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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
TAM
601
Telemark Asset Management
Massachusetts
$8.56M
FFA
602
Farther Finance Advisors
California
$8.52M
CIA
603
Capital Investment Advisors
Georgia
$8.46M
MAM
604
Martingale Asset Management
Massachusetts
$8.42M
HAM
605
Harber Asset Management
North Carolina
$8.32M
FWP
606
FAS Wealth Partners
Kansas
$8.31M
HCS
607
Himension Capital (Singapore)
Singapore
$8.28M
HCA
608
Harbour Capital Advisors
Virginia
$8.09M
SCP
609
Seizert Capital Partners
Michigan
$8.08M
ATIA
610
American Trust Investment Advisors
New Hampshire
$8.07M
EWA
611
EP Wealth Advisors
California
$8M
AI
612
Axecap Investments
Ohio
$7.97M
MK
613
MASTERINVEST Kapitalanlage
$7.94M
CWM
614
Calamos Wealth Management
Illinois
$7.94M
SSI
615
Scott & Selber Inc
Texas
$7.86M
KeyBank National Association
616
KeyBank National Association
Ohio
$7.85M
BHWM
617
Bar Harbor Wealth Management
New Hampshire
$7.84M
ATC
618
Argent Trust Co
Tennessee
$7.79M
JGCM
619
Joseph Group Capital Management
Ohio
$7.79M
B
620
Bailard
California
$7.79M
CI
621
Cavalier Investments
Georgia
$7.78M
EF
622
Empirical Finance
Pennsylvania
$7.72M
KA
623
Kintegral Advisory
New York
$7.67M
BCV
624
Banque Cantonale Vaudoise
Switzerland
$7.67M
TMAM
625
Tokio Marine Asset Management
Japan
$7.65M