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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 %
PS
726
Principal Securities
Iowa
$640K – – –
PK
727
Pflug Koory
Nebraska
$639K -$20.3K -32 -3%
CF
728
Copperwynd Financial
Arizona
$636K +$180K +283 +39%
BJL
729
Brighton Jones LLC
Washington
$636K +$34.9K +55 +6%
ACM
730
Arcataur Capital Management
Wisconsin
$635K -$33K -52 -5%
JSSH
731
J. Safra Sarasin Holding
$634K -$1.35M -2,125 -68%
AWA
732
Alta Wealth Advisors
Massachusetts
$634K – – –
LFA
733
Legacy Financial Advisors
Kentucky
$629K +$167K +264 +36%
SCM
734
SKBA Capital Management
California
$620K +$150K +237 +32%
PA
735
Parallel Advisors
California
$618K -$81.8K -129 -12%
BAM
736
Blueshift Asset Management
New Jersey
$617K -$209K -330 -25%
JWCA
737
J.W. Cole Advisors
Florida
$611K +$213K +336 +54%
IAA
738
Independent Advisor Alliance
North Carolina
$603K +$299K +472 +99%
AIP
739
Arrowpoint Investment Partners
Singapore
$603K +$603K +950 New
TSS
740
Two Sigma Securities
New York
$599K -$349K -550 -37%
CA
741
Callahan Advisors
Texas
$593K +$43.8K +69 +8%
HGA
742
Hobbs Group Advisors
South Carolina
$591K +$591K +932 New
MFG
743
Magnus Financial Group
New York
$589K -$135K -213 -19%
MYLI
744
Meiji Yasuda Life Insurance
Japan
$587K +$34.2K +54 +6%
EH
745
Equitable Holdings
New York
$587K +$22.8K +36 +4%
GIA
746
Gateway Investment Advisers
Ohio
$587K +$71.7K +113 +14%
MWM
747
Meridian Wealth Management
Kentucky
$585K – – –
ACM
748
Advisors Capital Management
New Jersey
$584K -$508K -801 -47%
FAM
749
Formidable Asset Management
Ohio
$581K -$1.9K -3 -0.3%
FRA
750
Frank Rimerman Advisors
California
$580K +$247K +390 +74%
28 29
30
31 32