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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
1176
$1.01M
1177
$1.01M
1178
$1M
1179
$1M
1180
$992K
1181
$985K
1182
$984K
1183
$983K
1184
$982K
1185
$980K
1186
$978K
1187
$976K
1188
$973K
1189
$972K
1190
$967K
1191
$966K
1192
$965K
1193
$964K
1194
$961K
1195
$959K
1196
$959K
1197
$958K
1198
$957K
1199
$953K
1200
$953K