Who invested in Refeyn

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

Raised 3 months ago

Funding summaryUpdated 26 Oct 2026

$30Mraised across 2 rounds since 2020, from 2 sources

$30MSeries A$214KRound

Latest round: Round, $214KJul 2026
Biggest round: $30MSeries A · Nov 2020
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.

202120222023202420252026

$30MSeries A$214KRound

First round: Series A, $30M
Biggest round: $30M
Between rounds: 5.8 years

The rounds

Jul 2026
Round$214K
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Nov 2020
Series A$30M3 new
Source recorded

Funding filed with regulators

Refeyn filed one raise, $214K in all. Filings say how much was sold and to how many investors; they never name the investors.

Jul 2026$214KUK 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 A2020Round2026

Horizons Ventures

Oxford Science Enterprises

Northpond Ventures

Everyone who backed them

Horizons VenturesVC firm1round

Oxford Science EnterprisesVC firm1round

Northpond VenturesPrivate equity1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

This firm lists Refeyn 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.