United Kingdom · 
Who invested in ThirtyFiveBio?
ThirtyFiveBio's investors include Innovate UK, Canaan and AbbVie.
2022202320242025
$306KRound?Venture
United Kingdom · Venture startup
Who invested in ThirtyFiveBio
Funding summaryUpdated 26 Oct 2026
$306Kraised across 2 rounds since 2021, from 2 sources
- Latest round
- VentureApr 2025
- Biggest round
- $306KRound · Dec 2021
- Investors
- 3
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Round, $306K Dec 2021
- Biggest round
- $306K Round · Dec 2021
- Between rounds
- 3.3 years from the last two
The rounds
- Apr 2025
- Dec 2021Round$306K
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Funding filed with regulators
ThirtyFiveBio filed one raise, $306K in all. Filings say how much was sold and to how many investors; they never name the investors.
- Dec 2021$306KUK share allotment
Founders and team
From ThirtyFiveBio's own website: 4 founders, 4 on the team.
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.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about ThirtyFiveBio
How much has ThirtyFiveBio raised?
ThirtyFiveBio has raised $306K across 2 rounds since 2021. One round did not disclose an amount, so the total is a floor.
When did ThirtyFiveBio last raise?
ThirtyFiveBio's most recent round was a Venture in Apr 2025.
What was ThirtyFiveBio's biggest round?
ThirtyFiveBio's largest round on record is $306K, in Dec 2021.
Who backed ThirtyFiveBio first?
ThirtyFiveBio's first round on record, in Apr 2025, was backed by Innovate UK, Canaan and AbbVie.
What stage is ThirtyFiveBio at?
ThirtyFiveBio's latest named round is a Venture, in Apr 2025.
Where is ThirtyFiveBio based?
ThirtyFiveBio is based in the United Kingdom.
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