Spiral Therapeutics

South San Francisco, CA · Founded 2016 · Privately Held (backing)

Developer of drug therapies designed to treat inner ear disorders. Spiral Therapeutics is based in South San Francisco, CA and was founded in 2016. It was valued at $52 million at its later-stage round in Apr 2026, the last priced event on record. It has raised $51.2 million across 3 recorded rounds; the latest was a $27.1 million early-stage round in Sep 2025.

PMV mark · valuation
$52.0M
Oct 2026
Priced at
its later-stage round
Apr 2026
Total raised
$51.2M
Last round
Early Stage VC
Sep 2025

Who backs Spiral Therapeutics?

14 investors
InvestorType
StartX (US)Other
Catalio Capital ManagementVenture capital
Inveready Asset ManagementVenture capital
Wille FinanceFamily office
Albert ArmengolAngel
Bhansali EquitiesFamily office
Advanced Bionics—
Esperante Ventures—
Gund Investment (Mongolia)—
Humboldt Fund—
+ 4 more investors · a free account shows the complete list
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Spiral Therapeutics investors

14 investors are on record for Spiral Therapeutics, including StartX (US), Catalio Capital Management, Inveready Asset Management and Wille Finance. By type, the record holds 2 venture capital firms, 2 family offices and 1 angel investor. The early-stage round in Sep 2025 drew 34 investors.

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