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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 %
TCM
851
Triumph Capital Management
Colorado
$375K +$20.3K +32 +6%
XF
852
XML Financial
Maryland
$375K -$287K -452 -43%
GI
853
GAMCO Investors
Connecticut
$374K +$16.5K +26 +5%
DL
854
DOHJ LLC
Washington
$373K +$48.8K +77 +15%
IWA
855
Icon Wealth Advisors
Texas
$371K +$114K +180 +44%
KMWM
856
Keudell/Morrison Wealth Management
Oregon
$371K +$22.8K +36 +7%
SSA
857
Sierra Summit Advisors
Nevada
$371K – – –
NG
858
Norden Group
Utah
$368K +$51.4K +81 +16%
JSW
859
Journey Strategic Wealth
New Jersey
$365K +$62.8K +99 +21%
GVAG
860
Great Valley Advisor Group
Delaware
$365K +$62.2K +98 +21%
LCM
861
LCM Capital Management
Illinois
$365K +$19K +30 +6%
DMBA
862
Deseret Mutual Benefit Administrators
Utah
$365K -$29.2K -46 -7%
YIA
863
YHB Investment Advisors
Connecticut
$365K -$1.27K -2 -0.3%
LA
864
LBP AM
France
$356K – – –
HR
865
Howe & Rusling
New York
$356K +$34.9K +55 +11%
CIA
866
Choate Investment Advisors
Massachusetts
$356K +$6.34K +10 +2%
KAM
867
Kazazian Asset Management
Florida
$355K – – –
SFS
868
Sowell Financial Services
Arkansas
$353K +$353K +557 New
IAIM
869
International Assets Investment Management
Florida
$353K -$5.71K -9 -2%
CA
870
Clearstead Advisors
Ohio
$349K +$26K +41 +8%
AGP
871
Aspire Growth Partners
Florida
$349K +$17.9K +32 +5%
SAM
872
Shikiar Asset Management
New York
$349K -$140K -220 -29%
FMLI
873
Fukoku Mutual Life Insurance
Japan
$349K – – –
OAM
874
Oxford Asset Management
United Kingdom
$349K +$131K +207 +60%
CI
875
Conning Inc
Connecticut
$348K -$1.9K -3 -0.5%
33 34
35
36 37