# ExtraBold funding: rounds and investors

> ExtraBold has raised $3.3M across 1 round since 2021. Investors include Mizuho Capital and UntroD Capital. Every round with its source.

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

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

# Who invested in *ExtraBold*

One round we have observed, with the 2 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.

Advanced Manufacturing

Funding summary Updated 26 Oct 2026

**$3.3M** raised across 1 round since 2021, from 1 source

- **Latest round:** Seed, $3.3M Apr 2021
- **Investors:** 2

See who backed them

## The rounds

- **Apr 2021** Seed **$3.3M** [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [UntroD Capital](https://millionrounds.com/fund/untrod-capital) Source recorded

## Everyone who backed them

[Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) VC firm **1** round

[UntroD Capital](https://millionrounds.com/fund/untrod-capital) VC firm **1** round

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

## Quick answers about ExtraBold

### Who invested in ExtraBold?

ExtraBold's investors include Mizuho Capital and UntroD Capital.

### How much has ExtraBold raised?

ExtraBold has raised $3.3M across 1 round since 2021.

### When did ExtraBold last raise?

ExtraBold's most recent round was a Seed of $3.3M in Apr 2021.

### What was ExtraBold's biggest round?

Its most recent round, $3.3M in Apr 2021, is also its largest on record.

### Who backed ExtraBold first?

ExtraBold's first round on record, in Apr 2021, was backed by Mizuho Capital and UntroD Capital.

### What stage is ExtraBold at?

ExtraBold's latest named round is a Seed, in Apr 2021.

## Companies like ExtraBold

In the same sector, and raised in the last eighteen months.

[**C-Infinity** $16M · Apr 2026](https://millionrounds.com/company/c-infinity)[**Immensa** Mar 2026](https://millionrounds.com/company/immensa)[**Rootrix** $3.1M · Feb 2026](https://millionrounds.com/company/rootrix)[**Inspire-Robots** Feb 2026](https://millionrounds.com/company/inspire-robots)[**Heliware** $497K · Feb 2026](https://millionrounds.com/company/heliware)[**TuringQ** Jan 2026](https://millionrounds.com/company/turingq)

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