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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 %
GSB
976
Greenfield Savings Bank
Massachusetts
$240K -$71K -112 -23%
BFG
977
Berger Financial Group
Minnesota
$239K -$5.07K -8 -2%
MOS
978
MGO One Seven
Ohio
$239K +$21.6K +34 +10%
FAM
979
Fred Alger Management
New York
$239K +$239K +377 New
MSA
980
Marino Stram & Associates
Massachusetts
$239K – – –
IC
981
Iconiq Capital
California
$238K -$45.7K -72 -16%
AWM
982
Angeles Wealth Management
California
$238K +$10.1K +16 +4%
SEIA
983
Signature Estate & Investment Advisors
California
$237K +$29.8K +47 +14%
CSPIA
984
Cary Street Partners Investment Advisory
Virginia
$236K +$3.81K +6 +2%
KOC
985
Koss-Olinger Consulting
Florida
$235K +$235K +370 New
BCP
986
Blue Chip Partners
Michigan
$235K +$235K +370 New
MIA
987
MMBG Investment Advisors
Florida
$235K – – –
KP
988
Keel Point
Alabama
$233K -$24.1K -38 -9%
PM
989
Phraction Management
Connecticut
$233K – – –
RRA
990
Round Rock Advisors
Connecticut
$231K +$2.54K +4 +1%
AL
991
Aspiriant LLC
California
$231K -$14.6K -23 -6%
WIA
992
World Investment Advisors
California
$230K +$230K +362 New
DWT
993
Dorsey & Whitney Trust
South Dakota
$229K -$174K -275 -43%
DTL
994
Dynamic Technology Lab
Singapore
$226K +$226K +357 New
FWA
995
FSM Wealth Advisors
Ohio
$226K +$34.3K +54 +18%
PCM
996
Prelude Capital Management
New York
$226K +$226K +356 New
AC
997
ASB Consultores
Florida
$225K -$98.3K -155 -30%
BT
998
Banque Transatlantique
France
$225K -$790K -1,246 -78%
BTWM
999
Brass Tax Wealth Management
Ohio
$224K – – –
FW
1000
Fidato Wealth
Ohio
$223K +$1.27K +2 +0.6%
38 39
40
41 42