Who invested in Semarion

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.

Biotech

Raised 8 months ago

Funding summaryUpdated 26 Oct 2026

$9.3Mraised across 3 rounds since 2022, from 3 sources

$2.9MSeed$2.6MRound$3.8MVenture

Latest round: Venture, $3.8MMar 2026
Step-upi: 1.5×
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.

20222023202420252026

$2.9MSeed$2.6MRound$3.8MVenture

First round: Seed, $2.9M
Biggest round: $3.8M
Usual gap between rounds: 3.1 years

The rounds

Mar 2026
Venture$3.8M1 new1 returning
- Parkwalk
- The FSE Group
Source recorded
Mar 2025
Round$2.6M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Feb 2022
Seed$2.9M1 new
- Parkwalk
Source recorded

Funding filed with regulators

Semarion filed 3 raises, $5.4M in all. Filings say how much was sold and to how many investors; they never name the investors.

Mar 2026$586KUK share allotment
Mar 2025$2.6MUK share allotment
Feb 2022$2.2MUK share allotment

Founders and team

From Semarion's own website: 2 founders, 4 on the team.

Jeroen VerheyenCo-Founder & Chief Executive Officer

Tarun VemulkarCo-Founder & Chief Technology Officer

Ilaria SanzariManufacturing Operations Lead
Paul WallaceChair of the Board
Russell CowburnNon-Executive Director
Steve ChambersInvestment Director

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.

Seed2022Round2025Venture2026

Parkwalk

The FSE Group

Everyone who backed them

ParkwalkVC firm2rounds

The FSE GroupVC firm1round

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

Also claim to have backed them

These 2 firms list Semarion 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.