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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
SAM
676
Secure Asset Management
Michigan
$2.27M
MCA
677
Martin Capital Advisors
Texas
$2.27M
CI
678
CX Institutional
Indiana
$2.27M
P
679
&Partners
Tennessee
$2.27M
DC
680
Davenport & Co
Virginia
$2.26M
GIM
681
Groesbeck Investment Management
New Jersey
$2.25M
AWM
682
Apollon Wealth Management
South Carolina
$2.23M
Empower Advisory Group
683
Empower Advisory Group
Colorado
$2.23M
PS
684
Principal Securities
Iowa
$2.22M
SSI
685
Scott & Selber Inc
Texas
$2.21M
JSC
686
Jackson Square Capital
California
$2.2M
ACA
687
Atlas Capital Advisors
Wyoming
$2.2M
GSWM
688
Greenup Street Wealth Management
Michigan
$2.19M
USAA
689
United Services Automobile Association
Texas
$2.19M
AC
690
Asio Capital
Kentucky
$2.18M
CAI
691
Capital Advisors Inc
Oklahoma
$2.18M
TCOV
692
Trust Company of Vermont
Vermont
$2.17M
RBC
693
Romano Brothers & Co
Illinois
$2.16M
OL
694
one8zero8 LLC
North Carolina
$2.15M
GI
695
GAMMA Investing
California
$2.14M
SC
696
Savant Capital
Illinois
$2.12M
MC
697
Matisse Capital
Oregon
$2.12M
RSWM
698
Robertson Stephens Wealth Management
California
$2.11M
RMC
699
Resources Management Corp
Connecticut
$2.11M
SHFA
700
SS&H Financial Advisors
Michigan
$2.1M