REGN icon

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 %
WA
951
Wealth Alliance
New York
$259K -$30.4K -48 -11%
CP
952
Clarendon Private
Massachusetts
$258K +$78.6K +124 +44%
FC
953
Farringdon Capital
United Kingdom
$258K +$258K +407 New
PWP
954
Perfromance Wealth Partners
Illinois
$258K +$258K +407 New
DO
955
denkapparat Operations
Germany
$257K +$257K +406 New
FCP
956
Fidelis Capital Partners
Florida
$257K -$12.1K -20 -4%
AFA
957
Allium Financial Advisors
Oregon
$256K +$256K +404 New
AG
958
AlTi Global
New York
$256K -$5.71K -9 -2%
HI
959
Harbour Investments
Wisconsin
$256K -$20.3K -32 -7%
RT
960
Rockland Trust
Massachusetts
$255K +$255K +402 New
RIL
961
Rothschild Investment LLC
Illinois
$254K -$34.9K -55 -12%
MIM
962
Meixler Investment Management
Arizona
$254K -$4.44K -7 -2%
NCM
963
Noesis Capital Mangement
Florida
$254K +$254K +400 New
QC
964
Quent Capital
New York
$253K -$14K -22 -5%
GWANC
965
Guardian Wealth Advisors (North Carolina)
North Carolina
$253K +$1.27K +2 +0.5%
TCM
966
Teza Capital Management
Illinois
$251K -$570K -898 -69%
WH
967
Willner & Heller
California
$250K -$2.53K -4 -1%
FA
968
Fiducient Advisors
Illinois
$247K -$10.8K -17 -4%
CAM
969
Covenant Asset Management
New Jersey
$245K -$324K -511 -57%
EI
970
Ellevest Inc
New York
$245K -$98.3K -155 -29%
PFS
971
Physicians Financial Services
North Carolina
$244K – – –
GCA
972
Gradient Capital Advisors
California
$244K – – –
CAM
973
Cidel Asset Management
Ontario, Canada
$243K +$33K +52 +16%
UAG
974
United Advisor Group
Ohio
$242K -$46.9K -74 -16%
RPA
975
Rock Point Advisors
Vermont
$241K – – –
37 38
39
40 41