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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
NIM
801
Needham Investment Management
New York
$4.28M
WTC
802
WhitTier Trust Company
Nevada
$4.28M
MAM
803
Meeder Asset Management
Ohio
$4.25M
PA
804
PFG Advisors
Arizona
$4.24M
BG
805
BDF Gestion
France
$4.23M
BRG
806
Bay Rivers Group
Virginia
$4.21M
GJWM
807
Gilliland Jeter Wealth Management
Arkansas
$4.21M
HT
808
Heritage Trust
Oklahoma
$4.18M
SC
809
Syon Capital
California
$4.15M
OAM
810
Ostrum Asset Management
France
$4.11M
CWM
811
Circle Wealth Management
New Jersey
$4.09M
HA
812
Harfst & Associates
Wyoming
$4.09M
MC
813
Moors & Cabot
Massachusetts
$4.07M
CSP
814
Cary Street Partners
Virginia
$4.03M
AWA
815
Arete Wealth Advisors
Illinois
$4.02M
AG
816
Ascent Group
Virginia
$4M
WA
817
Waverly Advisors
Alabama
$3.97M
MHIC
818
Marble Harbor Investment Counsel
Massachusetts
$3.95M
GCM
819
Gunderson Capital Management
South Carolina
$3.95M
EHWM
820
Eads & Heald Wealth Management
Georgia
$3.94M
CSA
821
Cornerstone Select Advisors
Missouri
$3.92M
MFG
822
Magnus Financial Group
New York
$3.92M
LCM
823
Landscape Capital Management
New Jersey
$3.9M
PM
824
Phraction Management
Connecticut
$3.85M
TFS
825
Thoroughbred Financial Services
Tennessee
$3.83M