Who invested in Jack Fertility

3 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.

Femtech

Funding summaryUpdated 26 Oct 2026

$5.8Mraised across 3 rounds since 2024, from 3 sources

$4.9MRound$222KRound$674KPre-seed

Latest round: Pre-seed, $674KOct 2025
Biggest round: $4.9MRound · Jul 2024
Step-upi: 3×
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

$4.9MRound$222KRound$674KPre-seed

First round: Round, $4.9M
Biggest round: $4.9M
Usual gap between rounds: 8 months

The rounds

Oct 2025
Pre-seed$674K2 new
- Fuel Ventures
- Founders Factory
Source recorded
Mar 2025
Round$222K
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Jul 2024
Round$4.9M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet

Funding filed with regulators

Jack Fertility filed 2 raises, $5.1M in all. Filings say how much was sold and to how many investors; they never name the investors.

Mar 2025$222KUK share allotment
Jul 2024$4.9MUK 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.

Round2024Round2025Pre-seed2025

Fuel Ventures

Founders Factory

Everyone who backed them

Fuel VenturesVC firm1round

Founders FactoryAccelerator1round

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

Also claim to have backed them

This firm lists Jack Fertility 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.