# LEXEO Therapeutics funding: rounds and investors

> LEXEO Therapeutics has raised $154M across 1 round since 2025. Investors include RA Capital Management, Novo Holdings and Janus Henderson Investors.

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

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

# Who invested in *LEXEO Therapeutics*

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

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Funding summary Updated 27 Oct 2026

**$154M** raised across 1 round since 2025, from 1 source

- **Latest round:** Round, $154M Oct 2025
- **Investors:** 5

See who backed them

## The rounds

- **Oct 2025** Round **$154M** [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Novo Holdings](https://millionrounds.com/fund/novo-ventures) [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) [Invus](https://millionrounds.com/fund/invus) [Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) Source recorded

## Founders and team

From LEXEO Therapeutics's own website: 8 on the team.

- **R. Nolan Townsend** Chief Executive Officer
- **Jenny Speer** Vice President, People Experience
- **Louis Tamayo** Chief Financial Officer
- **Mette Kirstine Agger** Board Member
- **Paula H. J. Cholmondeley** Board Member
- **Reinaldo Diaz** Board Member
- **Tim Van Hauwermeiren** Board Member
- **Tolga Tanguler** Board Member

## 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

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

[Invus](https://millionrounds.com/fund/invus) Private equity **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=lexeo-therapeutics).

## Quick answers about LEXEO Therapeutics

### Who invested in LEXEO Therapeutics?

LEXEO Therapeutics's investors include RA Capital Management, Novo Holdings, Janus Henderson Investors, Invus and Adage Capital Management.

### How much has LEXEO Therapeutics raised?

LEXEO Therapeutics has raised $154M across 1 round since 2025.

### When did LEXEO Therapeutics last raise?

LEXEO Therapeutics's most recent round was an Undisclosed round of $154M in Oct 2025.

### What was LEXEO Therapeutics's biggest round?

Its most recent round, $154M in Oct 2025, is also its largest on record.

### Who backed LEXEO Therapeutics first?

LEXEO Therapeutics's first round on record, in Oct 2025, was backed by RA Capital Management, Novo Holdings and Janus Henderson Investors and 2 others.

### What stage is LEXEO Therapeutics at?

LEXEO Therapeutics's latest named round is an Undisclosed round, in Oct 2025.

### Where is LEXEO Therapeutics based?

LEXEO Therapeutics is based in the United States.

## Companies like LEXEO Therapeutics

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**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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