# Nura Bio funding: rounds and investors

> Nura Bio has raised $142M across 2 rounds since 2024. Investors include Samsara BioCapital and Sanofi. Every round with its source.

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

United States · [Series B startup](https://millionrounds.com/companies)

# Who invested in *Nura Bio*

2 rounds we have observed, with the 2 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Biotech

Raised 5 months ago

Funding summary Updated 26 Oct 2026

**$142M** raised across 2 rounds since 2024, from 2 sources

**$68M** Series A **$74M** Series B

- **Latest round:** Series B, $74M Jun 2026
- **Investors:** 2

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2025 2026

**$68M** Series A

**$74M** Series B

- **First round:** Series A, $68M
- **Biggest round:** $74M
- **Between rounds:** 21 months

## The rounds

- **Jun 2026** Series B **$74M** *2 returning* [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) [Sanofi](https://millionrounds.com/fund/sanofi) Source recorded
- **Sept 2024** Series A **$68M** *2 new* [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) [Sanofi](https://millionrounds.com/fund/sanofi) Source recorded

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Series A** 2024 **Series B** 2026 [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) [Sanofi](https://millionrounds.com/fund/sanofi)

## Everyone who backed them

[Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) VC firm **2** rounds

[Sanofi](https://millionrounds.com/fund/sanofi) Investment firm **2** rounds

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

## Quick answers about Nura Bio

### Who invested in Nura Bio?

Nura Bio's investors include Samsara BioCapital and Sanofi.

### How much has Nura Bio raised?

Nura Bio has raised $142M across 2 rounds since 2024.

### When did Nura Bio last raise?

Nura Bio's most recent round was a Series B of $74M in Jun 2026.

### What was Nura Bio's biggest round?

Its most recent round, $74M in Jun 2026, is also its largest on record.

### Who backed Nura Bio first?

Nura Bio's first round on record, in Sept 2024, was backed by Samsara BioCapital and Sanofi.

### What stage is Nura Bio at?

Nura Bio's latest named round is a Series B, in Jun 2026.

### Where is Nura Bio based?

Nura Bio is based in the United States.

## Companies like Nura Bio

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)

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