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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
76
$144M
77
$143M
78
$143M
79
$140M
80
$139M
81
$139M
82
$139M
83
$138M
84
$136M
85
$134M
86
$134M
87
$126M
88
$124M
89
$122M
90
$119M
91
$117M
92
$116M
93
$114M
94
$113M
95
$112M
96
$110M
97
$108M
98
$103M
99
$103M
100
$102M