# Peptone funding: rounds and investors

> Peptone has raised $63M across 2 rounds since 2022. Investors include Bessemer Venture Partners, Founders Factory and Hoxton Ventures.

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

United Kingdom · [Series A startup](https://millionrounds.com/companies)

# Who invested in *Peptone*

2 rounds we have observed, with the 3 investors named in them. 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

**$63M** raised across 2 rounds since 2022, from 2 sources

**$40M** Series A **$23M** Series A

- **Latest round:** Series A, $23M Sept 2023
- **Biggest round:** $40M Series A · Jun 2022
- **Investors:** 3

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2023

**$40M** Series A

**$23M** Series A

- **First round:** Series A, $40M
- **Biggest round:** $40M
- **Between rounds:** 16 months

## The rounds

- **Sept 2023** Series A **$23M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Jun 2022** Series A **$40M** *3 new* [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) [Founders Factory](https://millionrounds.com/fund/founder-s-factory) [Hoxton Ventures](https://millionrounds.com/fund/hoxton-ventures) Source recorded

## Funding filed with regulators

Peptone filed 2 raises, $38M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Sept 2023 **$23M** UK share allotment
- Apr 2022 **$15M** UK share allotment

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Series A** 2022 **Series A** 2023 [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) [Founders Factory](https://millionrounds.com/fund/founder-s-factory) [Hoxton Ventures](https://millionrounds.com/fund/hoxton-ventures)

## Everyone who backed them

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

[Founders Factory](https://millionrounds.com/fund/founder-s-factory) Accelerator **1** round

[Hoxton Ventures](https://millionrounds.com/fund/hoxton-ventures) Angel network **1** round

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

## Also claim to have backed them

This firm lists Peptone 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.

[Founders Factory Africa](https://millionrounds.com/fund/founders-factory-africa) VC firm Per its own site

## Quick answers about Peptone

### Who invested in Peptone?

Peptone's investors include Bessemer Venture Partners, Founders Factory and Hoxton Ventures.

### How much has Peptone raised?

Peptone has raised $63M across 2 rounds since 2022.

### When did Peptone last raise?

Peptone's most recent round was a Series A of $23M in Sept 2023.

### What was Peptone's biggest round?

Peptone's largest round on record is $40M (Series A), in Jun 2022.

### Who backed Peptone first?

Peptone's first round on record, in Jun 2022, was backed by Bessemer Venture Partners, Founders Factory and Hoxton Ventures.

### What stage is Peptone at?

Peptone's latest named round is a Series A, in Sept 2023.

### Where is Peptone based?

Peptone is based in the United Kingdom.

## Companies like Peptone

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

[**HydRegen** $12M · Oct 2026](https://millionrounds.com/company/hydregen)[**OMass Therapeutics** $442M · Oct 2026](https://millionrounds.com/company/omass-therapeutics)[**CMR Surgical** $1.1B · Oct 2026](https://millionrounds.com/company/cmr-surgical)[**Living Optics** $61M · Oct 2026](https://millionrounds.com/company/living-optics)[**Bactobio** $18M · Oct 2026](https://millionrounds.com/company/bactobio)[**RHYTHM AI** $23M · Sept 2026](https://millionrounds.com/company/rhythm-ai)

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