Sironax
Transformative therapies for degenerative diseases
Sironax was founded in 2017, is headquartered in Beijing, China, lists 51–200 employees, and has $200.0M in recorded funding across 2 rounds.
- 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
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 2 funding rounds and 6 investors for this company. The full record is or through the API.
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 lists 51–200 employees. 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
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Funding: Series A through Series B. Amounts, valuations, and investors where available.
Investors
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