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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
851
$2.64M
852
$2.64M
853
$2.63M
854
$2.63M
855
$2.62M
856
$2.62M
857
$2.61M
858
$2.61M
859
$2.6M
860
$2.59M
861
$2.58M
862
$2.58M
863
$2.57M
864
$2.56M
865
$2.56M
866
$2.56M
867
$2.55M
868
$2.54M
869
$2.53M
870
$2.53M
871
$2.52M
872
$2.52M
873
$2.5M
874
$2.49M
875
$2.46M