United Kingdom · Series A startup
3 rounds we have observed, with the 5 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.
Raised this month
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Funding summaryUpdated 7 Nov 2026
$98Mraised across 3 rounds since 2021, from 4 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
RA Capital ManagementLead
Sofinnova PartnersLead
Oxford Science Enterprises
University of Oxford
Cancer Research HorizonsReported by Google News search and 1 other
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Alethio Therapeutics filed 2 raises, $7.8M in all. Filings say how much was sold and to how many investors; they never name the investors.
From Alethio Therapeutics's own website: 1 founder, 7 on the team.
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
RA Capital ManagementLSofinnova PartnersLOxford Science EnterprisesUniversity of OxfordCancer Research HorizonsMissing a round, or an investor who was in one? Tell us.
Alethio Therapeutics's investors include RA Capital Management, Sofinnova Partners, Oxford Science Enterprises, University of Oxford and Cancer Research Horizons. RA Capital Management led its latest round.
Alethio Therapeutics has raised $98M across 3 rounds since 2021.
Alethio Therapeutics's most recent round was a Series A of $90M in Nov 2026, led by RA Capital Management.
Its most recent round, $90M in Nov 2026, is also its largest on record.
Alethio Therapeutics's first round on record, in Nov 2026, was backed by RA Capital Management, Sofinnova Partners and Oxford Science Enterprises and 2 others.
Alethio Therapeutics's latest named round is a Series A, in Nov 2026.
Alethio Therapeutics is based in the United Kingdom.
RA Capital Management led the Series A in 2026.
In the same sector, and raised in the last eighteen months.
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