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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 %
BTW
651
Boston Trust Walden
Massachusetts
$922K – – –
RCAG
652
Rehmann Capital Advisory Group
Michigan
$921K +$488K +770 +113%
BB
653
Busey Bank
Illinois
$920K -$24.7K -39 -3%
CWM
654
Congress Wealth Management
Massachusetts
$920K +$920K +1,428 New
GSEP
655
Golden State Equity Partners
California
$917K +$55.8K +88 +6%
BWP
656
Balboa Wealth Partners
Arizona
$916K -$4.44K -7 -0.5%
SC
657
Syon Capital
California
$916K +$103K +162 +13%
HI
658
Humankind Investments
New York
$907K +$83.7K +132 +10%
WA
659
Waverly Advisors
Alabama
$904K +$92.6K +146 +11%
JCM
660
Jacobi Capital Management
Pennsylvania
$904K +$67.9K +107 +8%
AIIMS
661
Analyst IMS Investment Management Services
Israel
$904K – – –
DFA
662
Delta Financial Advisors
Louisiana
$903K +$44.4K +70 +5%
TAIM
663
Te Ahumairangi Investment Management
New Zealand
$896K +$896K +1,412 New
MCM
664
Monarch Capital Management
Indiana
$890K +$214K +337 +32%
NAAA
665
New Age Alpha Advisors
New York
$890K -$4.38M -6,909 -83%
Marshall Wace
666
Marshall Wace
United Kingdom
$888K -$79.9M -126,000 -99%
GITFIT
667
Generali Investments Towarzystwo Funduszy Inwestycyjnych (TFI)
Poland
$888K -$634 -1 -0.1%
MAWA
668
Moss Adams Wealth Advisors
Washington
$878K +$17.1K +27 +2%
IPAM
669
ICICI Prudential Asset Management
India
$874K -$18.4K -29 -2%
EWM
670
Evercore Wealth Management
New York
$871K +$45K +71 +5%
VNA
671
Valley National Advisers
Pennsylvania
$869K +$83.7K +132 +11%
DWM
672
Dakota Wealth Management
Florida
$867K +$634 +1 +0.1%
ACM
673
ADAR1 Capital Management
Texas
$863K – – –
NG
674
Novem Group
New York
$863K +$205K +323 +31%
FTWA
675
Fifth Third Wealth Advisors
Ohio
$861K +$164K +258 +23%
25 26
27
28 29