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Lam Research

1,786 hedge funds and large institutions have $74.3B invested in Lam Research in 2025 Q1 according to their latest regulatory filings, with 268 funds opening new positions, 735 increasing their positions, 544 reducing their positions, and 140 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:

4% more call options, than puts

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

0.37% less ownership

Funds ownership: 80.14%79.77% (-0.37%)

0% less capital invested

Capital invested by funds: $74.6B → $74.3B (-$285M)

Holders
1,786
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
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$254M
Name Holding Trade Value Shares
Change
Change in
Stake
1426
$245K
1427
$245K
1428
$245K
1429
$245K
1430
$243K
1431
$241K
1432
$241K
1433
$241K
1434
$240K
1435
$239K
1436
$239K
1437
$239K
1438
$239K
1439
$238K
1440
$237K
1441
$237K
1442
$236K
1443
$236K
1444
$235K
1445
$235K
1446
$235K
1447
$234K
1448
$233K
1449
$233K
1450
$233K