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Lam Research

1,774 hedge funds and large institutions have $74.2B invested in Lam Research in 2025 Q1 according to their latest regulatory filings, with 269 funds opening new positions, 727 increasing their positions, 541 reducing their positions, and 138 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

4% more call options, than puts

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

0.45% less ownership

Funds ownership: 80.1%79.65% (-0.45%)

0% less capital invested

Capital invested by funds: $74.6B → $74.2B (-$363M)

Holders
1,774
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 +$608M
2 +$587M
3 +$562M
4
Coatue Management
Coatue Management
New York
+$303M
5
Citadel Advisors
Citadel Advisors
Florida
+$257M

Top Sellers

1 -$1.28B
2 -$468M
3 -$271M
4
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$260M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$234M
Name Holding Trade Value Shares
Change
Change in
Stake
Bank Julius Baer & Co
76
Bank Julius Baer & Co
Switzerland
$143M
BA
77
Bridgewater Associates
Connecticut
$143M
Lord, Abbett & Co
78
Lord, Abbett & Co
New Jersey
$140M
National Bank of Canada
79
National Bank of Canada
Quebec, Canada
$139M
HCL
80
Heard Capital LLC
Illinois
$139M
Victory Capital Management
81
Victory Capital Management
Texas
$139M
Neuberger Berman Group
82
Neuberger Berman Group
New York
$138M
EIP
83
Epoch Investment Partners
New York
$136M
Corient Private Wealth
84
Corient Private Wealth
Florida
$134M
BWC
85
Blue Whale Capital
United Kingdom
$134M
Universal-Beteiligungs- und Servicegesellschaft
86
Universal-Beteiligungs- und Servicegesellschaft
Germany
$126M
Jane Street
87
Jane Street
New York
$124M
MBI
88
Montrusco Bolton Investments
Quebec, Canada
$122M
American Century Companies
89
American Century Companies
Missouri
$119M
New York State Common Retirement Fund
90
New York State Common Retirement Fund
New York
$117M
FGP
91
Freestone Grove Partners
California
$116M
Mackenzie Financial
92
Mackenzie Financial
Ontario, Canada
$114M
Holocene Advisors
93
Holocene Advisors
New York
$113M
CI
94
Clal Insurance
Israel
$112M
Manulife (Manufacturers Life Insurance)
95
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$108M
Balyasny Asset Management
96
Balyasny Asset Management
Illinois
$103M
Adage Capital Partners
97
Adage Capital Partners
Massachusetts
$103M
Susquehanna International Group
98
Susquehanna International Group
Pennsylvania
$102M
Mirae Asset Global Investments
99
Mirae Asset Global Investments
South Korea
$96.4M
Prudential Financial
100
Prudential Financial
New Jersey
$95.9M