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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
APW
2376
Atlantic Private Wealth
North Carolina
$856
QT
2377
Quantbot Technologies
New York
$685
ACM
2378
Anfield Capital Management
California
$685
RJA
2379
Ross\Johnson & Associates
Minnesota
$342
MI
2380
Motiv8 Investments
Florida
$101
CP
2381
Camelot Portfolios
Ohio
$30
DK
2382
DJE Kapital
Germany
TCA
2383
Teewinot Capital Advisers
New York
EF
2384
Empowered Funds
Pennsylvania
AMH
2385
Aspex Management (HK)
Hong Kong
Voloridge Investment Management
2386
Voloridge Investment Management
Florida
SGM
2387
Skye Global Management
Florida
CVA
2388
Ceredex Value Advisors
Florida
TI
2389
Trexquant Investment
Connecticut
SS
2390
Spinecap SAS
France
Hudson Bay Capital Management
2391
Hudson Bay Capital Management
Connecticut
ACM
2392
Aquatic Capital Management
Illinois
VIM
2393
Vinva Investment Management
Australia
OBAM
2394
ODDO BHF Asset Management
France
GH
2395
GAM Holding
Switzerland
SC
2396
SummitTX Capital
Texas
EPFB
2397
Employees Provident Fund Board
Malaysia
OQS
2398
Occudo Quantitative Strategies
Florida
BHCM
2399
Brevan Howard Capital Management
Jersey
CAU
2400
Caxton Associates (UK)