# Atum funding: rounds and investors

> Atum has raised $14M across 1 round since 2026. Investors include Abstract Ventures, Variant and Mirana. Every round with its source.

Source: https://millionrounds.com/company/atum (Millionrounds; every figure on the page links to its filing or article)

United States · [Seed startup](https://millionrounds.com/companies)

# Who invested in *Atum*

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.

Fintech

Raised 2 months ago

Funding summary Updated 26 Oct 2026

**$14M** raised across 1 round since 2026, from 1 source

- **Latest round:** Seed, $14M Sept 2026
- **Investors:** 3

See who backed them

## The rounds

- **Sept 2026** Seed **$14M** [Abstract Ventures](https://millionrounds.com/fund/abstract) [Variant](https://millionrounds.com/fund/variant) [Mirana](https://millionrounds.com/fund/mirana) Source recorded

## Everyone who backed them

[Abstract Ventures](https://millionrounds.com/fund/abstract) VC firm **1** round

[Variant](https://millionrounds.com/fund/variant) VC firm **1** round

[Mirana](https://millionrounds.com/fund/mirana) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=atum).

## 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.

[Oceans](https://millionrounds.com/fund/oceans) VC firm Per its own site

[Triatomic Capital](https://millionrounds.com/fund/triatomic-capital) Private equity Per its own site

## Quick answers about Atum

### Who invested in Atum?

Atum's investors include Abstract Ventures, Variant and Mirana.

### 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.

[**Kalshi** $2.7B · Oct 2026](https://millionrounds.com/company/kalshi)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Coast** $77M · Oct 2026](https://millionrounds.com/company/coast)[**Whop** $400M · Oct 2026](https://millionrounds.com/company/whop)[**CapitalOS** $52M · Oct 2026](https://millionrounds.com/company/capitalos)[**Gradient** $24M · Oct 2026](https://millionrounds.com/company/gradient)

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