United States · 
Who invested in Infinimmune?
Infinimmune's investors include Playground Global, Regeneron Ventures and Pear VC. Playground Global led its latest round.
2023202420252026
$12MSeed$75MSeries A
United States · Series A startup
Who invested in Infinimmune
2 rounds we have observed, with the 3 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.
Raised 3 months ago
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Funding summaryUpdated 5 Nov 2026
$87Mraised across 2 rounds since 2022, from 2 sources
$12MSeed$75MSeries A
- Latest round
- Series A, $75MAug 2026
- Led by
- Playground Global and Regeneron Ventures
- Step-upi
- 6.3×
- Investors
- 3 (2 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $12M Dec 2022
- Biggest round
- $75M Series A · Aug 2026
- Between rounds
- 3.7 years from the last two
The rounds
- Aug 2026
- Dec 2022
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
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 2 firms list Infinimmune 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.
Quick answers about Infinimmune
How much has Infinimmune raised?
Infinimmune has raised $87M across 2 rounds since 2022.
When did Infinimmune last raise?
Infinimmune's most recent round was a Series A of $75M in Aug 2026, led by Playground Global.
What was Infinimmune's biggest round?
Its most recent round, $75M in Aug 2026, is also its largest on record.
Who backed Infinimmune first?
Infinimmune's first round on record, in Dec 2022, was backed by Pear VC and Playground Global.
What stage is Infinimmune at?
Infinimmune's latest named round is a Series A, in Aug 2026.
Where is Infinimmune based?
Infinimmune is based in the United States.
Who led Infinimmune's rounds?
Playground Global led the Series A in 2026.
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