# Seres Therapeutics funding: rounds and investors

> Seres Therapeutics has raised $3.6M across 1 round since 2025. Investors include RA Capital Management, Mayo Clinic and Flagship Pioneering.

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

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

# Who invested in *Seres Therapeutics*

One round we have observed, with the 3 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.

Pharma

Funding summary Updated 26 Oct 2026

**$3.6M** raised across 1 round since 2025, from 1 source

- **Latest round:** Grant, $3.6M Oct 2025
- **Investors:** 3

See who backed them

## The rounds

- **Oct 2025** Grant **$3.6M** [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Mayo Clinic](https://millionrounds.com/fund/mayo-clinic) [Flagship Pioneering](https://millionrounds.com/fund/flagship-pioneering) Source recorded

## Founders and team

From Seres Therapeutics's own website: 2 on the team.

- **Richard Kender** Executive Chair and Interim Chief Executive Officer
- **Chris McChalicher** EVP, Chief Technology Officer

Advisers *Stephen Berenson*

## Everyone who backed them

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

[Mayo Clinic](https://millionrounds.com/fund/mayo-clinic) Investment firm **1** round

[Flagship Pioneering](https://millionrounds.com/fund/flagship-pioneering) VC firm **1** round

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

## Quick answers about Seres Therapeutics

### Who invested in Seres Therapeutics?

Seres Therapeutics's investors include RA Capital Management, Mayo Clinic and Flagship Pioneering.

### How much has Seres Therapeutics raised?

Seres Therapeutics has raised $3.6M across 1 round since 2025.

### When did Seres Therapeutics last raise?

Seres Therapeutics's most recent round was a Grant of $3.6M in Oct 2025.

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

Its most recent round, $3.6M in Oct 2025, is also its largest on record.

### Who backed Seres Therapeutics first?

Seres Therapeutics's first round on record, in Oct 2025, was backed by RA Capital Management, Mayo Clinic and Flagship Pioneering.

### What stage is Seres Therapeutics at?

Seres Therapeutics's latest named round is a Grant, in Oct 2025.

### Where is Seres Therapeutics based?

Seres Therapeutics is based in the United States.

## Companies like Seres Therapeutics

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

[**Matchpoint Therapeutics** $220M · Oct 2026](https://millionrounds.com/company/matchpoint-therapeutics)[**Rx Bandz** Oct 2026](https://millionrounds.com/company/rx-bandz)[**Hera Biotech** $1.8M · Sept 2026](https://millionrounds.com/company/hera-biotech)[**GevRx Nutraceuticals** $300K · Sept 2026](https://millionrounds.com/company/gevrx-nutraceuticals)[**RegCell** $81M · Sept 2026](https://millionrounds.com/company/regcell)[**ClearSight Therapeutics** $307K · Sept 2026](https://millionrounds.com/company/clearsight-therapeutics)

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