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Lam Research

1,796 hedge funds and large institutions have $76B invested in Lam Research in 2025 Q1 according to their latest regulatory filings, with 271 funds opening new positions, 737 increasing their positions, 546 reducing their positions, and 139 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

1.12% more ownership

Funds ownership: 80.41%81.53% (+1.1%)

4% more call options, than puts

Call options by funds: $1.79B | Put options by funds: $1.72B

1% more capital invested

Capital invested by funds: $74.9B → $76B (+$1.1B)

Holders
1,796
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
31
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.79B
Puts
$1.72B
Net Calls
Net Calls Change

Top Buyers

1 +$659M
2 +$636M
3 +$622M
4
Coatue Management
Coatue Management
New York
+$328M
5
Citadel Advisors
Citadel Advisors
Florida
+$278M

Top Sellers

1 -$1.39B
2 -$507M
3 -$294M
4
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$282M
5
Norges Bank
Norges Bank
Norway
-$255M
Name Holding Trade Value Shares
Change
Change in
Stake
1226
$421K
1227
$420K
1228
$418K
1229
$418K
1230
$417K
1231
$416K
1232
$416K
1233
$414K
1234
$412K
1235
$410K
1236
$408K
1237
$408K
1238
$408K
1239
$407K
1240
$407K
1241
$405K
1242
$404K
1243
$400K
1244
$399K
1245
$398K
1246
$395K
1247
$394K
1248
$393K
1249
$393K
1250
$393K