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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 123 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
SFS
876
Sowell Financial Services
Arkansas
$3.31M
RSWM
877
Robertson Stephens Wealth Management
California
$3.31M
LS
878
Leelyn Smith
Illinois
$3.31M
HCA
879
Harbor Capital Advisors
Illinois
$3.29M
KCIC
880
Kuhn & Co Investment Counsel
Illinois
$3.29M
WANY
881
Wealthspire Advisors (New York)
New York
$3.28M
PA
882
Parallel Advisors
California
$3.27M
NCM
883
Noesis Capital Mangement
Florida
$3.27M
FPAS
884
Focus Partners Advisor Solutions
Missouri
$3.24M
TGIA
885
Torrey Growth & Income Advisors
California
$3.24M
TAM
886
Tocqueville Asset Management
New York
$3.23M
BCM
887
Bridgeway Capital Management
Texas
$3.22M
EH
888
Equitable Holdings
New York
$3.22M
TNBTD
889
Trustmark National Bank Trust Department
Mississippi
$3.21M
WS
890
Wedbush Securities
California
$3.21M
MC
891
Matisse Capital
Oregon
$3.21M
QI
892
Qtron Investments
Massachusetts
$3.19M
PL
893
Perpetual Ltd
Australia
$3.19M
PS
894
Pensionfund Sabic
Netherlands
$3.18M
DWM
895
Darwin Wealth Management
Florida
$3.18M
SWM
896
Shelton Wealth Management
Texas
$3.15M
SL
897
Salomon & Ludwin
Virginia
$3.15M
PAM
898
Paradigm Asset Management
New York
$3.13M
KFAS
899
Keating Financial Advisory Services
Kansas
$3.13M
PSB
900
Passumpsic Savings Bank
Vermont
$3.12M