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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 %
CAM
1176
Close Asset Management
United Kingdom
$12K +$12K +19 New
SFG
1177
Stonebridge Financial Group
Pennsylvania
$11.4K +$634 +1 +6%
AA
1178
Addison Advisors
Vermont
$10.1K -$5.08K -8 -33%
RFA
1179
Reyes Financial Architecture
California
$10.1K -$44.4K -70 -81%
TC
1180
Truvestments Capital
Florida
$10.1K -$16.5K -26 -62%
CAL
1181
Capital Advisors Ltd
Ohio
$10K +$3.13K +5 +45%
HC
1182
Hurley Capital
New York
$9.51K +$9.51K +15 New
HBW
1183
Hazlett, Burt & Watson
West Virginia
$9K – – –
PP
1184
PFS Partners
New Jersey
$8.89K – – –
B
1185
Birchbrook
Maine
$8.88K – – –
CT
1186
Colonial Trust
South Carolina
$8.7K -$4.35K -7 -33%
MFT
1187
Moisand Fitzgerald Tamayo
Florida
$8.25K – – –
OP
1188
ORG Partners
Indiana
$8.02K +$8.02K +13 New
SO
1189
Sierra Ocean
California
$7.61K -$8.88K -14 -54%
FNWA
1190
Financial Network Wealth Advisors
Utah
$7.61K +$2.54K +4 +50%
TWD
1191
True Wealth Design
Ohio
$7.61K +$6.34K +10 +500%
LFASL
1192
Lugano Financial Advisors SA (LFA)
Switzerland
$7.61K +$7.61K +12 New
AGWCA
1193
Annis Gardner Whiting Capital Advisors
Florida
$6.98K -$3.81K -6 -35%
CWM
1194
Compass Wealth Management
Connecticut
$6.98K – – –
SIS
1195
Sound Income Strategies
Florida
$6.35K – – –
DIP
1196
DT Investment Partners
Pennsylvania
$6.34K – – –
FAM
1197
Flaharty Asset Management
Florida
$6.34K +$6.34K +10 New
CJH
1198
Christopher J. Hasenberg
Wisconsin
$6.17K – – –
PP
1199
Pacifica Partners
Canada
$6.11K – – –
CFG
1200
CKW Financial Group
Hawaii
$6K -$60K -100 -91%
46 47
48
49 50