United States · 
Who invested in Atomarine?
Atomarine's investors include Y Combinator.
United States · Pre-seed startup
Who invested in Atomarine
Funding summaryUpdated 26 Oct 2026
$500Kraised across 1 round since 2026, from 1 source
- Latest round
- Pre-seed, $500KSept 2026
- Investors
- 1
The rounds
- Sept 2026
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 5 firms list Atomarine 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 Atomarine
How much has Atomarine raised?
Atomarine has raised $500K across 1 round since 2026.
When did Atomarine last raise?
Atomarine's most recent round was a Pre-seed of $500K in Sept 2026.
What was Atomarine's biggest round?
Its most recent round, $500K in Sept 2026, is also its largest on record.
Who backed Atomarine first?
Atomarine's first round on record, in Sept 2026, was backed by Y Combinator.
What stage is Atomarine at?
Atomarine's latest named round is a Pre-seed, in Sept 2026.
Where is Atomarine based?
Atomarine is based in the United States.
Companies like Atomarine
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.