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Regeneron Pharmaceuticals
REGN

Overview Fund Activity

1,273 hedge funds and large institutions have $58.3B invested in Regeneron Pharmaceuticals in 2025 Q1 according to their latest regulatory filings, with 139 funds opening new positions, 517 increasing their positions, 449 reducing their positions, and 147 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,273
Holders Change
-30
Holders Change %
-2.3%
% of All Funds
17.3%
Holding in Top 10
15
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+7.14%
% of All Funds
0.2%
New
139
Increased
517
Reduced
449
Closed
147
Calls
$974M
Puts
$1B
Net Calls
-$27.6M
Net Calls Change
-$47.5M

Top Buyers

1
Two Sigma Advisers
Two Sigma Advisers
New York
$351M
2
Pacer Advisors
Pacer Advisors
Pennsylvania
$258M
3
Two Sigma Investments
Two Sigma Investments
New York
$236M
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
$305M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$446M

Top Sellers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$3.59B
2
Capital World Investors
Capital World Investors
California
$1.23B
3
Capital International Investors
Capital International Investors
California
$2.53B
4
Fidelity Investments
Fidelity Investments
Massachusetts
$4.82B
5
Morgan Stanley
Morgan Stanley
New York
$793M
Name Holding Trade Value Shares
Change 		Shares
Change %
AllianceBernstein
26
AllianceBernstein
Tennessee
$387M -$8.59M -13,548 -2%
D.E. Shaw & Co
27
D.E. Shaw & Co
New York
$367M +$49.9M +78,659 +16%
Dimensional Fund Advisors
28
Dimensional Fund Advisors
Texas
$362M -$10M -15,838 -3%
Two Sigma Advisers
29
Two Sigma Advisers
New York
$351M +$351M +553,800 New
Deutsche Bank
30
Deutsche Bank
Germany
$344M +$2.42M +3,823 +0.7%
NL
31
Nuveen LLC
North Carolina
$344M +$344M +542,018 New
BNP Paribas Asset Management
32
BNP Paribas Asset Management
France
$338M +$13.1M +20,658 +4%
Assenagon Asset Management
33
Assenagon Asset Management
Luxembourg
$305M +$193M +303,785 +171%
California Public Employees Retirement System
34
California Public Employees Retirement System
California
$300M +$69.7M +109,954 +30%
Neuberger Berman Group
35
Neuberger Berman Group
New York
$277M -$16.5M -26,021 -6%
Pacer Advisors
36
Pacer Advisors
Pennsylvania
$258M +$248M +390,374 +2,297%
Manulife (Manufacturers Life Insurance)
37
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$253M +$26.5M +41,826 +12%
HSBC Holdings
38
HSBC Holdings
United Kingdom
$247M -$28M -44,206 -10%
Two Sigma Investments
39
Two Sigma Investments
New York
$236M +$214M +337,528 +977%
TD Asset Management
40
TD Asset Management
Ontario, Canada
$223M -$4.76M -7,502 -2%
Ameriprise
41
Ameriprise
Minnesota
$216M +$8.62M +13,594 +4%
Barclays
42
Barclays
United Kingdom
$204M -$40.5M -63,821 -17%
Swiss National Bank
43
Swiss National Bank
Switzerland
$193M -$951K -1,500 -0.5%
Sumitomo Mitsui Trust Group
44
Sumitomo Mitsui Trust Group
Japan
$193M +$668K +1,053 +0.3%
Pictet Asset Management
45
Pictet Asset Management
Switzerland
$191M +$55.2M +86,859 +41%
UBS Group
46
UBS Group
Switzerland
$182M -$60.7M -95,672 -25%
Squarepoint
47
Squarepoint
New York
$180M +$18.7M +29,424 +12%
National Pension Service
48
National Pension Service
South Korea
$160M +$13.1M +20,596 +9%
Aberdeen Group
49
Aberdeen Group
United Kingdom
$156M +$36M +56,746 +30%
AQR Capital Management
50
AQR Capital Management
Connecticut
$149M +$18.2M +28,865 +14%
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