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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
51
$232M
52
$231M
53
$229M
54
$227M
55
$222M
56
$220M
57
$210M
58
$203M
59
$200M
60
$197M
61
$196M
62
$196M
63
$189M
64
$189M
65
$187M
66
$174M
67
$173M
68
$171M
69
$166M
70
$162M
71
$160M
72
$159M
73
$158M
74
$157M
75
$148M