# Soxai funding: rounds and investors

> Soxai has raised $5.5M across 2 rounds since 2024. Investors include Mizuho Capital, NTT DOCOMO Ventures and Miraidoa. Every round with its source.

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

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

# Who invested in *Soxai*

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.

B2C

Funding summary Updated 26 Oct 2026

**$5.5M** raised across 2 rounds since 2024, from 2 sources

- **Latest round:** Venture Sept 2025
- **Biggest round:** $5.5M Series A · Jun 2024
- **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

**$5.5M** Series A

**?** Venture

- **First round:** Series A, $5.5M
- **Biggest round:** $5.5M
- **Between rounds:** 15 months

## The rounds

- **Sept 2025** Venture **Amount undisclosed** *1 new* *2 returning* [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [NTT DOCOMO Ventures](https://millionrounds.com/fund/ntt-docomo-ventures) [Miraidoa](https://millionrounds.com/fund/miraidoa) Source recorded
- **Jun 2024** Series A **$5.5M** *2 new* [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [NTT DOCOMO Ventures](https://millionrounds.com/fund/ntt-docomo-ventures) 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.

**Series A** 2024 **Venture** 2025 [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [NTT DOCOMO Ventures](https://millionrounds.com/fund/ntt-docomo-ventures) [Miraidoa](https://millionrounds.com/fund/miraidoa)

## Everyone who backed them

[Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) VC firm **2** rounds

[NTT DOCOMO Ventures](https://millionrounds.com/fund/ntt-docomo-ventures) Accelerator **2** rounds

[Miraidoa](https://millionrounds.com/fund/miraidoa) Investment firm **1** round

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

## Also claim to have backed them

These 3 firms list Soxai 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.

[Hakuhodo DY Ventures](https://millionrounds.com/fund/hakuhodo-dy-ventures) VC firm Per its own site

[PKSHA Capital](https://millionrounds.com/fund/pksha-algorithm-fund) Corporate VC Per its own site

[Paramount Bed Healthcare Fund](https://millionrounds.com/fund/paramount-bed-healthcare-fund) Corporate VC Per its own site

## Quick answers about Soxai

### Who invested in Soxai?

Soxai's investors include Mizuho Capital, NTT DOCOMO Ventures and Miraidoa.

### How much has Soxai raised?

Soxai has raised $5.5M across 2 rounds since 2024. One round did not disclose an amount, so the total is a floor.

### When did Soxai last raise?

Soxai's most recent round was a Venture in Sept 2025.

### What was Soxai's biggest round?

Soxai's largest round on record is $5.5M (Series A), in Jun 2024.

### Who backed Soxai first?

Soxai's first round on record, in Jun 2024, was backed by Mizuho Capital and NTT DOCOMO Ventures.

### What stage is Soxai at?

Soxai's latest named round is a Venture, in Sept 2025.

### Where is Soxai based?

Soxai is based in Japan.

## Companies like Soxai

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

[**NewMo** $8.4M · Jul 2025](https://millionrounds.com/company/newmo)[**Nirva** $25M · Oct 2026](https://millionrounds.com/company/nirva)[**Onto** $125M · Oct 2026](https://millionrounds.com/company/onto)[**Dan-O's Seasoning** $25M · Oct 2026](https://millionrounds.com/company/dan-o-s-seasoning)[**VIVA Finance** $370M · Oct 2026](https://millionrounds.com/company/viva-finance)[**Town** $241M · Oct 2026](https://millionrounds.com/company/town)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app