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Lam Research
LRCX

Overview Fund Activity

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, 542 reducing their positions, and 137 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,774
Holders Change
+104
Holders Change %
+6.23%
% of All Funds
24.1%
Holding in Top 10
31
Holding in Top 10 Change
+8
Holding in Top 10 Change %
+34.78%
% of All Funds
0.42%
New
269
Increased
727
Reduced
542
Closed
137
Calls
$1.79B
Puts
$1.72B
Net Calls
+$71.5M
Net Calls Change
+$633M

Top Buyers

1
Vanguard Group
Vanguard Group
Pennsylvania
$9.39B
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$2.58B
3
Nordea Investment Management
Nordea Investment Management
Sweden
$562M
4
Coatue Management
Coatue Management
New York
$597M
5
Citadel Advisors
Citadel Advisors
Florida
$484M

Top Sellers

1
Fisher Asset Management
Fisher Asset Management
Washington
$66.8M
2
Fidelity Investments
Fidelity Investments
Massachusetts
$2.44B
3
Two Sigma Advisers
Two Sigma Advisers
New York
$11.2M
4
Janus Henderson Group
Janus Henderson Group
United Kingdom
$537M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
$21.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
Janus Henderson Group
26
Janus Henderson Group
United Kingdom
$537M -$260M -3,576,679 -33%
Artisan Partners
27
Artisan Partners
Wisconsin
$529M +$151M +2,082,759 +40%
Fidelity International
28
Fidelity International
Bermuda
$504M -$36.5M -501,634 -7%
Citadel Advisors
29
Citadel Advisors
Florida
$484M +$257M +3,533,268 +113%
Dimensional Fund Advisors
30
Dimensional Fund Advisors
Texas
$472M -$12.5M -172,401 -3%
Barclays
31
Barclays
United Kingdom
$465M -$40.2M -552,791 -8%
Franklin Resources
32
Franklin Resources
California
$458M +$1.74M +23,905 +0.4%
Wells Fargo
33
Wells Fargo
California
$432M +$7.09M +97,479 +2%
T. Rowe Price Associates
34
T. Rowe Price Associates
Maryland
$417M +$208M +2,864,863 +100%
BNP Paribas Financial Markets
35
BNP Paribas Financial Markets
France
$378M -$22M -302,739 -5%
Citigroup
36
Citigroup
New York
$378M -$5.18M -71,240 -1%
Massachusetts Financial Services
37
Massachusetts Financial Services
Massachusetts
$344M -$98.1M -1,349,647 -22%
Tiger Global Management
38
Tiger Global Management
New York
$322M +$34M +467,000 +12%
VanEck Associates
39
VanEck Associates
New York
$299M -$27.9M -384,221 -9%
Capital Research Global Investors
40
Capital Research Global Investors
California
$294M +$51.9M +713,384 +21%
Deutsche Bank
41
Deutsche Bank
Germany
$293M -$152M -2,097,084 -34%
BNP Paribas Asset Management
42
BNP Paribas Asset Management
France
$283M +$91.2M +1,253,833 +48%
Swiss National Bank
43
Swiss National Bank
Switzerland
$264M -$2.36M -32,500 -0.9%
AllianceBernstein
44
AllianceBernstein
Tennessee
$261M +$30.6M +421,140 +13%
Rafferty Asset Management
45
Rafferty Asset Management
New York
$261M -$58.2M -800,667 -18%
William Blair Investment Management
46
William Blair Investment Management
Illinois
$242M -$6.28M -86,440 -3%
Swedbank
47
Swedbank
Sweden
$235M +$11.8M +162,428 +5%
Jacobs Levy Equity Management
48
Jacobs Levy Equity Management
New Jersey
$234M -$107M -1,475,854 -31%
First Trust Advisors
49
First Trust Advisors
Illinois
$233M -$208M -2,862,229 -47%
Sumitomo Mitsui Trust Group
50
Sumitomo Mitsui Trust Group
Japan
$232M +$2.01M +27,708 +0.9%
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