# Spirea funding: rounds and investors

> Spirea has raised $3.4M across 3 rounds since 2022. Investors include Innovate UK, IP Group and SyndicateRoom. Every round with its source.

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

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

# Who invested in *Spirea*

3 rounds we have observed, with the 4 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

Raised 5 months ago

Funding summary Updated 26 Oct 2026

**$3.4M** raised across 3 rounds since 2022, from 3 sources

**$2.9M** Venture **$243K** Round **$261K** Round

- **Latest round:** Round, $261K May 2026
- **Biggest round:** $2.9M Venture · Jun 2022
- **Investors:** 4

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 2026

**$2.9M** Venture

**$243K** Round

**$261K** Round

- **First round:** Venture, $2.9M
- **Biggest round:** $2.9M
- **Usual gap between rounds:** 3.6 years

## The rounds

- **May 2026** Round **$261K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Oct 2022** Round **$243K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Jun 2022** Venture **$2.9M** *4 new* [Innovate UK](https://millionrounds.com/fund/innovate-uk) [IP Group](https://millionrounds.com/fund/ip-group) [SyndicateRoom](https://millionrounds.com/fund/syndicateroom) [ACF Investors](https://millionrounds.com/fund/acf-investors) Source recorded

## Funding filed with regulators

Spirea filed 2 raises, $504K in all. Filings say how much was sold and to how many investors; they never name the investors.

- May 2026 **$261K** UK share allotment
- Oct 2022 **$243K** 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.

**Venture** 2022 **Round** 2022 **Round** 2026 [Innovate UK](https://millionrounds.com/fund/innovate-uk) [IP Group](https://millionrounds.com/fund/ip-group) [SyndicateRoom](https://millionrounds.com/fund/syndicateroom) [ACF Investors](https://millionrounds.com/fund/acf-investors)

## Everyone who backed them

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

[IP Group](https://millionrounds.com/fund/ip-group) VC firm **1** round

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

[ACF Investors](https://millionrounds.com/fund/acf-investors) VC firm **1** round

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

## Also claim to have backed them

This firm lists Spirea 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.

[Meltwind Advisory](https://millionrounds.com/fund/meltwind-advisory) VC firm Per its own site

## Quick answers about Spirea

### Who invested in Spirea?

Spirea's investors include Innovate UK, IP Group, SyndicateRoom and ACF Investors.

### How much has Spirea raised?

Spirea has raised $3.4M across 3 rounds since 2022.

### When did Spirea last raise?

Spirea's most recent round, $261K, was in May 2026.

### What was Spirea's biggest round?

Spirea's largest round on record is $2.9M (Venture), in Jun 2022.

### Who backed Spirea first?

Spirea's first round on record, in Jun 2022, was backed by Innovate UK, IP Group and SyndicateRoom and 1 others.

### What stage is Spirea at?

Spirea's latest named round is a Venture, in Jun 2022.

### Where is Spirea based?

Spirea is based in the United Kingdom.

## Companies like Spirea

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)

## Find investors like these

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