United States · 
Who invested in o11?
o11's investors include Y Combinator.
United States · Venture startup
Who invested in o11
Funding summaryUpdated 26 Oct 2026
Undisclosedraised across 1 round since 2026, from 1 source
- Latest round
- VentureApr 2026
- Investors
- 1
The rounds
- Apr 2026
Founders and team
From o11's own website: 2 founders.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists o11 as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about o11
How much has o11 raised?
o11 has raised 1 round since 2026, none with a disclosed amount.
When did o11 last raise?
o11's most recent round was a Venture in Apr 2026.
Who backed o11 first?
o11's first round on record, in Apr 2026, was backed by Y Combinator.
What stage is o11 at?
o11's latest named round is a Venture, in Apr 2026.
Where is o11 based?
o11 is based in the United States.
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In the same sector, and raised in the last eighteen months.
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