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Lam Research

2,350 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 430 funds opening new positions, 763 increasing their positions, 890 reducing their positions, and 122 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 capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

3.54% more ownership

Funds ownership: 80.68%84.23% (+3.5%)

14% less repeat investments, than reductions

Existing positions increased: 763 | Existing positions reduced: 890

29% less call options, than puts

Call options by funds: $4.3B | Put options by funds: $6.04B

Holders
2,350
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
113
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$4.3B
Puts
$6.04B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
PAI
501
Pittenger & Anderson Inc
Nebraska
$12.5M
SI
502
Sava Infond
Slovenia
$12.5M
IFWM
503
Institute for Wealth Management
Colorado
$12.4M
HIMCH
504
Hartford Investment Management Co (HIMCO)
Connecticut
$12.4M
JSSH
505
J. Safra Sarasin Holding
$12.4M
CM
506
Cercano Management
Washington
$12.4M
TW
507
TritonPoint Wealth
Maryland
$12.4M
MR
508
Munich Reinsurance
$12.3M
MCB
509
Morton Community Bank
Illinois
$12.3M
HWAM
510
Hennion & Walsh Asset Management
New Jersey
$12.2M
CS
511
Clear Street
New York
$12.1M
EI
512
EFG International
$12.1M
BSL
513
Blue Sparrow LLC
Delaware
$12.1M
JG
514
Jain Global
New York
$11.9M
Luther King Capital Management (LKCM)
515
Luther King Capital Management (LKCM)
Texas
$11.7M
TWC
516
TD Waterhouse Canada
Ontario, Canada
$11.7M
LOAMS
517
Lombard Odier Asset Management (Switzerland)
Switzerland
$11.7M
WT
518
Whittier Trust
California
$11.7M
EWM
519
Empirical Wealth Management
Washington
$11.6M
ESC
520
Eurizon SLJ Capital
$11.5M
PAS
521
Professional Advisory Services
Florida
$11.5M
WHG
522
Westwood Holdings Group
Texas
$11.4M
MFG
523
Merit Financial Group
Georgia
$11.4M
CB
524
Commerce Bank
Missouri
$11.2M
ZDA
525
Zweig-DiMenna Associates
New York
$11.2M