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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
MIM
226
MetLife Investment Management
New Jersey
$50.2M
ASRS
227
Arizona State Retirement System
Arizona
$50M
SOMRS
228
State of Michigan Retirement System
Michigan
$49.8M
CI Investments Inc
229
CI Investments Inc
Ontario, Canada
$49.6M
AL
230
Appaloosa LP
New Jersey
$49.5M
CIBC World Market
231
CIBC World Market
Ontario, Canada
$49.1M
Lido Advisors
232
Lido Advisors
California
$49M
Janney Montgomery Scott
233
Janney Montgomery Scott
Pennsylvania
$48.9M
Voloridge Investment Management
234
Voloridge Investment Management
Florida
$48.8M
FAF
235
Fjarde Ap-fonden
Sweden
$48.2M
X
236
Xponance
Pennsylvania
$47.7M
PCM
237
Penserra Capital Management
California
$47.3M
Allspring Global Investments
238
Allspring Global Investments
North Carolina
$46.3M
Daiwa Securities Group
239
Daiwa Securities Group
Japan
$45.9M
SGM
240
Skye Global Management
Florida
$45.8M
Calamos Advisors
241
Calamos Advisors
Illinois
$45M
CAG
242
Crestwood Advisors Group
Massachusetts
$43.8M
CNB
243
Czech National Bank
Czech Republic
$43M
BBVA
244
Banco Bilbao Vizcaya Argentaria
Spain
$42.6M
Wealth Enhancement Advisory Services
245
Wealth Enhancement Advisory Services
Minnesota
$42.2M
CVA
246
Ceredex Value Advisors
Florida
$42.2M
MGIA
247
Moneta Group Investment Advisors
Missouri
$42.1M
TI
248
Trexquant Investment
Connecticut
$42.1M
Thrivent Financial for Lutherans
249
Thrivent Financial for Lutherans
Minnesota
$40.9M
COPPSERS
250
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$40.7M