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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
17.29%
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
+$248M
3
Two Sigma Investments
Two Sigma Investments
New York
+$214M
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
+$193M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$166M

Top Sellers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$889M
2
Capital World Investors
Capital World Investors
California
-$533M
3
Capital International Investors
Capital International Investors
California
-$474M
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$381M
5
Morgan Stanley
Morgan Stanley
New York
-$114M
Name Holding Trade Value Shares
Change 		Shares
Change %
GLR
1301
Great Lakes Retirement
Ohio
– -$1.82M -2,556 Closed
EWM
1302
Empirical Wealth Management
Washington
– -$1.81M -2,547 Closed
TS
1303
Triglav Skladi
Slovenia
– -$1.79M -2,515 Closed
TVWM
1304
Tower View Wealth Management
Wisconsin
– -$1.74M -2,449 Closed
SCM
1305
Soleus Capital Management
Connecticut
– -$1.64M -2,300 Closed
CJL
1306
Cyrus J. Lawrence
New York
– -$1.63M -2,293 Closed
BA
1307
Birinyi Associates
Connecticut
– -$1.48M -2,075 Closed
PAM
1308
Pinpoint Asset Management
Hong Kong
– -$1.36M -1,908 Closed
AIM
1309
Achmea Investment Management
Netherlands
– -$1.31M -1,841 Closed
AIC
1310
Argus Investors Counsel
New York
– -$1.3M -1,820 Closed
GCM
1311
Graham Capital Management
Connecticut
– -$1.07M -1,506 Closed
MCCP
1312
Mission Creek Capital Partners
California
– -$999K -1,402 Closed
RGF
1313
Retirement Guys Formula
Ohio
– -$956K -1,342 Closed
LAM
1314
LECAP Asset Management
United Kingdom
– -$885K -1,243 Closed
CPCPP
1315
Canada Post Corporation Pension Plan
Canada
– -$865K -1,215 Closed
MP
1316
Mangrove Partners
Connecticut
– -$769K -1,079 Closed
SB
1317
SIG Brokerage
New York
– -$758K -1,064 Closed
MIM
1318
Morningstar Investment Management
Illinois
– -$680K -954 Closed
BCM
1319
Bayesian Capital Management
New York
– -$678K -952 Closed
WFC
1320
Western Financial Corp
California
– -$620K -870 Closed
BBA
1321
Baader Bank Aktiengesellschaft
Germany
– -$617K -866 Closed
KCM
1322
Kornitzer Capital Management
Kansas
– -$600K -842 Closed
FIC
1323
FCG Investment Company
Tennessee
– -$583K -819 Closed
BPC
1324
Bryce Point Capital
New York
– -$558K -783 Closed
ECM
1325
ExodusPoint Capital Management
New York
– -$514K -721 Closed
51 52
53
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