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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 %
TCA
1251
Trifecta Capital Advisors
Illinois
$1.27K -$77.4K -122 -98%
SIC
1252
SJS Investment Consulting
Ohio
$1.27K -$635 -1 -33%
CTWM
1253
Cherry Tree Wealth Management
Minnesota
$1.27K – – –
CA
1254
Continuum Advisory
Idaho
$1.27K -$2.54K -4 -67%
DI
1255
DAGCO Inc
Ohio
$1.27K +$1.27K +2 New
NEWAS
1256
N.E.W. Advisory Services
Wisconsin
$1.27K +$1.27K +2 New
T
1257
TOBAM
France
$1K -$298K -595 -100%
PMAM
1258
Picton Mahoney Asset Management
Ontario, Canada
$1K – – –
FMTCOCP
1259
Farmers & Merchants Trust Co of Chambersburg PA
Pennsylvania
$1K +$1K +2 New
KIM
1260
Kestra Investment Management
Texas
$635 -$799K -1,259 -100%
RPA
1261
Redwood Park Advisors
California
$635 – – –
RWM
1262
Rialto Wealth Management
New York
$635 +$635 +1 New
ACA
1263
American Capital Advisory
Idaho
$635 +$635 +1 New
CA
1264
Crewe Advisors
Utah
$635 +$635 +1 New
CIAS
1265
CBIZ Investment Advisory Services
Ohio
$634 -$634 -1 -50%
JSAM
1266
J. Safra Asset Management
New York
$634 -$634 -1 -50%
RWM
1267
Ruedi Wealth Management
Illinois
$634 – – –
CAWM
1268
Capital A Wealth Management
Pennsylvania
$634 – – –
PWM
1269
Parkworth Wealth Management
California
$634 – – –
M
1270
MOTCO
Texas
$634 +$634 +1 New
GA
1271
GoalVest Advisory
New York
$634 +$634 +1 New
GP
1272
Greenline Partners
New York
$634 +$634 +1 New
Q1WB
1273
Quest 10 Wealth Builders
Virginia
$381 +$381 +1 New
Norges Bank
1274
Norges Bank
Norway
– -$802M -1,125,933 Closed
Ninety One (UK)
1275
Ninety One (UK)
United Kingdom
– -$55.6M -78,005 Closed
49 50
51
52 53