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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
LF
226
Lansforsakringar Fondforvaltning
Sweden
$70M
WCM
227
Wedge Capital Management
North Carolina
$69.5M
Cetera Investment Advisers
228
Cetera Investment Advisers
Illinois
$68.3M
JAM
229
Jupiter Asset Management
United Kingdom
$68.3M
US Bancorp
230
US Bancorp
Minnesota
$67.9M
IG
231
ING Group
Netherlands
$66.3M
Marshall Wace
232
Marshall Wace
United Kingdom
$65M
Balyasny Asset Management
233
Balyasny Asset Management
Illinois
$64.9M
PA
234
Pinnacle Associates
New York
$64.8M
CM
235
Castleark Management
Illinois
$63.8M
Calamos Advisors
236
Calamos Advisors
Illinois
$62.7M
SOMRS
237
State of Michigan Retirement System
Michigan
$62.3M
X
238
Xponance
Pennsylvania
$62M
MIM
239
MetLife Investment Management
New Jersey
$61.9M
FAF
240
Fjarde Ap-fonden
Sweden
$61.3M
ASRS
241
Arizona State Retirement System
Arizona
$61.2M
Daiwa Securities Group
242
Daiwa Securities Group
Japan
$61.1M
Janney Montgomery Scott
243
Janney Montgomery Scott
Pennsylvania
$60.9M
Fisher Asset Management
244
Fisher Asset Management
Washington
$60.8M
BBVA
245
Banco Bilbao Vizcaya Argentaria
Spain
$60.4M
GAM
246
Guinness Asset Management
United Kingdom
$60.2M
CNB
247
Czech National Bank
Czech Republic
$56.7M
Capital Fund Management (CFM)
248
Capital Fund Management (CFM)
France
$56.3M
BC
249
Burney Company
Virginia
$55.9M
NC
250
Nicholas Company
Wisconsin
$55M