Who invested in Diffblue

5 rounds we have observed, with the 8 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.

AIEducation

Funding summaryUpdated 26 Oct 2026

$39Mraised across 5 rounds since 2017, from 5 sources

$22MSeries A$1.6MRound$7.6MRound$6.3MRound$1.3MGrant

Latest round: Grant, $1.3MMar 2025
Biggest round: $22MSeries A · Jun 2017
Investors: 8 (1 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.

20172019202120232025

$22MSeries A$1.6MRound$7.6MRound$6.3MRound$1.3MGrant

First round: Series A, $22M
Biggest round: $22M
Usual gap between rounds: 21 months

The rounds

Mar 2025
Grant$1.3M4 new
Source recorded
Sept 2024
Round$6.3M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Nov 2022
Round$7.6M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Jan 2022
Round$1.6M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Jun 2017
Series A$22M4 new
- Goldman SachsLead
- Goldman Sachs Principal/ Oxford Sciences Innovations
- Innovations Fund
- Oxford Technology
Reported by TechCrunch

Funding filed with regulators

Diffblue filed 4 raises, $16M in all. Filings say how much was sold and to how many investors; they never name the investors.

Oct 2024$2.4MUK share allotment
Sept 2024$3.9MUK share allotment
Nov 2022$7.6MUK share allotment
Jan 2022$1.6MUK share allotment

Founders and team

From Diffblue's own website: 1 founder, 3 on the team.

Peter SchrammelCo-Founder & CTO

James Barrington-WellsChief Finance Officer
Thomas Given-WilsonHead Of Engineering
Jane SilberChair

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.

Series A2017Round2022Round2022Round2024Grant2025

Oxford Science EnterprisesGoldman Sachs Principal/ Oxford Sciences InnovationsInnovations FundOxford Technology

Everyone who backed them

Goldman SachsPrivate equity1round, led 1

Innovate UKVC firm1round

ParkwalkVC firm1round

IP GroupVC firm1round

Oxford Science EnterprisesVC firm1round

Goldman Sachs Principal/ Oxford Sciences Innovationsno record of our own yet1round

Innovations Fundno record of our own yet1round

Oxford Technologyno record of our own yet1round

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

Also claim to have backed them

These 2 firms list Diffblue 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.

AlbionVCVC firmPer its own site

Touchstone InnovationsVC firmPer its own site

Quick answers about Diffblue

Who invested in Diffblue?

Diffblue's investors include Goldman Sachs, Innovate UK, Parkwalk, IP Group and Oxford Science Enterprises, and 3 more on record.

How much has Diffblue raised?

Diffblue has raised $39M across 5 rounds since 2017.

When did Diffblue last raise?

Diffblue's most recent round was a Grant of $1.3M in Mar 2025.

What was Diffblue's biggest round?

Diffblue's largest round on record is $22M (Series A), in Jun 2017, led by Goldman Sachs.

Who backed Diffblue first?

Diffblue's first round on record, in Jun 2017, was backed by Goldman Sachs, Goldman Sachs Principal/ Oxford Sciences Innovations and Innovations Fund and 1 others.