# AIONA funding: rounds and investors

> AIONA has raised $1.2M across 2 rounds since 2025. Investors include Japan Finance Corporation, Mizuho Capital and Mizuho Corporate Bank.

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

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

# Who invested in *AIONA*

2 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AI

Raised 2 months ago

Funding summary Updated 26 Oct 2026

**$1.2M** raised across 2 rounds since 2025, from 2 sources

**$270K** Pre-seed **$881K** Seed

- **Latest round:** Seed, $881K Sept 2026
- **Step-up i:** 3.3×
- **Investors:** 3

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2025 2026

**$270K** Pre-seed

**$881K** Seed

- **First round:** Pre-seed, $270K
- **Biggest round:** $881K
- **Between rounds:** 20 months

## The rounds

- **Sept 2026** Seed **$881K** *2 new* *1 returning* [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [Japan Finance Corporation](https://millionrounds.com/fund/japan-finance-corporation) [Mizuho Corporate Bank](https://millionrounds.com/fund/mizuho-corporate-bank) Source recorded
- **Jan 2025** Pre-seed **$270K** *1 new* [Japan Finance Corporation](https://millionrounds.com/fund/japan-finance-corporation) Source recorded

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Pre-seed** 2025 **Seed** 2026 [Japan Finance Corporation](https://millionrounds.com/fund/japan-finance-corporation) [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [Mizuho Corporate Bank](https://millionrounds.com/fund/mizuho-corporate-bank)

## Everyone who backed them

[Japan Finance Corporation](https://millionrounds.com/fund/japan-finance-corporation) Investment firm **2** rounds

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

[Mizuho Corporate Bank](https://millionrounds.com/fund/mizuho-corporate-bank) VC firm **1** round

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

## Also claim to have backed them

This firm lists AIONA as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[GxPartners](https://millionrounds.com/fund/gxpartners) Investor Per its own site

## Quick answers about AIONA

### Who invested in AIONA?

AIONA's investors include Japan Finance Corporation, Mizuho Capital and Mizuho Corporate Bank.

### How much has AIONA raised?

AIONA has raised $1.2M across 2 rounds since 2025.

### When did AIONA last raise?

AIONA's most recent round was a Seed of $881K in Sept 2026.

### What was AIONA's biggest round?

Its most recent round, $881K in Sept 2026, is also its largest on record.

### Who backed AIONA first?

AIONA's first round on record, in Jan 2025, was backed by Japan Finance Corporation.

### What stage is AIONA at?

AIONA's latest named round is a Seed, in Sept 2026.

### Where is AIONA based?

AIONA is based in Japan.

## Companies like AIONA

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

[**Kaminashi** $14M · Oct 2026](https://millionrounds.com/company/kaminashi)[**Mujin, Inc.** $224M · Oct 2026](https://millionrounds.com/company/mujin-inc)[**Flyle** $13M · Oct 2026](https://millionrounds.com/company/flyle)[**Farmnote** $12M · Oct 2026](https://millionrounds.com/company/farmnote)[**PeopleX** $39M · Sept 2026](https://millionrounds.com/company/peoplex)[**AUDER** $2.9M · Sept 2026](https://millionrounds.com/company/auder)

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