United States · 
Who invested in OSO?
OSO's investors include Sequoia Capital, SV Angel, Felicis, Innovacom and Company Ventures.
2024
$11MSeries A$15MSeries AUnited States · Series A startup
Who invested in OSO
Funding summaryUpdated 26 Oct 2026
$26Mraised across 2 rounds since 2023, from 2 sources
$11MSeries A$15MSeries A
- Latest round
- Series A, $15MJun 2023
- Step-upi
- 1.4×
- Investors
- 5
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 A, $11M Apr 2023
- Biggest round
- $15M Series A · Jun 2023
- Between rounds
- 2 months from the last two
The rounds
- Jun 2023
- Apr 2023
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.
Quick answers about OSO
How much has OSO raised?
OSO has raised $26M across 2 rounds since 2023.
When did OSO last raise?
OSO's most recent round was a Series A of $15M in Jun 2023.
What was OSO's biggest round?
Its most recent round, $15M in Jun 2023, is also its largest on record.
Who backed OSO first?
OSO's first round on record, in Apr 2023, was backed by Innovacom.
What stage is OSO at?
OSO's latest named round is a Series A, in Jun 2023.
Where is OSO based?
OSO is based in the United States.
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