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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 %
PP
1001
Paloma Partners
Connecticut
$223K +$223K +352 New
WG
1002
Welch Group
Alabama
$220K -$14.7K -23 -6%
PPWP
1003
Premier Path Wealth Partners
New Jersey
$218K +$218K +344 New
CC
1004
Callan Capital
California
$218K -$43.1K -68 -17%
GAA
1005
Green Alpha Advisors
Colorado
$218K -$8.88K -14 -4%
BCWM
1006
Bartlett & Co Wealth Management
Ohio
$218K – – –
HTC
1007
Haverford Trust Company
Pennsylvania
$218K +$15.9K +25 +8%
KRW
1008
Kaufman Rossin Wealth
Florida
$218K +$218K +344 New
SIA
1009
Strategic Investment Advisors
Michigan
$218K -$26.7K -42 -11%
AAA
1010
American Alpha Advisors
New York
$217K +$217K +342 New
PWAM
1011
Papamarkou Wellner Asset Management
New York
$216K +$216K +340 New
KA
1012
Kovack Advisors
Florida
$211K +$6.98K +11 +3%
NA
1013
Nautilus Advisors
California
$211K +$22.2K +35 +12%
PAS
1014
PKS Advisory Services
New York
$211K +$211K +333 New
SW
1015
Simplicity Wealth
New Jersey
$210K +$210K +331 New
BTI
1016
Blue Trust Inc
Georgia
$210K +$32.3K +51 +18%
KCM
1017
KRS Capital Management
Michigan
$209K – – –
PIA
1018
Perennial Investment Advisors
California
$209K +$209K +329 New
PCP
1019
Proficio Capital Partners
Massachusetts
$207K +$12.1K +19 +6%
MAP
1020
Moody Aldrich Partners
Massachusetts
$207K +$207K +327 New
SMA
1021
Sage Mountain Advisors
Georgia
$205K -$64.1K -101 -24%
GLA
1022
Good Life Advisors
Pennsylvania
$204K +$11.4K +18 +6%
RI
1023
Rinkey Investments
California
$204K – – –
CAM
1024
Cozad Asset Management
Illinois
$203K -$1.87M -2,953 -90%
WCA
1025
Westover Capital Advisors
Delaware
$203K – – –
39 40
41
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