# Opn funding: rounds and investors

> Opn has raised $120M across 1 round since 2022. Investors include 500 Global, Global Brain Corporation and GSR. Every round with its source.

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

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

# Who invested in *Opn*

One round we have observed, with the 7 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.

Web3 & Crypto

Funding summary Updated 26 Oct 2026

**$120M** raised across 1 round since 2022, from 1 source

- **Latest round:** Series C, $120M May 2022
- **Investors:** 7

See who backed them

## The rounds

- **May 2022** Series C **$120M** [500 Global](https://millionrounds.com/fund/500-startups) [Global Brain Corporation](https://millionrounds.com/fund/global-brain-corporation) [GSR](https://millionrounds.com/fund/gsr) [SMBC Venture Capital](https://millionrounds.com/fund/smbc-venture-capital-2) [SBI Investment](https://millionrounds.com/fund/sbi-investment) [Golden Gate Ventures](https://millionrounds.com/fund/golden-gate-ventures) [JIC Venture Growth Investments](https://millionrounds.com/fund/jic-venture-growth-investments) Source recorded

## Founders and team

From Opn's own website: 1 founder, 4 on the team.

**Jun Hasegawa** Founder & Group CEO

- **Amborish Acharya** Group Chief Technology Officer
- **Kazuhiro Koiso** Group Chief Financial
- **Sutthiporn Mekhaaphirak** APAC Chief Operating Officer
- **Yusuke Tomimoto** Group Chairman

## Everyone who backed them

[500 Global](https://millionrounds.com/fund/500-startups) Angel **1** round

[Global Brain Corporation](https://millionrounds.com/fund/global-brain-corporation) VC firm **1** round

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

[SMBC Venture Capital](https://millionrounds.com/fund/smbc-venture-capital-2) Investment bank **1** round

[SBI Investment](https://millionrounds.com/fund/sbi-investment) VC firm **1** round

[Golden Gate Ventures](https://millionrounds.com/fund/golden-gate-ventures) VC firm **1** round

[JIC Venture Growth Investments](https://millionrounds.com/fund/jic-venture-growth-investments) VC firm **1** round

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

## Quick answers about Opn

### Who invested in Opn?

Opn's investors include 500 Global, Global Brain Corporation, GSR, SMBC Venture Capital and SBI Investment, and 2 more on record.

### How much has Opn raised?

Opn has raised $120M across 1 round since 2022.

### When did Opn last raise?

Opn's most recent round was a Series C of $120M in May 2022.

### What was Opn's biggest round?

Its most recent round, $120M in May 2022, is also its largest on record.

### Who backed Opn first?

Opn's first round on record, in May 2022, was backed by 500 Global, Global Brain Corporation and GSR and 4 others.

### What stage is Opn at?

Opn's latest named round is a Series C, in May 2022.

### Where is Opn based?

Opn is based in Japan.

## Companies like Opn

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

[**Coincheck** May 2026](https://millionrounds.com/company/coincheck)[**Metaplanet** $505M · Mar 2026](https://millionrounds.com/company/metaplanet)[**PG Labs** $1.9M · Dec 2025](https://millionrounds.com/company/pg-labs)[**Kalshi** $2.7B · Oct 2026](https://millionrounds.com/company/kalshi)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**Peso** Oct 2026](https://millionrounds.com/company/peso)

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