R1 Therapeutics

Raised $77.5M in a Series A round, announced 17 March 2026.

Total raised
$77.5M

Latest round Series ACountry United StatesSector Health

Round

$77.5MSeries A, 17 March 2026

Launch financing funds a Phase 2b study of AP306, licensed from Alebund outside Greater China.

Amount
$77.5M
Stage
Series A
Announced
17 March 2026
Lead
Abingworth
Other investors
DaVita Venture Group, F-Prime, Curie.Bio, SymBiosis, U.S. Renal Care
Use of funds
Launch financing funds a Phase 2b study of AP306, licensed from Alebund outside Greater China.
Checked
Announced by the company
Sources
R1 Therapeutics launches with $77.5M Series A for kidney disease biospace.com
R1 Therapeutics launches with $77.5M Series A for kidney disease techstartups.com
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Company

Develops AP306 for hyperphosphatemia in dialysis kidney disease patients

Based in
Redwood City, United States
Sector
Health
Website
r1therapeutics.com ↗

Links

Website
r1therapeutics.com ↗

Questions

How much has R1 Therapeutics raised?

R1 Therapeutics raised $77.5M in a Series A round, announced on 17 March 2026.

Who invested in R1 Therapeutics?

Abingworth led. Investors include Abingworth, DaVita Venture Group, F-Prime, Curie.Bio, SymBiosis and U.S. Renal Care.