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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
1051
$1.54M
1052
$1.53M
1053
$1.53M
1054
$1.53M
1055
$1.53M
1056
$1.52M
1057
$1.52M
1058
$1.52M
1059
$1.52M
1060
$1.52M
1061
$1.51M
1062
$1.5M
1063
$1.5M
1064
$1.49M
1065
$1.49M
1066
$1.48M
1067
$1.47M
1068
$1.47M
1069
$1.47M
1070
$1.45M
1071
$1.45M
1072
$1.44M
1073
$1.43M
1074
$1.43M
1075
$1.43M