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Lam Research

2,347 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 427 funds opening new positions, 763 increasing their positions, 890 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:

3.54% 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
2,347
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
Natixis Advisors
151
Natixis Advisors
Massachusetts
$126M
Stifel Financial
152
Stifel Financial
Missouri
$126M
MIG
153
Mariner Investment Group
New York
$126M
HA
154
Homestead Advisers
Virginia
$123M
Northwestern Mutual Wealth Management
155
Northwestern Mutual Wealth Management
Wisconsin
$122M
VARA
156
Value Aligned Research Advisors
New Jersey
$121M
NIM
157
NEOS Investment Management
Connecticut
$120M
AIM
158
Achmea Investment Management
Netherlands
$118M
Pacer Advisors
159
Pacer Advisors
Pennsylvania
$118M
Royal London Asset Management
160
Royal London Asset Management
United Kingdom
$118M
State of Wisconsin Investment Board
161
State of Wisconsin Investment Board
Wisconsin
$117M
CRM
162
Cardano Risk Management
Netherlands
$116M
Creative Planning
163
Creative Planning
Kansas
$115M
Asset Management One
164
Asset Management One
Japan
$115M
EAM
165
Eventide Asset Management
Massachusetts
$115M
Handelsbanken Fonder
166
Handelsbanken Fonder
Sweden
$113M
D.E. Shaw & Co
167
D.E. Shaw & Co
New York
$112M
Mercer Global Advisors
168
Mercer Global Advisors
Colorado
$111M
Chevy Chase Trust
169
Chevy Chase Trust
Maryland
$111M
Parnassus Investments
170
Parnassus Investments
California
$111M
KK
171
KLP Kapitalforvaltning
Norway
$109M
MC
172
Maverick Capital
Texas
$108M
Teacher Retirement System of Texas
173
Teacher Retirement System of Texas
Texas
$108M
APG Asset Management
174
APG Asset Management
Netherlands
$107M
Baird Financial Group
175
Baird Financial Group
Wisconsin
$106M