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Lam Research

2,334 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
2,334
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
CBUSF
126
Construction & Building Unions Superannuation Fund
Australia
$172M
Aberdeen Group
127
Aberdeen Group
United Kingdom
$172M
CAPTRUST Financial Advisors
128
CAPTRUST Financial Advisors
North Carolina
$171M
KBC Group
129
KBC Group
Belgium
$167M
QCM
130
Quantinno Capital Management
New York
$164M
Mirae Asset Global ETFs Holdings
131
Mirae Asset Global ETFs Holdings
Hong Kong
$159M
Mariner
132
Mariner
Kansas
$158M
Squarepoint
133
Squarepoint
New York
$153M
Ensign Peak Advisors
134
Ensign Peak Advisors
Utah
$153M
GC
135
Guggenheim Capital
Illinois
$153M
Mitsubishi UFJ Trust & Banking
136
Mitsubishi UFJ Trust & Banking
Japan
$152M
Treasurer of the State of North Carolina
137
Treasurer of the State of North Carolina
North Carolina
$150M
Bank of Nova Scotia
138
Bank of Nova Scotia
Ontario, Canada
$148M
Macquarie Group
139
Macquarie Group
Australia
$146M
Jennison Associates
140
Jennison Associates
New York
$145M
NCM
141
Nearwater Capital Markets
Ireland
$140M
Connor, Clark & Lunn Investment Management (CC&L)
142
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$138M
ABC
143
Associated Banc-Corp
Wisconsin
$133M
EIP
144
Epoch Investment Partners
New York
$132M
ZIG
145
Zurich Insurance Group
Switzerland
$131M
SLAM
146
Swiss Life Asset Management
$129M
Toronto Dominion Bank
147
Toronto Dominion Bank
Ontario, Canada
$129M
TA
148
Trivest Advisors
Hong Kong
$128M
NC
149
NZS Capital
Colorado
$127M
Natixis Advisors
150
Natixis Advisors
Massachusetts
$126M