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Lam Research

2,106 hedge funds and large institutions have $136B invested in Lam Research in 2025 Q3 according to their latest regulatory filings, with 349 funds opening new positions, 766 increasing their positions, 729 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: 766 | Existing positions reduced: 729

1.76% less ownership

Funds ownership: 82.54%80.78% (-1.8%)

16% less call options, than puts

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

Holders
2,106
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
876
$2.45M
877
$2.45M
878
$2.44M
879
$2.43M
880
$2.43M
881
$2.42M
882
$2.42M
883
$2.4M
884
$2.4M
885
$2.4M
886
$2.4M
887
$2.39M
888
$2.39M
889
$2.38M
890
$2.36M
891
$2.36M
892
$2.35M
893
$2.35M
894
$2.34M
895
$2.34M
896
$2.34M
897
$2.33M
898
$2.33M
899
$2.33M
900
$2.31M