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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 %
Schroder Investment Management Group
151
Schroder Investment Management Group
United Kingdom
$30.3M -$21.4M -33,704 -41%
Nisa Investment Advisors
152
Nisa Investment Advisors
Missouri
$30M -$958K -1,510 -3%
Allianz Asset Management
153
Allianz Asset Management
Germany
$29.6M -$7.97M -12,574 -21%
Handelsbanken Fonder
154
Handelsbanken Fonder
Sweden
$29.5M -$1.05M -1,650 -3%
SC
155
Samlyn Capital
New York
$29.1M +$29.1M +45,914 New
Rafferty Asset Management
156
Rafferty Asset Management
New York
$28.4M -$1.84M -2,906 -6%
Baird Financial Group
157
Baird Financial Group
Wisconsin
$28.3M +$6.27M +9,883 +28%
JF
158
Jump Financial
Illinois
$28.2M +$16.3M +25,634 +136%
Truist Financial
159
Truist Financial
North Carolina
$28.1M -$9.56M -15,070 -25%
Nordea Investment Management
160
Nordea Investment Management
Sweden
$28M +$984K +1,553 +4%
Ensign Peak Advisors
161
Ensign Peak Advisors
Utah
$27.7M +$1.29M +2,027 +5%
Ohio Public Employees Retirement System (OPERS)
162
Ohio Public Employees Retirement System (OPERS)
Ohio
$27.6M -$2.32M -3,651 -8%
CI
163
Capital International
California
$27.4M +$1.39M +2,184 +5%
AP
164
Atwood & Palmer
Missouri
$26.6M -$1.08M -1,709 -4%
Federated Hermes
165
Federated Hermes
Pennsylvania
$26.3M +$3.54M +5,579 +16%
GT
166
Glenmede Trust
Pennsylvania
$25.6M +$2.11M +3,322 +9%
LF
167
Lansforsakringar Fondforvaltning
Sweden
$25.3M -$1.11M -1,751 -4%
MSV
168
MN Services Vermogensbeheer
Netherlands
$25.1M -$1.84M -2,900 -7%
Allspring Global Investments
169
Allspring Global Investments
North Carolina
$24.5M -$2.37M -3,844 -9%
RAM
170
Resona Asset Management
Japan
$24.4M +$777K +1,225 +3%
BBVA
171
Banco Bilbao Vizcaya Argentaria
Spain
$24.2M +$412K +649 +2%
Stifel Financial
172
Stifel Financial
Missouri
$24.2M +$24.1K +38 +0.1%
DZ Bank
173
DZ Bank
Germany
$24.1M +$17.4M +27,482 +260%
O
174
Ossiam
France
$23.7M +$13.5M +21,221 +131%
EAM
175
Erste Asset Management
Austria
$23.6M -$2.13M -3,349 -8%
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