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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
701
$4.34M
702
$4.33M
703
$4.33M
704
$4.31M
705
$4.27M
706
$4.24M
707
$4.23M
708
$4.15M
709
$4.09M
710
$4.08M
711
$4.08M
712
$4.07M
713
$4.05M
714
$4.04M
715
$4.02M
716
$4.02M
717
$4.02M
718
$4M
719
$3.99M
720
$3.98M
721
$3.97M
722
$3.97M
723
$3.97M
724
$3.96M
725
$3.96M