Sirius Therapeutics
Sirius Therapeutics, Inc.
San Diego, United States · Founded 2021 · $210.0M raised
- Headquarters
- San Diego, California
- Employees
- 51–200
- Founded
- 2021
- Business Model
- B2B
- Website
- siriusrna.com
- Total Funding
- $210.0M
- Last Round
- $60.0M Series AMay 2025
- Rounds
- 3
About
Sirius Therapeutics is a global clinical-stage biotechnology company dedicated to unlocking the clinical and commercial value of siRNA therapeutics, with a goal to transform the current standard of care for chronic diseases. The company develops first-in-class and best-in-class siRNA therapeutics targeting three mega-blockbuster franchises: coagulation disorders, cardiometabolic diseases, and obesity, underpinned by its proprietary PEPR siRNA technology platform. Founded in 2021, Sirius operates a hybrid model with teams in San Diego, USA, and Shanghai, China, combining early development capacity from China with global discovery and regulatory expertise from the U.S.
Summary
Sirius Therapeutics is a Biotech company based in San Diego, United States, founded in 2021. It has raised $210.0M in total across 3 rounds, most recently a $60.0M Series A round in May 2025. Investors include OrbiMed, Hankang Capital and Creacion Ventures.
Tech & App Stack
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Funding History
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May 2025
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Series A through Series B — per-round amounts, valuations, and who invested in each round.
Investors
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