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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
1301
$345K
1302
$345K
1303
$344K
1304
$344K
1305
$344K
1306
$343K
1307
$343K
1308
$342K
1309
$342K
1310
$341K
1311
$340K
1312
$340K
1313
$336K
1314
$335K
1315
$335K
1316
$335K
1317
$335K
1318
$333K
1319
$332K
1320
$331K
1321
$331K
1322
$328K
1323
$328K
1324
$327K
1325
$327K