# Climb Bio funding: rounds and investors

> Climb Bio has raised $110M across 1 round since 2026. Investors include RA Capital Management, Janus Henderson Investors and Cormorant Asset Management.

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

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

# Who invested in *Climb Bio*

One round we have observed, with the 5 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.

Biotech

Raised 7 months ago

Funding summary Updated 26 Oct 2026

**$110M** raised across 1 round since 2026, from 1 source

- **Latest round:** Round, $110M Apr 2026
- **Investors:** 5

See who backed them

## The rounds

- **Apr 2026** Round **$110M** [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) [Cormorant Asset Management](https://millionrounds.com/fund/cormorant-asset-management) [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) [Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) Source recorded SEC filing: $110M sold

## Founders and team

From Climb Bio's own website: 2 on the team.

- **Ashley Jones** Senior Vice President, People & Workforce Strategy
- **Bo Cumbo** Board Member

## Everyone who backed them

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

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

[Cormorant Asset Management](https://millionrounds.com/fund/cormorant-asset-management) Private equity **1** round

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

[Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) Asset manager **1** round

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

## Also claim to have backed them

This firm lists Climb Bio as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[LifeArc Ventures](https://millionrounds.com/fund/lifearc-ventures) VC firm Per its own site

## Quick answers about Climb Bio

### Who invested in Climb Bio?

Climb Bio's investors include RA Capital Management, Janus Henderson Investors, Cormorant Asset Management, Samsara BioCapital and Adage Capital Management.

### How much has Climb Bio raised?

Climb Bio has raised $110M across 1 round since 2026.

### When did Climb Bio last raise?

Climb Bio's most recent round was an Undisclosed round of $110M in Apr 2026.

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

Its most recent round, $110M in Apr 2026, is also its largest on record.

### Who backed Climb Bio first?

Climb Bio's first round on record, in Apr 2026, was backed by RA Capital Management, Janus Henderson Investors and Cormorant Asset Management and 2 others.

### What stage is Climb Bio at?

Climb Bio's latest named round is an Undisclosed round, in Apr 2026.

### Where is Climb Bio based?

Climb Bio is based in the United States.

## Companies like Climb 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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