Aiolos Bio
AcquiredAiolos Bio is a biotech company in San Francisco, United States, founded in 2023. It has raised $245.0M across 1 round, most recently a $245.0M Series A in October 2023.
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- Headquarters
- San Francisco, California
- Employees
- 11–50
- Founded
- 2023
- Business Model
- B2B
- Website
- aiolosbio.com
- Total Funding
- $245.0M
- Last Round
- $245.0M Series AOct 2023
- Rounds
- 1
- Acquisition Date
- Feb 2024
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 1 funding round and 8 investors for this company. The full record is or through the API.
About
Aiolos Bio was a San Francisco Bay Area-based clinical-stage biopharmaceutical company dedicated to revolutionizing the treatment landscape for respiratory and inflammatory diseases. Founded in 2023, the company launched with a $245 million Series A financing round co-led by Atlas Venture, Bain Capital Life Sciences, Forbion, and Sofinnova Investments. Its lead asset, AIO-001, is a novel long-acting monoclonal antibody targeting TSLP designed to treat asthma with twice-yearly dosing. GSK acquired Aiolos Bio in February 2024 for up to $1.4 billion including $1 billion upfront.
Summary
It lists 11–50 employees. It has raised $245.0M in total across 1 round, most recently a $245.0M Series A round in Oct 2023. Investors include GlaxoSmithKline, Atlas Venture and Bain Capital Life Sciences.
Tech & App Stack
2 technologies & apps tracked
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Funding & Exit History
Feb 2024
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Funding: Series A. Amounts, valuations, and investors where available.
Investors
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