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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 %
GWSG
901
GPS Wealth Strategies Group
Colorado
$317K -$45K -71 -12%
SCP
902
Sivia Capital Partners
California
$316K +$98.3K +155 +45%
SFG
903
SevenBridge Financial Group
Pennsylvania
$312K -$69.7K -121 -18%
PWPS
904
Pinnacle Wealth Planning Services
Ohio
$310K +$8.88K +14 +3%
EA
905
Enclave Advisors
Texas
$310K +$60.9K +96 +24%
JIC
906
Johnson Investment Counsel
Ohio
$308K -$635 -1 -0.2%
VIA
907
Virtus Investment Advisers
Connecticut
$308K +$308K +486 New
RWM
908
Ritholtz Wealth Management
New York
$308K +$22.2K +35 +8%
SCM
909
Stonebridge Capital Management
California
$308K -$159K -250 -34%
CTA
910
Chesley Taft & Associates
Illinois
$308K – – –
RWMG
911
Redwood Wealth Management Group
New Jersey
$306K -$8.88K -14 -3%
PP
912
Patten & Patten
Tennessee
$304K +$8.88K +14 +3%
BFS
913
Bradley Foster & Sargent
Connecticut
$304K -$81.8K -129 -21%
ZIC
914
ZWJ Investment Counsel
Georgia
$304K – – –
APP
915
Avantax Planning Partners
Iowa
$303K -$5.71K -9 -2%
AHC
916
Adell Harriman & Carpenter
Texas
$302K -$17.1K -27 -5%
MPM
917
MBB Public Markets
Illinois
$302K +$302K +476 New
EGWAG
918
Elwood & Goetz Wealth Advisory Group
Georgia
$299K – – –
TCOV
919
Trust Company of Vermont
Vermont
$298K – – –
AHC
920
Anderson Hoagland & Co
Missouri
$298K – – –
FFN
921
Focus Financial Network
Minnesota
$297K -$4.44K -7 -1%
CAG
922
Crestwood Advisors Group
Massachusetts
$296K +$15.9K +25 +6%
WPW
923
Warther Private Wealth
Ohio
$294K -$2.66M -4,200 -90%
CIM
924
CIM Investment Management
Pennsylvania
$292K – – –
RPC
925
Rossmore Private Capital
Connecticut
$292K +$634 +1 +0.2%
35 36
37
38 39