United Kingdom · 
Who invested in Oak Hill Bio?
Oak Hill Bio's investors include Janus Henderson Investors.
20222023202420252026
$1.3MSeries B$6.4MSeries B$33MSeries A
United Kingdom · Series A startup
Who invested in Oak Hill Bio
Funding summaryUpdated 26 Oct 2026
$40Mraised across 3 rounds since 2022, from 3 sources
$1.3MSeries B$6.4MSeries B$33MSeries A
- Latest round
- Series A, $33MJun 2026
- Step-upi
- 5.1×
- Investors
- 1
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series B, $1.3M Jan 2022
- Biggest round
- $33M Series A · Jun 2026
- Usual gap between rounds
- 3.8 years the median of 2
The rounds
- Jun 2026
- Nov 2025Series B$6.4M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
- Jan 2022Series B$1.3M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Funding filed with regulators
Oak Hill Bio filed 3 raises, $7.7M in all. Filings say how much was sold and to how many investors; they never name the investors.
- Nov 2025$6.4MUK share allotment
- Jan 2022$264KUK share allotment
- Jan 2022$995KUK share allotment
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Oak Hill Bio
How much has Oak Hill Bio raised?
Oak Hill Bio has raised $40M across 3 rounds since 2022.
When did Oak Hill Bio last raise?
Oak Hill Bio's most recent round was a Series A of $33M in Jun 2026.
What was Oak Hill Bio's biggest round?
Its most recent round, $33M in Jun 2026, is also its largest on record.
Who backed Oak Hill Bio first?
Oak Hill Bio's first round on record, in Jun 2026, was backed by Janus Henderson Investors.
What stage is Oak Hill Bio at?
Oak Hill Bio's latest named round is a Series A, in Jun 2026.
Where is Oak Hill Bio based?
Oak Hill Bio is based in the United Kingdom.
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