# Sidera Bio funding: rounds and investors

> Sidera Bio has raised $109M across 1 round since 2025. Investors include RA Capital Management, Novo Holdings and Forbion Capital Partners.

Source: https://millionrounds.com/company/sidera-bio (Millionrounds; every figure on the page links to its filing or article)

Denmark · [Series A startup](https://millionrounds.com/companies)

# Who invested in *Sidera Bio*

One round we have observed, with the 4 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Genomics

Raised 11 months ago

Funding summary Updated 26 Oct 2026

**$109M** raised across 1 round since 2025, from 1 source

- **Latest round:** Series A, $109M Dec 2025
- **Investors:** 4

See who backed them

## The rounds

- **Dec 2025** Series A **$109M** [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Novo Holdings](https://millionrounds.com/fund/novo-ventures) [Forbion Capital Partners](https://millionrounds.com/fund/forbion-capital-partners) [Catalio Capital Management](https://millionrounds.com/fund/catalio-capital-management) Source recorded

## Everyone who backed them

[RA Capital Management](https://millionrounds.com/fund/ra-capital-management) Private equity **1** round

[Novo Holdings](https://millionrounds.com/fund/novo-ventures) VC firm **1** round

[Forbion Capital Partners](https://millionrounds.com/fund/forbion-capital-partners) Private equity **1** round

[Catalio Capital Management](https://millionrounds.com/fund/catalio-capital-management) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=sidera-bio).

## Quick answers about Sidera Bio

### Who invested in Sidera Bio?

Sidera Bio's investors include RA Capital Management, Novo Holdings, Forbion Capital Partners and Catalio Capital Management.

### 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.

## Companies like Sidera Bio

In the same sector, and raised in the last eighteen months.

[**Alvara Therapeutics** $646K · Sept 2026](https://millionrounds.com/company/alvara-therapeutics)[**gMendel** $1.4M · Apr 2026](https://millionrounds.com/company/gmendel)[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)[**BioLinker** $1.7M · Oct 2026](https://millionrounds.com/company/biolinker)[**Biotia** $12M · Oct 2026](https://millionrounds.com/company/biotia)

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