Japan · 
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.
Japan · Series C startup
Who invested in Opn
Funding summaryUpdated 26 Oct 2026
$120Mraised across 1 round since 2022, from 1 source
- Latest round
- Series C, $120MMay 2022
- Investors
- 7
The rounds
- May 2022
Founders and team
From Opn's own website: 1 founder, 4 on the team.
Jun HasegawaFounder & Group CEO
- Amborish AcharyaGroup Chief Technology Officer
- Kazuhiro KoisoGroup Chief Financial
- Sutthiporn MekhaaphirakAPAC Chief Operating Officer
- Yusuke TomimotoGroup Chairman
Everyone who backed them
JIC Venture Growth InvestmentsVC firm1round
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Quick answers about Opn
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.
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