Overview
R1 Therapeutics, Inc., a Redwood City, CA-based biopharmaceutical company focused on developing therapies for kidney disease, extended its Series A financing to $80.5M, expanding on the $77.5M round announced in March 2026. The $3M expansion came from new investor Samsara BioCapital, who joined an investor syndicate including Abingworth, DaVita Venture Group, F-Prime, Curie.Bio, SNMA Capital (formerly Symbiosis Capital Management), and U.S. Renal Care....See more
Website
https://r1therapeutics.com/Headquarters
Redwood City, CA
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Funding Rounds (1)
$3.0M • Series A
Announced on 9/30/2026
Series A extension: $3M new capital; cumulative round $80.5M
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