United States · 
Who invested in Tatum?
Tatum's investors include Octopus Ventures, Berkeley SkyDeck and Tensor Ventures.
United States · Series A startup
Who invested in Tatum
One round we have observed, with the 3 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$42Mraised across 1 round since 2022, from 1 source
- Latest round
- Series A, $42MOct 2022
- Investors
- 3
The rounds
- Oct 2022
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 Tatum 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 Tatum
How much has Tatum raised?
Tatum has raised $42M across 1 round since 2022.
When did Tatum last raise?
Tatum's most recent round was a Series A of $42M in Oct 2022.
What was Tatum's biggest round?
Its most recent round, $42M in Oct 2022, is also its largest on record.
Who backed Tatum first?
Tatum's first round on record, in Oct 2022, was backed by Octopus Ventures, Berkeley SkyDeck and Tensor Ventures.
What stage is Tatum at?
Tatum's latest named round is a Series A, in Oct 2022.
Where is Tatum based?
Tatum is based in the United States.
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