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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
676
$4.57M
677
$4.55M
678
$4.54M
679
$4.54M
680
$4.54M
681
$4.54M
682
$4.52M
683
$4.52M
684
$4.51M
685
$4.51M
686
$4.51M
687
$4.49M
688
$4.47M
689
$4.45M
690
$4.44M
691
$4.43M
692
$4.43M
693
$4.41M
694
$4.4M
695
$4.4M
696
$4.4M
697
$4.4M
698
$4.38M
699
$4.38M
700
$4.37M