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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
776
$1.63M
777
$1.63M
778
$1.62M
779
$1.62M
780
$1.61M
781
$1.6M
782
$1.6M
783
$1.59M
784
$1.59M
785
$1.59M
786
$1.57M
787
$1.57M
788
$1.57M
789
$1.57M
790
$1.57M
791
$1.57M
792
$1.56M
793
$1.56M
794
$1.56M
795
$1.56M
796
$1.55M
797
$1.55M
798
$1.54M
799
$1.54M
800
$1.52M