# Ambrosia Biosciences funding: rounds and investors

> Ambrosia Biosciences has raised $100M across 1 round since 2026. Investors include Janus Henderson Investors, Redmile Group and Samsara BioCapital.

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

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

# Who invested in *Ambrosia Biosciences*

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.

Pharma

Raised 8 months ago

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Funding summary Updated 27 Oct 2026

**$100M** raised across 1 round since 2026, from 1 source

- **Latest round:** Series B, $100M Mar 2026
- **Investors:** 4

See who backed them

## The rounds

- **Mar 2026** Series B **$100M** [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) [Redmile Group](https://millionrounds.com/fund/redmile-group) [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) [Blue Owl](https://millionrounds.com/fund/blue-owl) Source recorded

## Everyone who backed them

[Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) Private equity **1** round

[Redmile Group](https://millionrounds.com/fund/redmile-group) VC firm **1** round

[Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) VC firm **1** round

[Blue Owl](https://millionrounds.com/fund/blue-owl) Asset manager **1** round

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

## Quick answers about Ambrosia Biosciences

### Who invested in Ambrosia Biosciences?

Ambrosia Biosciences's investors include Janus Henderson Investors, Redmile Group, Samsara BioCapital and Blue Owl.

### How much has Ambrosia Biosciences raised?

Ambrosia Biosciences has raised $100M across 1 round since 2026.

### When did Ambrosia Biosciences last raise?

Ambrosia Biosciences's most recent round was a Series B of $100M in Mar 2026.

### What was Ambrosia Biosciences's biggest round?

Its most recent round, $100M in Mar 2026, is also its largest on record.

### Who backed Ambrosia Biosciences first?

Ambrosia Biosciences's first round on record, in Mar 2026, was backed by Janus Henderson Investors, Redmile Group and Samsara BioCapital and 1 others.

### What stage is Ambrosia Biosciences at?

Ambrosia Biosciences's latest named round is a Series B, in Mar 2026.

### Where is Ambrosia Biosciences based?

Ambrosia Biosciences is based in the United States.

## Companies like Ambrosia Biosciences

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

[**Matchpoint Therapeutics** $220M · Oct 2026](https://millionrounds.com/company/matchpoint-therapeutics)[**Rx Bandz** Oct 2026](https://millionrounds.com/company/rx-bandz)[**Hera Biotech** $1.8M · Sept 2026](https://millionrounds.com/company/hera-biotech)[**GevRx Nutraceuticals** $300K · Sept 2026](https://millionrounds.com/company/gevrx-nutraceuticals)[**Alzheon** $99M · Sept 2026](https://millionrounds.com/company/alzheon)[**RegCell** $81M · Sept 2026](https://millionrounds.com/company/regcell)

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