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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 %
TFM
1051
TFC Financial Management
Massachusetts
$128K -$44.4K -70 -26%
TH
1052
TCTC Holdings
Texas
$128K – – –
PWA
1053
Provenance Wealth Advisors
Florida
$127K – – –
CF
1054
Centaurus Financial
California
$123K -$1.27K -2 -1%
FP
1055
Financial Perspectives
Minnesota
$122K – – –
CM
1056
Capula Management
Cayman Islands
$121K +$121K +191 New
RS
1057
Rakuten Securities
Japan
$119K +$93.9K +148 +379%
PFBT
1058
Parkside Financial Bank & Trust
Missouri
$118K -$3.81K -6 -3%
Optiver Holding
1059
Optiver Holding
Netherlands
$118K +$118K +186 New
SWM
1060
Spire Wealth Management
Virginia
$114K +$14K +22 +14%
AG
1061
AmeriFlex Group
Nevada
$111K +$111K +175 New
CFO
1062
CVA Family Office
Colorado
$105K +$6.98K +11 +7%
PTC
1063
Private Trust Company
Ohio
$104K +$12.1K +19 +13%
GM
1064
GeoWealth Management
Illinois
$103K -$97.7K -154 -49%
NB
1065
NBT Bank
New York
$103K – – –
HC
1066
Hara Capital
Washington
$102K -$101K -159 -50%
VWA
1067
VSM Wealth Advisory
Maryland
$95.1K – – –
IUHSA
1068
Itau Unibanco Holding S.A.
Brazil
$91K -$6.36K -10 -7%
PFG
1069
Putney Financial Group
California
$90.1K -$12.1K -19 -12%
OW
1070
Olistico Wealth
Oklahoma
$89.4K – – –
ST
1071
Smithfield Trust
Pennsylvania
$89K – – –
AT
1072
Arlington Trust
Alabama
$88.8K – – –
RF
1073
Rossby Financial
Florida
$86.8K +$86.8K +144 New
MA
1074
Montag & Associates
Georgia
$86.8K -$1.27K -2 -1%
GEA
1075
Glen Eagle Advisors
New Jersey
$86.3K – – –
41 42
43
44 45