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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 %
NP
676
Nilsine Partners
Colorado
$854K +$216K +340 +34%
CCM
677
Coldstream Capital Management
Washington
$849K +$17.1K +27 +2%
WCM
678
Weaver Capital Management
Georgia
$847K -$29.2K -46 -3%
IB
679
Intrust Bank
Kansas
$845K – – –
AG
680
Ascent Group
Virginia
$840K +$594K +937 +242%
CCA
681
Cravens & Co Advisors
Tennessee
$816K +$78K +123 +11%
GI
682
GAMMA Investing
California
$816K +$240K +379 +42%
William Blair & Company
683
William Blair & Company
Illinois
$813K +$17.1K +27 +2%
MBT
684
Montecito Bank & Trust
California
$808K +$14K +22 +2%
MFGM
685
Marshall Financial Group (Maryland)
Maryland
$792K +$177K +279 +29%
VCM
686
Voleon Capital Management
California
$789K +$363K +573 +85%
AM
687
AGF Management
Ontario, Canada
$788K -$21.6K -34 -3%
WSFS
688
Wilmington Savings Fund Society
Delaware
$781K -$294K -464 -27%
Impax Asset Management Group
689
Impax Asset Management Group
United Kingdom
$779K -$878K -1,385 -53%
SSWM
690
Sheets Smith Wealth Management
North Carolina
$778K +$41.9K +66 +6%
Bessemer Group
691
Bessemer Group
New Jersey
$772K -$2.45M -3,860 -76%
PCM
692
Princeton Capital Management
New Jersey
$772K -$11.4K -18 -1%
TAM
693
Trust Asset Management
Texas
$769K -$15.2K -24 -2%
SAI
694
Savvy Advisors Inc
New York
$765K -$24.7K -39 -3%
KA
695
Kintegral Advisory
New York
$765K -$2.54K -4 -0.3%
AIM
696
Anchor Investment Management
South Carolina
$759K +$121K +191 +19%
CG
697
Caprock Group
Idaho
$758K -$287K -452 -27%
VFA
698
Valeo Financial Advisors
Indiana
$753K -$39.9K -63 -5%
LWL
699
Leo Wealth LLC
Texas
$748K +$345K +544 +86%
LC
700
Lindbrook Capital
California
$746K +$16.5K +26 +2%
26 27
28
29 30