# Purespring Therapeutics funding: rounds and investors

> Purespring Therapeutics has raised $128M across 2 rounds since 2024. Investors include Sofinnova Partners and Forbion Capital Partners.

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

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

# Who invested in *Purespring Therapeutics*

2 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

**$128M** raised across 2 rounds since 2024, from 2 sources

**$105M** Series B **$24M** Round

- **Latest round:** Round, $24M Sept 2025
- **Biggest round:** $105M Series B · Oct 2024
- **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.

2025

**$105M** Series B

**$24M** Round

- **First round:** Series B, $105M
- **Biggest round:** $105M
- **Between rounds:** 11 months

## The rounds

- **Sept 2025** Round **$24M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Oct 2024** Series B **$105M** *2 new* [Sofinnova Partners](https://millionrounds.com/fund/sofinnova-partners) [Forbion Capital Partners](https://millionrounds.com/fund/forbion-capital-partners) Source recorded

## Funding filed with regulators

Purespring Therapeutics filed 4 raises, $84M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Sept 2025 **$24M** UK share allotment
- Oct 2024 **$61M** UK share allotment
- Sept 2022 **Amount not stated** UK share allotment
- Aug 2021 **Amount not stated** 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 B** 2024 **Round** 2025 [Sofinnova Partners](https://millionrounds.com/fund/sofinnova-partners) [Forbion Capital Partners](https://millionrounds.com/fund/forbion-capital-partners)

## Everyone who backed them

[Sofinnova Partners](https://millionrounds.com/fund/sofinnova-partners) VC firm **1** round

[Forbion Capital Partners](https://millionrounds.com/fund/forbion-capital-partners) Private equity **1** round

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

## Quick answers about Purespring Therapeutics

### Who invested in Purespring Therapeutics?

Purespring Therapeutics's investors include Sofinnova Partners and Forbion Capital Partners.

### How much has Purespring Therapeutics raised?

Purespring Therapeutics has raised $128M across 2 rounds since 2024.

### When did Purespring Therapeutics last raise?

Purespring Therapeutics's most recent round, $24M, was in Sept 2025.

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

Purespring Therapeutics's largest round on record is $105M (Series B), in Oct 2024.

### Who backed Purespring Therapeutics first?

Purespring Therapeutics's first round on record, in Oct 2024, was backed by Sofinnova Partners and Forbion Capital Partners.

### What stage is Purespring Therapeutics at?

Purespring Therapeutics's latest named round is a Series B, in Oct 2024.

### Where is Purespring Therapeutics based?

Purespring Therapeutics is based in the United Kingdom.

## Companies like Purespring Therapeutics

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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