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Lam Research
LRCX

Overview Fund Activity

1,773 hedge funds and large institutions have $74.2B invested in Lam Research in 2025 Q1 according to their latest regulatory filings, with 270 funds opening new positions, 726 increasing their positions, 541 reducing their positions, and 137 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,773
Holders Change
+105
Holders Change %
+6.29%
% of All Funds
24.09%
Holding in Top 10
31
Holding in Top 10 Change
+8
Holding in Top 10 Change %
+34.78%
% of All Funds
0.42%
New
270
Increased
726
Reduced
541
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 %
National Pension Service
51
National Pension Service
South Korea
$231M +$10.8M +148,141 +5%
Royal Bank of Canada
52
Royal Bank of Canada
Ontario, Canada
$229M -$119M -1,637,958 -34%
Envestnet Asset Management
53
Envestnet Asset Management
Illinois
$227M +$18M +246,995 +9%
PNC Financial Services Group
54
PNC Financial Services Group
Pennsylvania
$222M -$2.31M -31,837 -1%
HSBC Holdings
55
HSBC Holdings
United Kingdom
$220M -$105M -1,449,180 -32%
Raymond James Financial
56
Raymond James Financial
Florida
$210M +$102M +1,401,309 +95%
Mitsubishi UFJ Asset Management
57
Mitsubishi UFJ Asset Management
Japan
$203M +$20.4M +280,923 +11%
California Public Employees Retirement System
58
California Public Employees Retirement System
California
$200M +$44.6M +613,352 +29%
TD Asset Management
59
TD Asset Management
Ontario, Canada
$197M +$8.86M +121,864 +5%
Canada Pension Plan Investment Board
60
Canada Pension Plan Investment Board
Ontario, Canada
$196M +$78.3M +1,077,487 +66%
OCMI
61
Oaktop Capital Management II
New Jersey
$196M – – –
SEI Investments
62
SEI Investments
Pennsylvania
$189M +$80.9M +1,113,045 +75%
RhumbLine Advisers
63
RhumbLine Advisers
Massachusetts
$189M +$4.2M +57,711 +2%
DnB Asset Management
64
DnB Asset Management
Norway
$187M +$119M +1,630,501 +173%
Principal Financial Group
65
Principal Financial Group
Iowa
$174M -$16.6M -228,931 -9%
Kovitz Investment Group Partners
66
Kovitz Investment Group Partners
Illinois
$173M +$158M +2,180,148 +1,101%
Boston Partners
67
Boston Partners
Massachusetts
$171M +$169M +2,327,041 +9,978%
Wellington Management Group
68
Wellington Management Group
Massachusetts
$166M +$20.8M +286,749 +14%
Allianz Asset Management
69
Allianz Asset Management
Germany
$162M -$114M -1,574,127 -41%
Russell Investments Group
70
Russell Investments Group
United Kingdom
$160M +$9.89M +136,031 +7%
Schroder Investment Management Group
71
Schroder Investment Management Group
United Kingdom
$159M +$159M +2,187,788 New
ProShare Advisors
72
ProShare Advisors
Maryland
$158M +$12.3M +168,514 +8%
Millennium Management
73
Millennium Management
New York
$157M -$19.5M -268,219 -11%
California State Teachers Retirement System (CalSTRS)
74
California State Teachers Retirement System (CalSTRS)
California
$148M -$1.94M -26,650 -1%
WP
75
Woodline Partners
California
$144M -$12.5M -171,840 -8%
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