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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
601
$6.03M
602
$6.01M
603
$5.97M
604
$5.97M
605
$5.95M
606
$5.94M
607
$5.94M
608
$5.83M
609
$5.79M
610
$5.78M
611
$5.77M
612
$5.77M
613
$5.68M
614
$5.68M
615
$5.67M
616
$5.66M
617
$5.65M
618
$5.63M
619
$5.62M
620
$5.62M
621
$5.61M
622
$5.61M
623
$5.57M
624
$5.56M
625
$5.52M