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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 %
IA
751
Integrity Alliance
Iowa
$579K +$579K +913 New
KWM
752
Kingsview Wealth Management
Oregon
$576K -$59.6K -94 -9%
TA
753
Tectonic Advisors
Texas
$570K +$43.8K +69 +8%
PL
754
Plancorp LLC
Missouri
$569K -$1.27K -2 -0.2%
PM
755
Penbrook Management
New York
$569K – – –
IIC
756
Integrated Investment Consultants
Michigan
$567K +$181K +285 +47%
SI
757
Stephens Inc
Arkansas
$566K -$34.9K -55 -6%
MCM
758
MAI Capital Management
Ohio
$566K -$1.47M -2,318 -72%
BWAM
759
Boyd Watterson Asset Management
Ohio
$564K -$9.51K -15 -2%
CWM
760
Circle Wealth Management
New Jersey
$564K – – –
BSB
761
Bangor Savings Bank
Maine
$563K -$41.2K -65 -7%
AWM
762
Avior Wealth Management
Nebraska
$558K -$197K -310 -26%
SIC
763
Samalin Investment Counsel
New York
$554K +$74.2K +117 +15%
WS
764
Wedbush Securities
California
$552K +$17.7K +28 +3%
BC
765
Bridgefront Capital
Texas
$551K +$551K +868 New
SAM
766
Smartleaf Asset Management
Massachusetts
$548K -$58.7K -92 -10%
DCA
767
DSG Capital Advisors
Minnesota
$545K +$8.25K +13 +2%
MIC
768
Meridian Investment Counsel
California
$542K – – –
FPAS
769
Focus Partners Advisor Solutions
Missouri
$538K +$538K +849 New
IFWM
770
Institute for Wealth Management
Colorado
$538K – – –
MC
771
Moors & Cabot
Massachusetts
$536K +$38.1K +60 +8%
NED
772
Nancy E. Dempze
$533K -$76.1K -120 -13%
WT
773
Whittier Trust
California
$533K -$14.6K -23 -3%
CAU
774
Caxton Associates (UK)
$531K +$531K +838 New
WBC
775
Westpac Banking Corp
Australia
$527K -$100K -158 -16%
29 30
31
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