United States · 
Who invested in Aiolos Bio?
Aiolos Bio's investors include Atlas Venture, RA Capital Management, Forbion Capital Partners and Bain Capital Life Sciences.
United States · Series A startup
Who invested in Aiolos Bio
Funding summaryUpdated 26 Oct 2026
$245Mraised across 1 round since 2023, from 1 source
- Latest round
- Series A, $245MOct 2023
- Investors
- 4
The rounds
- Oct 2023Series A$245M
Source recorded
Everyone who backed them
Bain Capital Life SciencesPrivate equity1round
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Quick answers about Aiolos Bio
How much has Aiolos Bio raised?
Aiolos Bio has raised $245M across 1 round since 2023.
When did Aiolos Bio last raise?
Aiolos Bio's most recent round was a Series A of $245M in Oct 2023.
What was Aiolos Bio's biggest round?
Its most recent round, $245M in Oct 2023, is also its largest on record.
Who backed Aiolos Bio first?
Aiolos Bio's first round on record, in Oct 2023, was backed by Atlas Venture, RA Capital Management and Forbion Capital Partners and 1 others.
What stage is Aiolos Bio at?
Aiolos Bio's latest named round is a Series A, in Oct 2023.
Where is Aiolos Bio based?
Aiolos Bio is based in the United States.
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