United Kingdom · Series B startup

Who invested in T-Therapeutics

5 rounds we have observed, with the 15 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.

BiotechHealthcare

Raised this month

Funding summaryUpdated 7 Nov 2026

$279Mraised across 5 rounds since 2024, from 7 sources

$66MSeries A$133MSeries B
Latest round
Series B, $133MNov 2026
Led by
British Business Bank and Advent Life Sciences Llp
Step-upi
4.2×
Investors
15 (2 led)
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.

20252026
$38MSeries A$11MSeries A$66MSeries A$32MSeries A$133MSeries B
First round
Series A, $38M
Mar 2024
Biggest round
$133M
Series B · Nov 2026
Usual gap between rounds
12 months
the median of 4

The rounds

  1. Nov 2026
  2. Nov 2025
  3. Aug 2025
    Series A$66M

    No investor was named in the report.

    Shares issued, filed with Companies House (SH01); no report of this raise yet

  4. May 2025
    Series A$11M

    No investor was named in the report.

    Shares issued, filed with Companies House (SH01); no report of this raise yet

  5. Mar 2024
    Series A$38M

    No investor was named in the report.

    Shares issued, filed with Companies House (SH01); no report of this raise yet

Funding filed with regulators

T-Therapeutics filed 4 raises, $76M in all. Filings say how much was sold and to how many investors; they never name the investors.

  1. Oct 2025$19MUK share allotment
  2. Aug 2025$33MUK share allotment
  3. May 2025$5.3MUK share allotment
  4. Mar 2024$19MUK share allotment

Founders and team

From T-Therapeutics's own website: 7 on the team.

  • E-Chiang Lee PhDExecutive Vice President of Research
  • Marc-Olivier Turgeon PhDVice President of Business Development & Strategy
  • Mateusz Wydro PhDVice President of CMC and Development
  • Chris Schiering PhDHead of Immunology
  • Anne Horgan PhDBoard Member
  • Luke Rajah PhDBoard Member
  • Samuel BjorkBoard Member

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

Tengxun TouziVC firm2rounds
Business Growth FundPrivate equity2rounds
Sofinnova PartnersVC firm2rounds
Digitalis VenturesVC firm2rounds
British Business BankCorporate VC1round, led 1
Advent Life Sciences LlpVC firm1round, led 1
F-Prime CapitalVC firm1round
Eli LillyCorporate VC1round
Samsara BioCapitalVC firm1round
SanofiInvestment firm1round
M/VENTURESVC firm1round
Sanofi VenturesCorporate VC1round
JJDCInvestment firm1round

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

Quick answers about T-Therapeutics

Who invested in T-Therapeutics?

T-Therapeutics's investors include Tengxun Touzi, Business Growth Fund, Sofinnova Partners, Digitalis Ventures and British Business Bank, and 10 more on record. British Business Bank led its latest round.

How much has T-Therapeutics raised?

T-Therapeutics has raised $279M across 5 rounds since 2024.

When did T-Therapeutics last raise?

T-Therapeutics's most recent round was a Series B of $133M in Nov 2026, led by British Business Bank.

What was T-Therapeutics's biggest round?

Its most recent round, $133M in Nov 2026, is also its largest on record.

Who backed T-Therapeutics first?

T-Therapeutics's first round on record, in Nov 2025, was backed by Tengxun Touzi, Business Growth Fund and Sofinnova Partners and 2 others.

What stage is T-Therapeutics at?

T-Therapeutics's latest named round is a Series B, in Nov 2026.

Where is T-Therapeutics based?

T-Therapeutics is based in the United Kingdom.

Who led T-Therapeutics's rounds?

British Business Bank led the Series B in 2026.

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