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Estuary Biotherapeutics raises $93 million in Series A financing, led by RA Capital Management, to develop targeted gene therapies for kidney disease.

PRIVATEOct 16, 2026

Amount Raised

$93 Million

Round Type

Series A

BiotechnologyHealth CareGeneticsTherapeutics

Investors

National Kidney Foundation Innovation FundPivotal bioVenture PartnersUpmc EnterprisesBiogen New VenturesDeep Track CapitalRa Capital Management

Description

Estuary Biotherapeutics, which focuses on genetic medicines for serious kidney diseases, announced its launch with $103 million in total committed financing. The Series A funding of $93 million was led by RA Capital Management. Other investors included Deep Track Capital, Biogen New Ventures, UPMC Enterprises, Pivotal bioVenture Partners, and the National Kidney Foundation Innovation Fund. The funding will support the development of targeted gene therapies for kidney disease.

Company Information

Company

Estuary Biotherapeutics

About

Estuary Biotherapeutics, Inc. is a biotechnology company focused on developing genetic medicines for patients with serious kidney diseases. The company aims to create targeted gene therapies that address the underlying causes of these conditions. Its innovative approach may significantly improve treatment options for affected patients.

Fundz sees it the moment Estuary Biotherapeutics raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.

Predictive Intelligence
Strategic

ML-powered predictions for Estuary Biotherapeutics's next move

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Funding Insights

What this usually means
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months

Estuary Biotherapeutics raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include FundzWatch™ for automated website change detection, Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.