# AtoB funding: rounds and investors

> AtoB has raised across 1 round since 2024. Investors include Y Combinator, General Catalyst and Bloomberg Beta. Every round with its source.

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

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

# Who invested in *AtoB*

One round we have observed, with the 5 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

Valuation: $800M, Oct 2024 Y Combinator: S20

Funding summary Updated 26 Oct 2026

**Undisclosed** raised across 1 round since 2024, from 1 source

- **Latest round:** Venture Sept 2024
- **Investors:** 5

See who backed them

[**AtoB** Financial services 1 / 22 Their pitch deck **AtoB's pitch deck, 22 slides** Each slide read for what it argues, against the decks that raised at the same stage.](https://millionrounds.com/decks/atob)

## The rounds

- **Sept 2024** Venture **Amount undisclosed** [Y Combinator](https://millionrounds.com/fund/y-combinator) [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Bloomberg Beta](https://millionrounds.com/fund/bloomberg-beta) [Long Journey Ventures](https://millionrounds.com/fund/long-journey-ventures) [Contrary](https://millionrounds.com/fund/contrary) Source recorded

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **1** round

[Bloomberg Beta](https://millionrounds.com/fund/bloomberg-beta) VC firm **1** round

[Long Journey Ventures](https://millionrounds.com/fund/long-journey-ventures) VC firm **1** round

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

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

## Also claim to have backed them

These 6 firms list AtoB 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.

[Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) VC firm Per its own site

[Max Mullen](https://millionrounds.com/fund/max-mullen) Angel Per its own site

[Leadout Capital](https://millionrounds.com/fund/leadout-capital) VC firm Per its own site

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

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

[On Deck Founders (ODF)](https://millionrounds.com/fund/on-deck-founders-odf) Angel Per its own site

## Quick answers about AtoB

### Who invested in AtoB?

AtoB's investors include Y Combinator, General Catalyst, Bloomberg Beta, Long Journey Ventures and Contrary.

### How much has AtoB raised?

AtoB has raised 1 round since 2024, none with a disclosed amount.

### When did AtoB last raise?

AtoB's most recent round was a Venture in Sept 2024.

### Who backed AtoB first?

AtoB's first round on record, in Sept 2024, was backed by Y Combinator, General Catalyst and Bloomberg Beta and 2 others.

### What stage is AtoB at?

AtoB's latest named round is a Venture, in Sept 2024.

### Where is AtoB based?

AtoB is based in the United States.

## Companies like AtoB

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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