Who invested in Cumulus Neuroscience

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.

Healthcare

Funding summaryUpdated 26 Oct 2026

$19Mraised across 2 rounds since 2023, from 2 sources

$14MRound$4.8MVenture

Latest round: Venture, $4.8MJul 2025
Biggest round: $14MRound · Dec 2023
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.

20242025

$14MRound$4.8MVenture

First round: Round, $14M
Biggest round: $14M
Between rounds: 18 months

The rounds

Jul 2025
Venture$4.8M2 new
- Innovate UK
- ACF Investors
Source recorded
Dec 2023
Round$14M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet

Funding filed with regulators

Cumulus Neuroscience filed one raise, $14M in all. Filings say how much was sold and to how many investors; they never name the investors.

Dec 2023$14MUK share allotment

Founders and team

From Cumulus Neuroscience's own website: 9 on the team.

Tina SampathCEO
Siggi SaevarssonCOO
Terry ReillyCOO
Alexandra CowdenHead of Quality
Ian McCulloughHead of Product
Brian CummingsDirector
Graham FergusonDirector
Ricardo Sáinz FuertesChair
Robert BallantineDirector

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.

Round2023Venture2025

Innovate UK

ACF Investors

Everyone who backed them

Innovate UKVC firm1round

ACF InvestorsVC firm1round

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

Also claim to have backed them

These 2 firms list Cumulus Neuroscience 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.