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Lam Research

2,095 hedge funds and large institutions have $136B invested in Lam Research in 2025 Q3 according to their latest regulatory filings, with 348 funds opening new positions, 761 increasing their positions, 727 reducing their positions, and 93 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:

5% more repeat investments, than reductions

Existing positions increased: 761 | Existing positions reduced: 727

1.77% less ownership

Funds ownership: 82.45%80.68% (-1.8%)

16% less call options, than puts

Call options by funds: $2.73B | Put options by funds: $3.24B

Holders
2,095
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
82
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.73B
Puts
$3.24B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Parnassus Investments
151
Parnassus Investments
California
$93.8M
Northwestern Mutual Wealth Management
152
Northwestern Mutual Wealth Management
Wisconsin
$93.8M
Royal London Asset Management
153
Royal London Asset Management
United Kingdom
$93.6M
State of Wisconsin Investment Board
154
State of Wisconsin Investment Board
Wisconsin
$93.2M
IG
155
ING Group
Netherlands
$91.1M
APG Asset Management
156
APG Asset Management
Netherlands
$90.7M
Natixis Advisors
157
Natixis Advisors
Massachusetts
$89.6M
Boston Partners
158
Boston Partners
Massachusetts
$88.9M
JAM
159
Jupiter Asset Management
United Kingdom
$88.3M
Chevy Chase Trust
160
Chevy Chase Trust
Maryland
$87.6M
KK
161
KLP Kapitalforvaltning
Norway
$87.4M
Squarepoint
162
Squarepoint
New York
$86.7M
Baird Financial Group
163
Baird Financial Group
Wisconsin
$86.5M
Federated Hermes
164
Federated Hermes
Pennsylvania
$83.6M
Mercer Global Advisors
165
Mercer Global Advisors
Colorado
$83.5M
WCM
166
Wedge Capital Management
North Carolina
$83.3M
VDI
167
Vaughan David Investments
Illinois
$81.9M
Handelsbanken Fonder
168
Handelsbanken Fonder
Sweden
$81.8M
DZ Bank
169
DZ Bank
Germany
$80.9M
PI
170
PineBridge Investments
New York
$80.6M
TCA
171
Teewinot Capital Advisers
New York
$80.5M
Asset Management One
172
Asset Management One
Japan
$80.2M
VRS
173
Virginia Retirement Systems
Virginia
$80.1M
Pacer Advisors
174
Pacer Advisors
Pennsylvania
$79.4M
Ohio Public Employees Retirement System (OPERS)
175
Ohio Public Employees Retirement System (OPERS)
Ohio
$79.4M