# Attovia Therapeutics funding: rounds and investors

> Attovia Therapeutics has raised $90M across 1 round since 2025. Investors include Cormorant Asset Management, Redmile Group and Sanofi.

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

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

# Who invested in *Attovia Therapeutics*

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.

Biotech

Funding summary Updated 26 Oct 2026

**$90M** raised across 1 round since 2025, from 1 source

- **Latest round:** Series C, $90M Apr 2025
- **Investors:** 4

See who backed them

## The rounds

- **Apr 2025** Series C **$90M** [Cormorant Asset Management](https://millionrounds.com/fund/cormorant-asset-management) [Redmile Group](https://millionrounds.com/fund/redmile-group) [Sanofi](https://millionrounds.com/fund/sanofi) [Illumina Ventures](https://millionrounds.com/fund/illumina-ventures) Source recorded

## Founders and team

From Attovia Therapeutics's own website: 1 founder, 4 on the team.

**Lassen Therapeutics** CSO and Co-Founder

- **Petter Veiby** Chief Scientific Officer
- **Steven Chan** Chief Financial Officer
- **John W. Smither** Director
- **Pioneering Medicines** Director of Clinical Research

## Everyone who backed them

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

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

[Sanofi](https://millionrounds.com/fund/sanofi) Investment firm **1** round

[Illumina Ventures](https://millionrounds.com/fund/illumina-ventures) VC firm **1** round

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

## Also claim to have backed them

This firm lists Attovia Therapeutics 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.

[Nextech Invest](https://millionrounds.com/fund/nextech-invest) Private equity Per its own site

## Quick answers about Attovia Therapeutics

### Who invested in Attovia Therapeutics?

Attovia Therapeutics's investors include Cormorant Asset Management, Redmile Group, Sanofi and Illumina Ventures.

### How much has Attovia Therapeutics raised?

Attovia Therapeutics has raised $90M across 1 round since 2025.

### When did Attovia Therapeutics last raise?

Attovia Therapeutics's most recent round was a Series C of $90M in Apr 2025.

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

Its most recent round, $90M in Apr 2025, is also its largest on record.

### Who backed Attovia Therapeutics first?

Attovia Therapeutics's first round on record, in Apr 2025, was backed by Cormorant Asset Management, Redmile Group and Sanofi and 1 others.

### What stage is Attovia Therapeutics at?

Attovia Therapeutics's latest named round is a Series C, in Apr 2025.

### Where is Attovia Therapeutics based?

Attovia Therapeutics is based in the United States.

## Companies like Attovia Therapeutics

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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