Denmark · 
Who invested in Sidera Bio?
Sidera Bio's investors include RA Capital Management, Novo Holdings, Forbion Capital Partners and Catalio Capital Management.
Denmark · Series A startup
Who invested in Sidera Bio
Funding summaryUpdated 26 Oct 2026
$109Mraised across 1 round since 2025, from 1 source
- Latest round
- Series A, $109MDec 2025
- Investors
- 4
The rounds
- Dec 2025Series A$109M
Source recorded
Everyone who backed them
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Quick answers about Sidera Bio
How much has Sidera Bio raised?
Sidera Bio has raised $109M across 1 round since 2025.
When did Sidera Bio last raise?
Sidera Bio's most recent round was a Series A of $109M in Dec 2025.
What was Sidera Bio's biggest round?
Its most recent round, $109M in Dec 2025, is also its largest on record.
Who backed Sidera Bio first?
Sidera Bio's first round on record, in Dec 2025, was backed by RA Capital Management, Novo Holdings and Forbion Capital Partners and 1 others.
What stage is Sidera Bio at?
Sidera Bio's latest named round is a Series A, in Dec 2025.
Where is Sidera Bio based?
Sidera Bio is based in Denmark.
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