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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
GF
976
Gries Financial
Ohio
$855K
GAG
977
Goodman Advisory Group
Massachusetts
$853K
SNBOSCI
978
Security National Bank of Sioux City Iowa
Iowa
$852K
SFC
979
SYM Financial Corp
Indiana
$848K
AFT
980
Alpha Family Trust
California
$836K
TCB
981
Texas Capital Bancshares
Texas
$830K
AWC
982
Abundance Wealth Counselors
Pennsylvania
$830K
BMCM
983
Bryn Mawr Capital Management
Pennsylvania
$828K
PFA
984
Pathway Financial Advisers
Indiana
$821K
CF
985
Centaurus Financial
California
$821K
HWA
986
HMV Wealth Advisors
Louisiana
$820K
JWBC
987
J.W. Burns & Co
New York
$820K
OFS
988
Orrstown Financial Services
Pennsylvania
$820K
MIP
989
Marietta Investment Partners
Wisconsin
$818K
NRD
990
Nebula Research & Development
New York
$816K
SQA
991
Simon Quick Advisors
New Jersey
$815K
CCMG
992
Clark Capital Management Group
Pennsylvania
$815K
CAC
993
Core Alternative Capital
Georgia
$814K
WH
994
Willner & Heller
California
$812K
DO
995
denkapparat Operations
Germany
$811K
CCM
996
Crew Capital Management
Ohio
$809K
AWA
997
Aaron Wealth Advisors
Illinois
$807K
BWP
998
BSW Wealth Partners
Colorado
$801K
CB
999
CNB Bank
Pennsylvania
$798K
GPWM
1000
Grant Private Wealth Management
California
$797K