United States · 
Who invested in Definium Therapeutics?
Definium Therapeutics's investors include Janus Henderson Investors and CIBC.
United States · Funded startup
Who invested in Definium Therapeutics
Funding summaryUpdated 26 Oct 2026
$805Mraised across 1 round since 2026, from 1 source
- Latest round
- Round, $805MJun 2026
- Investors
- 2
The rounds
- Jun 2026
Founders and team
From Definium Therapeutics's own website: 2 on the team.
- Robert BarrowChief Executive Officer and Board Director
- Matt WileyChief Commercial Officer
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Definium Therapeutics
How much has Definium Therapeutics raised?
Definium Therapeutics has raised $805M across 1 round since 2026.
When did Definium Therapeutics last raise?
Definium Therapeutics's most recent round was an Undisclosed round of $805M in Jun 2026.
What was Definium Therapeutics's biggest round?
Its most recent round, $805M in Jun 2026, is also its largest on record.
Who backed Definium Therapeutics first?
Definium Therapeutics's first round on record, in Jun 2026, was backed by Janus Henderson Investors and CIBC.
What stage is Definium Therapeutics at?
Definium Therapeutics's latest named round is an Undisclosed round, in Jun 2026.
Where is Definium Therapeutics based?
Definium Therapeutics is based in the United States.
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