# Persephone Biosciences funding: rounds and investors

> Persephone Biosciences has raised $15M across 1 round since 2022. Investors include Y Combinator, Pioneer Fund and ZhenFund. Every round with its source.

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

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

# Who invested in *Persephone Biosciences*

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.

AI

Y Combinator: W18

Funding summary Updated 26 Oct 2026

**$15M** raised across 1 round since 2022, from 1 source

- **Latest round:** Seed, $15M Jul 2022
- **Investors:** 5

See who backed them

## The rounds

- **Jul 2022** Seed **$15M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [ZhenFund](https://millionrounds.com/fund/zhenfund) [Susa Ventures](https://millionrounds.com/fund/susa-ventures) [Fifty Years](https://millionrounds.com/fund/fifty-years-industries-llc) Source recorded

## Founders and team

From Persephone Biosciences's own website: 4 on the team.

- **Gillian Snyder** Head of Marketing
- **Daniel Bradbury** Chairman, Board of Directors
- **Shaun Singer** Director of Poop for the Cure®
- **Veronique Riethuisen** Board Member and CBO

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **1** round

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

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

[Fifty Years](https://millionrounds.com/fund/fifty-years-industries-llc) VC firm **1** round

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

## Also claim to have backed them

These 4 firms list Persephone Biosciences as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Capita3](https://millionrounds.com/fund/capita3) VC firm Per its own site

[First Bight Ventures](https://millionrounds.com/fund/first-bight-ventures) VC firm Per its own site

[For Good Ventures](https://millionrounds.com/fund/for-good-ventures) VC firm Per its own site

[Ocampo Capital](https://millionrounds.com/fund/ocampo-capital) VC firm Per its own site

## Quick answers about Persephone Biosciences

### Who invested in Persephone Biosciences?

Persephone Biosciences's investors include Y Combinator, Pioneer Fund, ZhenFund, Susa Ventures and Fifty Years.

### How much has Persephone Biosciences raised?

Persephone Biosciences has raised $15M across 1 round since 2022.

### When did Persephone Biosciences last raise?

Persephone Biosciences's most recent round was a Seed of $15M in Jul 2022.

### What was Persephone Biosciences's biggest round?

Its most recent round, $15M in Jul 2022, is also its largest on record.

### Who backed Persephone Biosciences first?

Persephone Biosciences's first round on record, in Jul 2022, was backed by Y Combinator, Pioneer Fund and ZhenFund and 2 others.

### What stage is Persephone Biosciences at?

Persephone Biosciences's latest named round is a Seed, in Jul 2022.

### Where is Persephone Biosciences based?

Persephone Biosciences is based in the United States.

## Companies like Persephone Biosciences

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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