United States · 
Who invested in Atmo?
Atmo's investors include Y Combinator.
United States · Venture startup
Who invested in Atmo
Funding summaryUpdated 26 Oct 2026
$18Mraised across 1 round since 2024, from 1 source
- Latest round
- Venture, $18MDec 2024
- Investors
- 1
The rounds
- Dec 2024
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 3 firms list Atmo 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 Atmo
How much has Atmo raised?
Atmo has raised $18M across 1 round since 2024.
When did Atmo last raise?
Atmo's most recent round was a Venture of $18M in Dec 2024.
What was Atmo's biggest round?
Its most recent round, $18M in Dec 2024, is also its largest on record.
Who backed Atmo first?
Atmo's first round on record, in Dec 2024, was backed by Y Combinator.
What stage is Atmo at?
Atmo's latest named round is a Venture, in Dec 2024.
Where is Atmo based?
Atmo 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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