# BoobyBiome funding: rounds and investors

> BoobyBiome has raised $4.6M across 4 rounds since 2022. Investors include Innovate UK and Flybridge. Every round with its source.

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

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

# Who invested in *BoobyBiome*

4 rounds we have observed, with the 2 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

**$4.6M** raised across 4 rounds since 2022, from 4 sources

**$251K** Round **$608K** Round **$298K** Round **$3.4M** Seed

- **Latest round:** Seed, $3.4M Sept 2025
- **Step-up i:** 11.4×
- **Investors:** 2

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 2024 2025

**$251K** Round

**$608K** Round

**$298K** Round

**$3.4M** Seed

- **First round:** Round, $251K
- **Biggest round:** $3.4M
- **Usual gap between rounds:** 5 months

## The rounds

- **Sept 2025** Seed **$3.4M** *2 new* [Innovate UK](https://millionrounds.com/fund/innovate-uk) [Flybridge](https://millionrounds.com/fund/flybridge) Source recorded
- **Apr 2025** Round **$298K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Jul 2022** Round **$608K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Apr 2022** Round **$251K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet

## Funding filed with regulators

BoobyBiome filed 4 raises, $1.6M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Aug 2025 **$453K** UK share allotment
- Apr 2025 **$298K** UK share allotment
- Jul 2022 **$608K** UK share allotment
- Apr 2022 **$251K** UK share allotment

## Founders and team

From BoobyBiome's own website: 3 founders.

**Dr Lydia Mapstone** Co-founder · CEO

**Dr Sioned Jones** Co-founder · COO

**Dr Tara O'Driscoll** Co-founder · CTO

## 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.

**Round** 2022 **Round** 2022 **Round** 2025 **Seed** 2025 [Innovate UK](https://millionrounds.com/fund/innovate-uk) [Flybridge](https://millionrounds.com/fund/flybridge)

## Everyone who backed them

[Innovate UK](https://millionrounds.com/fund/innovate-uk) VC firm **1** round

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

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

## Also claim to have backed them

These 3 firms list BoobyBiome 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.

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

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

[Lavender Ventures](https://millionrounds.com/fund/lavender-ventures) VC firm Per its own site

## Quick answers about BoobyBiome

### Who invested in BoobyBiome?

BoobyBiome's investors include Innovate UK and Flybridge.

### How much has BoobyBiome raised?

BoobyBiome has raised $4.6M across 4 rounds since 2022.

### When did BoobyBiome last raise?

BoobyBiome's most recent round was a Seed of $3.4M in Sept 2025.

### What was BoobyBiome's biggest round?

Its most recent round, $3.4M in Sept 2025, is also its largest on record.

### Who backed BoobyBiome first?

BoobyBiome's first round on record, in Sept 2025, was backed by Innovate UK and Flybridge.

### What stage is BoobyBiome at?

BoobyBiome's latest named round is a Seed, in Sept 2025.

### Where is BoobyBiome based?

BoobyBiome is based in the United Kingdom.

## Companies like BoobyBiome

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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