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Lam Research

2,379 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 447 funds opening new positions, 767 increasing their positions, 896 reducing their positions, and 125 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:

3.16% more ownership

Funds ownership: 80.71%83.87% (+3.2%)

14% less repeat investments, than reductions

Existing positions increased: 767 | Existing positions reduced: 896

29% less call options, than puts

Call options by funds: $4.3B | Put options by funds: $6.05B

Holders
2,379
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
$6.05B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
PI
226
PineBridge Investments
New York
$70.7M
LF
227
Lansforsakringar Fondforvaltning
Sweden
$70M
WCM
228
Wedge Capital Management
North Carolina
$69.5M
Cetera Investment Advisers
229
Cetera Investment Advisers
Illinois
$68.3M
JAM
230
Jupiter Asset Management
United Kingdom
$68.3M
US Bancorp
231
US Bancorp
Minnesota
$67.9M
IG
232
ING Group
Netherlands
$66.3M
Marshall Wace
233
Marshall Wace
United Kingdom
$65M
Balyasny Asset Management
234
Balyasny Asset Management
Illinois
$64.9M
PA
235
Pinnacle Associates
New York
$64.8M
CM
236
Castleark Management
Illinois
$63.8M
Calamos Advisors
237
Calamos Advisors
Illinois
$62.7M
SOMRS
238
State of Michigan Retirement System
Michigan
$62.3M
X
239
Xponance
Pennsylvania
$62M
MIM
240
MetLife Investment Management
New Jersey
$61.9M
FAF
241
Fjarde Ap-fonden
Sweden
$61.3M
ASRS
242
Arizona State Retirement System
Arizona
$61.2M
Daiwa Securities Group
243
Daiwa Securities Group
Japan
$61.1M
Janney Montgomery Scott
244
Janney Montgomery Scott
Pennsylvania
$60.9M
Fisher Asset Management
245
Fisher Asset Management
Washington
$60.8M
BBVA
246
Banco Bilbao Vizcaya Argentaria
Spain
$60.4M
GAM
247
Guinness Asset Management
United Kingdom
$60.2M
CNB
248
Czech National Bank
Czech Republic
$56.7M
Capital Fund Management (CFM)
249
Capital Fund Management (CFM)
France
$56.3M
BC
250
Burney Company
Virginia
$55.9M