds: $1.72B

0.45% less ownership

Funds ownership: 80.1%79.65% (-0.45%)

0% less capital invested

Capital invested by funds: $74.6B → $74.2B (-$361M)

Holders
1,775
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
31
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.79B
Puts
$1.72B
Net Calls
Net Calls Change

Top Buyers

1 +$608M
2 +$587M
3 +$562M
4
Coatue Management
Coatue Management
New York
+$303M
5
Citadel Advisors
Citadel Advisors
Florida
+$257M

Top Sellers

1 -$1.28B
2 -$468M
3 -$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
Change in
Stake
TNA
651
True North Advisors
Texas
$2.52M
Brown Advisory
652
Brown Advisory
Maryland
$2.52M
TWC
653
TD Waterhouse Canada
Ontario, Canada
$2.5M
MCM
654
MV Capital Management
Maryland
$2.5M
WC
655
Westhampton Capital
North Carolina
$2.49M
FAN
656
Financial Advisors Network
California
$2.49M
Bessemer Group
657
Bessemer Group
New Jersey
$2.48M
PGAM
658
Princeton Global Asset Management
New Jersey
$2.46M
BFS
659
Bard Financial Services
Connecticut
$2.45M
FRA
660
Frank Rimerman Advisors
California
$2.45M
TIAA Trust, National Association
661
TIAA Trust, National Association
North Carolina
$2.45M
LCM
662
Laurion Capital Management
New York
$2.43M
FGP
663
Foyston, Gordon, & Payne
Ontario, Canada
$2.42M
WI
664
Wahed Invest
New York
$2.4M
SFG
665
SevenBridge Financial Group
Pennsylvania
$2.4M
S
666
SignatureFD
Georgia
$2.35M
MFGM
667
Marshall Financial Group (Maryland)
Maryland
$2.34M
CAMG
668
CWA Asset Management Group
Florida
$2.33M
ROP
669
Rule One Partners
Georgia
$2.33M
LSA
670
L & S Advisors
California
$2.3M
NEI
671
Northwest & Ethical Investments
Ontario, Canada
$2.29M
PCM
672
Palouse Capital Management
Washington
$2.29M
FBFS
673
First Business Financial Services
Wisconsin
$2.29M
CB
674
Community Bank
New York
$2.29M
HCM
675
Howard Capital Management
Georgia
$2.27M