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Lam Research
LRCX

Overview Fund Activity

1,844 hedge funds and large institutions have $102B invested in Lam Research in 2025 Q2 according to their latest regulatory filings, with 239 funds opening new positions, 735 increasing their positions, 655 reducing their positions, and 131 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,844
Holders Change
+71
Holders Change %
+4%
% of All Funds
24.73%
Holding in Top 10
47
Holding in Top 10 Change
+16
Holding in Top 10 Change %
+51.61%
% of All Funds
0.63%
New
239
Increased
735
Reduced
655
Closed
131
Calls
$2.1B
Puts
$2.28B
Net Calls
-$183M
Net Calls Change
-$254M

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$3.95B
2
Goldman Sachs
Goldman Sachs
New York
$1.35B
3
Nordea Investment Management
Nordea Investment Management
Sweden
$1.03B
4
Artisan Partners
Artisan Partners
Wisconsin
$959M
5
VOYA Investment Management
VOYA Investment Management
Georgia
$291M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$2.5B
2
Ameriprise
Ameriprise
Minnesota
$2.96B
3
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
$70.4M
4
BNP Paribas Asset Management
BNP Paribas Asset Management
France
$183M
5
Wellington Management Group
Wellington Management Group
Massachusetts
$44.8M
Name Holding Trade Value Shares
Change 		Shares
Change %
Alkeon Capital Management
26
Alkeon Capital Management
New York
$828M +$53.5M +550,000 +7%
Winslow Capital Management
27
Winslow Capital Management
Minnesota
$809M +$52.6M +540,252 +7%
Barclays
28
Barclays
United Kingdom
$753M +$131M +1,348,996 +21%
Janus Henderson Group
29
Janus Henderson Group
United Kingdom
$722M +$2.97M +30,476 +0.4%
Fidelity International
30
Fidelity International
Bermuda
$692M +$16.6M +170,048 +2%
T. Rowe Price Associates
31
T. Rowe Price Associates
Maryland
$670M +$111M +1,140,678 +20%
Citadel Advisors
32
Citadel Advisors
Florida
$620M -$27.6M -283,721 -4%
Dimensional Fund Advisors
33
Dimensional Fund Advisors
Texas
$620M -$12.7M -130,842 -2%
Franklin Resources
34
Franklin Resources
California
$619M +$6.45M +66,220 +1%
VanEck Associates
35
VanEck Associates
New York
$598M +$197M +2,024,347 +49%
Citigroup
36
Citigroup
New York
$569M +$62.4M +641,014 +12%
Wells Fargo
37
Wells Fargo
California
$565M -$13M -133,237 -2%
Tiger Global Management
38
Tiger Global Management
New York
$512M +$81.3M +835,628 +19%
Deutsche Bank
39
Deutsche Bank
Germany
$474M +$81.8M +840,078 +21%
Rafferty Asset Management
40
Rafferty Asset Management
New York
$463M +$113M +1,163,546 +32%
Massachusetts Financial Services
41
Massachusetts Financial Services
Massachusetts
$438M -$23.5M -241,554 -5%
BNP Paribas Financial Markets
42
BNP Paribas Financial Markets
France
$415M -$91.3M -937,765 -18%
Royal Bank of Canada
43
Royal Bank of Canada
Ontario, Canada
$383M +$75.7M +777,844 +25%
Swiss National Bank
44
Swiss National Bank
Switzerland
$378M +$25M +256,700 +7%
First Trust Advisors
45
First Trust Advisors
Illinois
$374M +$61.8M +635,366 +20%
AllianceBernstein
46
AllianceBernstein
Tennessee
$364M +$14.3M +146,520 +4%
Envestnet Asset Management
47
Envestnet Asset Management
Illinois
$340M +$36.8M +378,090 +12%
National Pension Service
48
National Pension Service
South Korea
$333M +$23.2M +238,775 +8%
Sumitomo Mitsui Trust Group
49
Sumitomo Mitsui Trust Group
Japan
$315M +$4.62M +47,478 +1%
Boston Partners
50
Boston Partners
Massachusetts
$312M +$83.2M +855,116 +36%
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