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Lam Research

2,333 hedge funds and large institutions have $182B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 419 funds opening new positions, 760 increasing their positions, 888 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:

3.14% more ownership

Funds ownership: 80.68%83.83% (+3.1%)

14% less repeat investments, than reductions

Existing positions increased: 760 | Existing positions reduced: 888

29% less call options, than puts

Call options by funds: $4.3B | Put options by funds: $6.04B

Holders
2,333
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
Adage Capital Partners
101
Adage Capital Partners
Massachusetts
$221M
TI
102
Tidal Investments
Wisconsin
$217M
Two Sigma Investments
103
Two Sigma Investments
New York
$215M
Skandinaviska Enskilda Banken (SEB)
104
Skandinaviska Enskilda Banken (SEB)
Sweden
$214M
DB
105
Danske Bank
Denmark
$205M
CAM
106
Close Asset Management
United Kingdom
$204M
EAM
107
Erste Asset Management
Austria
$202M
SEI Investments
108
SEI Investments
Pennsylvania
$197M
MGP
109
M&G plc
United Kingdom
$196M
State Board of Administration of Florida Retirement System
110
State Board of Administration of Florida Retirement System
Florida
$195M
1832 Asset Management
111
1832 Asset Management
Ontario, Canada
$195M
HPC
112
HM Payson & Co
Maine
$192M
PAM
113
Panagora Asset Management
Massachusetts
$190M
Millennium Management
114
Millennium Management
New York
$190M
Aviva
115
Aviva
United Kingdom
$186M
Los Angeles Capital Management
116
Los Angeles Capital Management
California
$185M
New York State Teachers Retirement System (NYSTRS)
117
New York State Teachers Retirement System (NYSTRS)
New York
$184M
Korea Investment Corp
118
Korea Investment Corp
South Korea
$182M
MMH
119
Menora Mivtachim Holdings
Israel
$181M
CS
120
Candriam SCA
Luxembourg
$178M
RPI
121
Railway Pension Investments
United Kingdom
$178M
DnB Asset Management
122
DnB Asset Management
Norway
$177M
Manulife (Manufacturers Life Insurance)
123
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$174M
HighTower Advisors
124
HighTower Advisors
Illinois
$174M
PPF
125
PFA Pension Forsikringsaktieselskab
$173M