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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 %
BIA
351
Biondo Investment Advisors
Pennsylvania
$5.37M +$4.81M +7,586 +867%
ACA
352
Atlas Capital Advisors
Wyoming
$5.36M -$5.07K -8 -0.1%
GCA
353
Greenwood Capital Associates
South Carolina
$5.35M +$5.35M +8,442 New
Mercer Global Advisors
354
Mercer Global Advisors
Colorado
$5.35M -$9.48M -14,954 -64%
MSU
355
Mizuho Securities USA
New York
$5.34M -$985K -1,553 -16%
NB
356
Norinchukin Bank
Japan
$5.31M +$1.63M +2,568 +44%
MML Investors Services
357
MML Investors Services
Massachusetts
$5.29M +$516K +813 +11%
CWG
358
Cornerstone Wealth Group
North Carolina
$5.24M +$2.79M +4,405 +114%
SWA
359
Stratos Wealth Advisors
Ohio
$5.22M -$225K -354 -4%
IC
360
IEQ Capital
California
$5.21M +$2.78M +4,381 +114%
Walleye Capital
361
Walleye Capital
New York
$5.2M -$1.19M -1,878 -19%
EG
362
Ellerson Group
Maryland
$5.16M +$775K +1,222 +18%
TRSOTSOK
363
Teachers Retirement System of the State of Kentucky
Kentucky
$5.16M +$100K +158 +2%
CCMINC
364
Cardinal Capital Management Inc (North Carolina)
North Carolina
$5.1M +$105K +165 +2%
IIM
365
INTECH Investment Management
Florida
$5.06M -$4.03M -6,356 -44%
FT
366
Fiduciary Trust
Massachusetts
$5.05M -$151K -238 -3%
SSA
367
Schonfeld Strategic Advisors
New York
$5M -$9.2M -14,508 -65%
MWM
368
Modera Wealth Management
New Jersey
$4.98M -$273K -430 -5%
BFIC
369
Bedell Frazier Investment Counselling
California
$4.96M +$1.85M +2,916 +59%
UM
370
UniSuper Management
Australia
$4.95M +$315K +496 +7%
Los Angeles Capital Management
371
Los Angeles Capital Management
California
$4.92M +$4.59M +7,239 +1,376%
GLF
372
Groupe la Francaise
France
$4.92M -$4.93M -8,034 -50%
SP
373
SIH Partners
Delaware
$4.92M +$4.92M +7,750 New
CI Investments Inc
374
CI Investments Inc
Ontario, Canada
$4.91M +$1.59M +2,508 +48%
FCMC
375
Founders Capital Management (Connecticut)
Connecticut
$4.91M -$147K -232 -3%
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