United States · 
Who invested in Notabene?
Notabene's investors include Y Combinator, Apollo, Ripple and Castle Island Ventures.
United States · Venture startup
Who invested in Notabene
Funding summaryUpdated 26 Oct 2026
$12Mraised across 1 round since 2026, from 1 source
- Latest round
- Venture, $12MJul 2026
- Investors
- 4
The rounds
- Jul 2026
Founders and team
From Notabene's own website: 4 on the team.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 4 firms list Notabene 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 Notabene
How much has Notabene raised?
Notabene has raised $12M across 1 round since 2026.
When did Notabene last raise?
Notabene's most recent round was a Venture of $12M in Jul 2026.
What was Notabene's biggest round?
Its most recent round, $12M in Jul 2026, is also its largest on record.
Who backed Notabene first?
Notabene's first round on record, in Jul 2026, was backed by Y Combinator, Apollo and Ripple and 1 others.
What stage is Notabene at?
Notabene's latest named round is a Venture, in Jul 2026.
Where is Notabene based?
Notabene is based in the United States.
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