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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
1751
$3.11K
1752
$2.98K
1753
$2.98K
1754
$2.91K
1755
$2.91K
1756
$2.91K
1757
$2.91K
1758
$2.61K
1759
$2.54K
1760
$2.33K
1761
$2.18K
1762
$2.18K
1763
$2.18K
1764
$2.11K
1765
$2.04K
1766
$2K
1767
$1.93K
1768
$1.82K
1769
$1.82K
1770
$1.45K
1771
$1.45K
1772
$1.16K
1773
$1.09K
1774
$1.09K
1775
$1.09K