# Septerna funding: rounds and investors

> Septerna has raised $150M across 1 round since 2023. Investors include RA Capital Management, Invus and Catalio Capital Management. Every round with its source.

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

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

# Who invested in *Septerna*

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

**$150M** raised across 1 round since 2023, from 1 source

- **Latest round:** Series B, $150M Jul 2023
- **Investors:** 4

See who backed them

## The rounds

- **Jul 2023** Series B **$150M** [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Invus](https://millionrounds.com/fund/invus) [Catalio Capital Management](https://millionrounds.com/fund/catalio-capital-management) [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) Source recorded SEC filing: $73M sold, first sale Jun 2023

## Founders and team

From the SEC filings it signed: 4 on the team.

- **Elizabeth Bhatt** Executive Officer i
- **Jeffrey Finer** Executive Officer, Director i
- **Ran Xiao** Executive Officer i
- **Samira Shaikhly** Executive Officer i

On the board, as filed i *Abraham Bassan* *Alan Ezekowitz* *Jake Simson* *Jeffrey Tong*

## Everyone who backed them

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

[Invus](https://millionrounds.com/fund/invus) Private equity **1** round

[Catalio Capital Management](https://millionrounds.com/fund/catalio-capital-management) VC firm **1** round

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

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

## Also claim to have backed them

This firm lists Septerna 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.

[Mirae Asset Capital Life Science](https://millionrounds.com/fund/mirae-asset-capital-life-science) Corporate VC Per its own site

## Quick answers about Septerna

### Who invested in Septerna?

Septerna's investors include RA Capital Management, Invus, Catalio Capital Management and Samsara BioCapital.

### How much has Septerna raised?

Septerna has raised $150M across 1 round since 2023.

### When did Septerna last raise?

Septerna's most recent round was a Series B of $150M in Jul 2023.

### What was Septerna's biggest round?

Its most recent round, $150M in Jul 2023, is also its largest on record.

### Who backed Septerna first?

Septerna's first round on record, in Jul 2023, was backed by RA Capital Management, Invus and Catalio Capital Management and 1 others.

### What stage is Septerna at?

Septerna's latest named round is a Series B, in Jul 2023.

### Where is Septerna based?

Septerna is based in the United States.

## Companies like Septerna

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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