
Sironax
Transformative therapies for degenerative diseases
Beijing, China · Founded 2017 · $200.0M raised
- Headquarters
- Beijing
- Employees
- 51–200
- Founded
- 2017
- Business Model
- B2B
- Website
- sironax.com
- Total Funding
- $200.0M
- Last Round
- $200.0M Series BAug 2022
- Rounds
- 2
About
Sironax is a clinical-stage biotechnology company founded in 2017 by Dr. Xiaodong Wang and Dr. Zhiyuan Zhang, targeting neurodegenerative, inflammatory, metabolic, and rare diseases. The company is advancing three clinical candidates—SIR2501, SIR9900, and SIR4156—with 170+ employees across the US, China, Switzerland, and Australia. In 2025, Sironax granted Novartis an exclusive option to acquire its Brain Delivery Platform.
Summary
Sironax is a Biotech company based in Beijing, China, founded in 2017. It has raised $200.0M in total across 2 rounds, most recently a $200.0M Series B round in Aug 2022. Investors include Gaorong Capital, Yunfeng Capital and Temasek.
Tech & App Stack
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Funding History
Aug 2022
Sign up to see all 2 rounds
Series A through Series B — per-round amounts, valuations, and who invested in each round.
Investors
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