United States · 
Who invested in Peer AI?
Peer AI's investors include Y Combinator, Alumni Ventures, Gaingels, Greycroft and SignalFire, and 2 more on record.
United States · Venture startup
Who invested in Peer AI
Funding summaryUpdated 26 Oct 2026
$12Mraised across 1 round since 2025, from 1 source
- Latest round
- Venture, $12MOct 2025
- Investors
- 7
The rounds
- Oct 2025Venture$12M
Source recorded
Founders and team
From Peer AI's own website: 2 on the team.
- Mid-Sized BiotechHead of Medical Writing
- Public BiopharmaHead of Medical Writing
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Peer AI
How much has Peer AI raised?
Peer AI has raised $12M across 1 round since 2025.
When did Peer AI last raise?
Peer AI's most recent round was a Venture of $12M in Oct 2025.
What was Peer AI's biggest round?
Its most recent round, $12M in Oct 2025, is also its largest on record.
Who backed Peer AI first?
Peer AI's first round on record, in Oct 2025, was backed by Y Combinator, Alumni Ventures and Gaingels and 4 others.
What stage is Peer AI at?
Peer AI's latest named round is a Venture, in Oct 2025.
Where is Peer AI based?
Peer AI is based in the United States.
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