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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
TSWM
851
Triangle Securities Wealth Management
North Carolina
$1.28M
WS
852
Wedbush Securities
California
$1.27M
AA
853
ALPS Advisors
Colorado
$1.27M
LFM
854
LGT Fund Management
Liechtenstein
$1.27M
SC
855
Syon Capital
California
$1.27M
IAN
856
Integrated Advisors Network
Texas
$1.27M
CSIC
857
Clifford Swan Investment Counsel
California
$1.27M
SDH
858
Sloy Dahl & Holst
Washington
$1.27M
AWCI
859
Alpine Woods Capital Investors
New York
$1.26M
PA
860
Procyon Advisors
Connecticut
$1.25M
AI
861
Arvest Investments
Arkansas
$1.24M
IWA
862
IBEX Wealth Advisors
New Jersey
$1.24M
HCM
863
Highview Capital Management
Illinois
$1.22M
CIC
864
Cornercap Investment Counsel
Georgia
$1.21M
DM
865
Delphi Management
Massachusetts
$1.21M
WF
866
WinCap Financial
Massachusetts
$1.21M
Kayne Anderson Rudnick Investment Management
867
Kayne Anderson Rudnick Investment Management
California
$1.21M
NCM
868
Noesis Capital Mangement
Florida
$1.2M
MOS
869
MGO One Seven
Ohio
$1.2M
CWP
870
Concord Wealth Partners
Virginia
$1.2M
GC
871
Gould Capital
Washington
$1.19M
NP
872
NorthRock Partners
Minnesota
$1.18M
SAW
873
Signal Advisors Wealth
Michigan
$1.18M
SCA
874
Snowden Capital Advisors
New York
$1.18M
MC
875
Middleton & Co
Massachusetts
$1.18M