REGN icon

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 %
UB
601
Umpqua Bank
Oregon
$1.16M +$188K +297 +19%
AMI
602
Amica Mutual Insurance
Rhode Island
$1.16M – – –
OPS
603
Orion Portfolio Solutions
Nebraska
$1.16M -$160K -252 -12%
BCI
604
Brinker Capital Investments
Pennsylvania
$1.16M -$160K -252 -12%
PCS
605
Personal CFO Solutions
New Jersey
$1.16M -$15.2K -24 -1%
AAS
606
Avantax Advisory Services
Texas
$1.15M +$124K +195 +12%
GF
607
Gabelli Funds
New York
$1.15M -$59K -93 -5%
AAI
608
American Assets Inc
California
$1.14M +$761K +1,200 +200%
Envestnet Portfolio Solutions
609
Envestnet Portfolio Solutions
Illinois
$1.12M -$579K -913 -34%
QT
610
Quantbot Technologies
New York
$1.12M +$784K +1,236 +234%
HW
611
Hancock Whitney
Mississippi
$1.12M -$3.58M -5,650 -76%
CIBC Private Wealth Group
612
CIBC Private Wealth Group
Georgia
$1.11M -$66.8K -120 -6%
CWMGP
613
Capstone Wealth Management Group (Pennsylvania)
Pennsylvania
$1.11M -$8.88K -14 -0.8%
BP
614
BNP Paribas
France
$1.1M +$38.1K +60 +4%
TAM
615
Tealwood Asset Management
Minnesota
$1.1M -$3.17K -5 -0.3%
FRM
616
Fox Run Management
Connecticut
$1.1M +$1.1M +1,734 New
PP
617
Prudential plc
United Kingdom
$1.09M -$1.11M -1,745 -50%
NWAG
618
Net Worth Advisory Group
Utah
$1.08M +$15.2K +24 +1%
AEPWM
619
Atlantic Edge Private Wealth Management
Florida
$1.08M – – –
GC
620
Gilbert & Cook
Iowa
$1.08M +$1.9K +3 +0.2%
BA
621
Bellwether Advisors
Nebraska
$1.08M +$1.08M +1,697 New
BCA
622
Bay Colony Advisors
Massachusetts
$1.07M +$250K +392 +31%
STA
623
Summit Trail Advisors
New York
$1.05M +$164K +259 +19%
OAM
624
Oak Asset Management
California
$1.04M – – –
HI
625
Horizon Investments
North Carolina
$1.04M +$37.4K +59 +4%
23 24
25
26 27