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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
WPC
876
Wedmont Private Capital
Pennsylvania
$1.17M
SF
877
Synovus Financial
Georgia
$1.17M
SL
878
Salomon & Ludwin
Virginia
$1.15M
GEA
879
Glen Eagle Advisors
New Jersey
$1.15M
AWA
880
Alta Wealth Advisors
Massachusetts
$1.15M
MWC
881
MBM Wealth Consultants
Missouri
$1.15M
CIA
882
Concurrent Investment Advisors
Florida
$1.14M
ST
883
Smithfield Trust
Pennsylvania
$1.14M
KOC
884
Koss-Olinger Consulting
Florida
$1.14M
EFS
885
Econ Financial Services
Pennsylvania
$1.12M
TFS
886
Thoroughbred Financial Services
Tennessee
$1.12M
TE
887
Tema ETFs
New York
$1.12M
VFA
888
Valeo Financial Advisors
Indiana
$1.11M
XT
889
XTX Topco
Cayman Islands
$1.1M
CPIG
890
Chicago Partners Investment Group
Illinois
$1.09M
CK
891
Cohen Klingenstein
New York
$1.09M
DWM
892
Dakota Wealth Management
Florida
$1.09M
KIM
893
Kane Investment Management
California
$1.08M
GVAG
894
Great Valley Advisor Group
Delaware
$1.08M
TAM
895
Trust Asset Management
Texas
$1.08M
FPCP
896
Fort Point Capital Partners
California
$1.08M
BJL
897
Brighton Jones LLC
Washington
$1.08M
EWA
898
Encompass Wealth Advisors
Oregon
$1.08M
PMA
899
Prudent Man Advisors
Illinois
$1.07M
A
900
AlphaQuest
New York
$1.07M