United States · 
Who invested in Atum?
Atum's investors include Abstract Ventures, Variant and Mirana.
United States · Seed startup
Who invested in Atum
Funding summaryUpdated 26 Oct 2026
$14Mraised across 1 round since 2026, from 1 source
- Latest round
- Seed, $14MSept 2026
- Investors
- 3
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 2 firms list Atum 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 Atum
How much has Atum raised?
Atum has raised $14M across 1 round since 2026.
When did Atum last raise?
Atum's most recent round was a Seed of $14M in Sept 2026.
What was Atum's biggest round?
Its most recent round, $14M in Sept 2026, is also its largest on record.
Who backed Atum first?
Atum's first round on record, in Sept 2026, was backed by Abstract Ventures, Variant and Mirana.
What stage is Atum at?
Atum's latest named round is a Seed, in Sept 2026.
Where is Atum based?
Atum is based in the United States.
Companies like Atum
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.