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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
PIM
951
Penobscot Investment Management
Massachusetts
$2.77M
MC
952
Middleton & Co
Massachusetts
$2.77M
GC
953
Gould Capital
Washington
$2.76M
FC
954
FORA Capital
Florida
$2.76M
TAM
955
Tealwood Asset Management
Minnesota
$2.75M
GIM
956
Goelzer Investment Management
Indiana
$2.75M
MWM
957
Meridian Wealth Management
Kentucky
$2.75M
MAM
958
Milestone Asset Management
Pennsylvania
$2.75M
GEA
959
Glen Eagle Advisors
New Jersey
$2.75M
WF
960
WinCap Financial
Massachusetts
$2.74M
TSWM
961
Triangle Securities Wealth Management
North Carolina
$2.72M
ST
962
Smithfield Trust
Pennsylvania
$2.72M
SFO
963
Stokes Family Office
Louisiana
$2.71M
CIC
964
Cornercap Investment Counsel
Georgia
$2.7M
BAM
965
Belpointe Asset Management
Nevada
$2.69M
AFG
966
Atomi Financial Group
New York
$2.67M
MWC
967
MBM Wealth Consultants
Missouri
$2.67M
PA
968
Perennial Advisors
New York
$2.66M
VA
969
Verdad Advisers
Massachusetts
$2.65M
SP
970
Sherman Porfolios
Idaho
$2.65M
TCOO
971
Trust Company of Oklahoma
Oklahoma
$2.64M
FGP
972
Foyston, Gordon, & Payne
Ontario, Canada
$2.64M
AC
973
AlphaCore Capital
California
$2.64M
DF
974
Donoghue Forlines
Massachusetts
$2.64M
OIA
975
OneDigital Investment Advisors
Kansas
$2.61M