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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 %
Mitsubishi UFJ Trust & Banking
126
Mitsubishi UFJ Trust & Banking
Japan
$43.5M -$1.34M -2,108 -3%
Skandinaviska Enskilda Banken (SEB)
127
Skandinaviska Enskilda Banken (SEB)
Sweden
$43.2M -$119K -188 -0.3%
Rockefeller Capital Management
128
Rockefeller Capital Management
New York
$42.9M -$17.2M -27,136 -29%
Mackenzie Financial
129
Mackenzie Financial
Ontario, Canada
$42.5M +$7.57M +11,928 +22%
State of Wisconsin Investment Board
130
State of Wisconsin Investment Board
Wisconsin
$42.3M +$4.3M +6,772 +11%
Korea Investment Corp
131
Korea Investment Corp
South Korea
$41.8M -$7.79M -12,283 -16%
CS
132
Cannell & Spears
New York
$40.9M +$30.7M +48,471 +302%
SG Americas Securities
133
SG Americas Securities
New York
$40.6M +$39.4M +62,122 +3,201%
Asset Management One
134
Asset Management One
Japan
$39.5M +$1.5M +2,358 +4%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
135
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$38.7M -$2.67M -4,215 -6%
Prudential Financial
136
Prudential Financial
New Jersey
$36.5M -$942K -1,485 -3%
TI
137
Trexquant Investment
Connecticut
$36.1M +$194K +306 +0.5%
GA
138
GuoLine Advisory
Singapore
$35.7M +$6.3M +9,940 +21%
LPL Financial
139
LPL Financial
California
$35M +$1.56M +2,455 +5%
VanEck Associates
140
VanEck Associates
New York
$35M -$2.1M -3,306 -6%
PCH
141
Polar Capital Holdings
United Kingdom
$34.9M -$792K -1,249 -2%
TC
142
TwinBeech Capital
New York
$33.7M +$17.7M +27,964 +111%
Mirae Asset Global Investments
143
Mirae Asset Global Investments
South Korea
$33.3M -$1.47M -2,340 -4%
CLGM
144
Capitolis Liquid Global Markets
New York
$32.3M -$22.8M -36,000 -41%
CI
145
Cambiar Investors
Colorado
$31.9M +$31.9M +50,310 New
DnB Asset Management
146
DnB Asset Management
Norway
$31.8M +$9.08M +14,323 +40%
Royal London Asset Management
147
Royal London Asset Management
United Kingdom
$31.5M +$3.52M +5,548 +13%
Toronto Dominion Bank
148
Toronto Dominion Bank
Ontario, Canada
$31.2M -$6.87M -10,837 -18%
Treasurer of the State of North Carolina
149
Treasurer of the State of North Carolina
North Carolina
$30.9M -$5.94M -9,365 -16%
KK
150
KLP Kapitalforvaltning
Norway
$30.9M +$190K +300 +0.6%
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