# Atsena Therapeutics funding: rounds and investors

> Atsena Therapeutics has raised $150M across 1 round since 2025. Investors include Bain Capital, Bain Capital Life Sciences and Wellington Management.

Source: https://millionrounds.com/company/atsena-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 *Atsena Therapeutics*

One round we have observed, with the 10 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 Genomics

Funding summary Updated 26 Oct 2026

**$150M** raised across 1 round since 2025, from 2 sources

- **Latest round:** Series C, $150M Apr 2025
- **Led by:** Bain Capital and Bain Capital Life Sciences
- **Investors:** 10 (2 led)

See who backed them

## The rounds

- **Apr 2025** Series C **$150M** [Bain Capital](https://millionrounds.com/fund/bain-capital) Lead [Bain Capital Life Sciences](https://millionrounds.com/fund/bain-capital-life-sciences) Lead [Wellington Management](https://millionrounds.com/fund/wellington-management) [Sofinnova Investments](https://millionrounds.com/fund/sofinnova-investments) [Hatteras Venture Partners](https://millionrounds.com/fund/hatteras-venture-partners) [Osage University Partners](https://millionrounds.com/fund/osage-university-partners) [Abingworth](https://millionrounds.com/fund/abingworth) [Lightstone Ventures](https://millionrounds.com/fund/lightstone-ventures) [Foundation Fighting Blindness](https://millionrounds.com/fund/foundation-fighting-blindness) [Manning Family Foundation](https://millionrounds.com/fund/manning-family-foundation) Reported by Hatteras Venture Partners and 1 other SEC filing: $90M sold, first sale Mar 2025

## Everyone who backed them

[Bain Capital](https://millionrounds.com/fund/bain-capital) Private equity **1** round, led 1

[Bain Capital Life Sciences](https://millionrounds.com/fund/bain-capital-life-sciences) Private equity **1** round, led 1

[Wellington Management](https://millionrounds.com/fund/wellington-management) VC firm **1** round

[Sofinnova Investments](https://millionrounds.com/fund/sofinnova-investments) VC firm **1** round

[Hatteras Venture Partners](https://millionrounds.com/fund/hatteras-venture-partners) VC firm **1** round

[Osage University Partners](https://millionrounds.com/fund/osage-university-partners) VC firm **1** round

[Abingworth](https://millionrounds.com/fund/abingworth) VC firm **1** round

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

[Foundation Fighting Blindness](https://millionrounds.com/fund/foundation-fighting-blindness) Government **1** round

[Manning Family Foundation](https://millionrounds.com/fund/manning-family-foundation) Institutional LP **1** round

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

## Quick answers about Atsena Therapeutics

### Who invested in Atsena Therapeutics?

Atsena Therapeutics's investors include Bain Capital, Bain Capital Life Sciences, Wellington Management, Sofinnova Investments and Hatteras Venture Partners, and 5 more on record. Bain Capital led its latest round.

### How much has Atsena Therapeutics raised?

Atsena Therapeutics has raised $150M across 1 round since 2025.

### When did Atsena Therapeutics last raise?

Atsena Therapeutics's most recent round was a Series C of $150M in Apr 2025, led by Bain Capital.

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

Its most recent round, $150M in Apr 2025, is also its largest on record.

### Who backed Atsena Therapeutics first?

Atsena Therapeutics's first round on record, in Apr 2025, was backed by Bain Capital, Bain Capital Life Sciences and Wellington Management and 7 others.

### What stage is Atsena Therapeutics at?

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

### Where is Atsena Therapeutics based?

Atsena Therapeutics is based in the United States.

### Who led Atsena Therapeutics's rounds?

Bain Capital led the Series C in 2025.

## Companies like Atsena Therapeutics

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

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**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)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app