United Kingdom · 
Who invested in Psioxus Therapeutics?
Psioxus Therapeutics's investors include SR One, Imperial Innovations Investment Management, Lundbeckfond Ventures, Mercia Tech and Invesco Perpetual, and 1 more on record.
201320142015
$34MSeries B$39MSeries CUnited Kingdom · Series C startup
Who invested in Psioxus Therapeutics
2 rounds we have observed, with the 6 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.
Funding summaryUpdated 26 Oct 2026
$73Mraised across 2 rounds since 2012, from 2 sources
$34MSeries B$39MSeries C
- Latest round
- Series C, $39MMay 2015
- Investors
- 6
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, $34M Jul 2012
- Biggest round
- $39M Series C · May 2015
- Between rounds
- 2.8 years from the last two
The rounds
- May 2015Series C$39M2 new3 returning
SR One- Imperial Innovations Investment Management
Mercia Tech- Lundbeckfond Ventures
Woodford Investment Management
From a historical funding record
- Jul 2012Series B$34M4 new
From a historical funding record
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
Imperial Innovations Investment ManagementInvestment firm2rounds
Lundbeckfond VenturesVC firm2rounds
Missing a round, or an investor who was in one? Tell us.
Quick answers about Psioxus Therapeutics
How much has Psioxus Therapeutics raised?
Psioxus Therapeutics has raised $73M across 2 rounds since 2012.
When did Psioxus Therapeutics last raise?
Psioxus Therapeutics's most recent round was a Series C of $39M in May 2015.
What was Psioxus Therapeutics's biggest round?
Its most recent round, $39M in May 2015, is also its largest on record.
Who backed Psioxus Therapeutics first?
Psioxus Therapeutics's first round on record, in Jul 2012, was backed by SR One, Imperial Innovations Investment Management and Invesco Perpetual and 1 others.
What stage is Psioxus Therapeutics at?
Psioxus Therapeutics's latest named round is a Series C, in May 2015.
Where is Psioxus Therapeutics based?
Psioxus Therapeutics is based in the United Kingdom.
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