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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
EPW
651
Evolve Private Wealth
California
$7.12M
MC
652
MIG Capital
California
$7.12M
PIM
653
Progressive Investment Management
Oregon
$7.11M
QCG
654
Quadrant Capital Group
Ohio
$7M
FTWA
655
Fifth Third Wealth Advisors
Ohio
$6.98M
AWM
656
Apollon Wealth Management
South Carolina
$6.94M
DCA
657
DSG Capital Advisors
Minnesota
$6.93M
BC
658
Birchview Capital
Vermont
$6.9M
NMIMC
659
Northwestern Mutual Investment Management Company
Wisconsin
$6.87M
AC
660
Asio Capital
Kentucky
$6.85M
VFM
661
Viking Fund Management
North Dakota
$6.85M
AWA
662
Artemis Wealth Advisors
New York
$6.85M
PIMJS
663
PKO Investment Management Joint-Stock
Poland
$6.85M
CTC
664
Cetera Trust Company
Minnesota
$6.83M
TCA
665
Trifecta Capital Advisors
Illinois
$6.82M
FAM
666
Fred Alger Management
New York
$6.77M
UB
667
Umpqua Bank
Oregon
$6.77M
CFA
668
Camarda Financial Advisors
Florida
$6.76M
MAS
669
Meeder Advisory Services
Ohio
$6.74M
TCM
670
Traynor Capital Management
Pennsylvania
$6.73M
IB
671
Intrust Bank
Kansas
$6.72M
CIP
672
Convergence Investment Partners
Florida
$6.72M
MWM
673
Mission Wealth Management
California
$6.7M
SAM
674
Synergy Asset Management
Washington
$6.7M
MMG
675
Monetary Management Group
Missouri
$6.7M