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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 %
HKAM
801
Horizon Kinetics Asset Management
New York
$466K – – –
DADC
802
D.A. Davidson & Co
Montana
$464K -$13.3K -21 -3%
AFG
803
Atomi Financial Group
New York
$460K +$69.8K +110 +18%
PDL
804
Portfolio Design Labs
California
$459K +$141K +223 +45%
PSCM
805
Per Stirling Capital Management
Texas
$457K – – –
SIA
806
Schechter Investment Advisors
Michigan
$456K -$86.3K -136 -16%
GS
807
GTS Securities
New York
$456K -$398K -628 -47%
MM
808
MQS Management
New York
$450K +$450K +710 New
GWS
809
Greykasell Wealth Strategies
California
$449K – – –
NP
810
NorthRock Partners
Minnesota
$449K -$59.6K -94 -12%
GAA
811
Global Assets Advisory
Florida
$443K +$443K +759 New
FAIM
812
Financial Advocates Investment Management
Washington
$438K +$16.5K +26 +4%
IHL
813
Investment House LLC
California
$437K – – –
AC
814
AXQ Capital
New Jersey
$437K +$195K +307 +80%
CIA
815
Concurrent Investment Advisors
Florida
$435K +$7.61K +12 +2%
ALAM
816
Asahi Life Asset Management
Japan
$434K +$434K +685 New
P
817
Pitcairn
Pennsylvania
$434K -$131K -206 -23%
CCA
818
Checchi Capital Advisers
California
$433K +$5.71K +9 +1%
CL
819
CSS LLC
Illinois
$431K +$44.4K +70 +11%
TFS
820
Thoroughbred Financial Services
Tennessee
$431K +$55.8K +88 +15%
A
821
AustralianSuper
Australia
$430K +$430K +678 New
CPBTD
822
Central Pacific Bank - Trust Division
Hawaii
$429K -$31.7K -50 -7%
CWP
823
Cyndeo Wealth Partners
Florida
$429K -$45K -71 -9%
WPC
824
Wedmont Private Capital
Pennsylvania
$428K -$518K -934 -55%
AC
825
Avestar Capital
New York
$427K -$71.7K -113 -14%
31 32
33
34 35