Mizuho Bank, Ltd. is the integrated retail and corporate banking unit of Mizuho Financial Group, one of Japan's largest financial institutions. Beyond traditional banking services, it actively invests in startups and growth-stage companies, acts as a limited partner in venture capital funds, and partners with accelerators such as Plug and Play to support innovation in enterprise software, AI, and fintech.
Deal activity increased 38% year-over-year (11 deals in the last 12 months). Average disclosed round size is $161.8M (across 29 rounds with reported amounts).
Portfolio
53
Fund Size
—
Top Stage
Unknown
Last 12 Mo
11
Team
PB
Peter Bickford
Managing Director
NS
Nikita Shah
Senior Director
AW
Amy Walter
Deputy General Manager
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
68 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Shippio | Series C | — | Sep 2026 |
 CHITOSE BIO EVOLUTION PTE. LTD. | Unknown | — | Sep 2026 |
 Kyoto Fusioneering ltd. | Series D | — | Aug 2026 |
 Starlight Engine | Unknown | — | Jul 2026 |
 Trifa | Series C | — | Jun 2026 |
 TriOrb | Series B | — | Jun 2026 |
| OOishii Farm | Series C | $150M | May 2026 |
 Rapidus | Unknown | — | Feb 2026 |
 Sharing Energy | Series C | — | Jan 2026 |
| VVena Energy | Unknown | — | Jan 2026 |
 Brave group | Series E | $10M | Jan 2026 |
 Africa Finance Corporation | Growth | $2B | Jan 2026 |
| WWineBank | Series A | — | Jan 2026 |
| OOishii Farm | Unknown | — | Jan 2026 |
| KKredivo Group | Unknown | $177M | Jan 2026 |
 Tonik | Series B | $12M | Dec 2025 |
 digdig | Series A | — | Oct 2025 |
 XPERISUS | Series A | — | Oct 2025 |
 LegalOn Technologies | Series E | $50M | Jul 2025 |
| LLegalOn Technologies, Inc. | Series E | $50M | Jul 2025 |
| LegalOn Technologies | Series C | $50M | Jul 2025 |
| MManpuku HD | Unknown | — | Jun 2025 |
 Preferred Networks, Inc. | Unknown | — | Apr 2025 |
| TriOrb | Unknown | — | Apr 2025 |
 CLAS | Unknown | — | Mar 2025 |
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Top Co-Investors
Mitsubishi UFJ Financial Group, Inc.12 shared
Global Brain Corporation11 shared
JAFCO Group Co., Ltd.10 shared
Sumitomo Mitsui Banking Corporation10 shared
World Innovation Lab7 shared
JIC Venture Growth Investments5 shared
Mizuho Capital5 shared
SMBC Venture Capital5 shared
Jungle Ventures5 shared
Square Peg Capital5 shared
The Goldman Sachs Group, Inc.5 shared
SBI Investment4 shared
Globis Capital Partners4 shared
ITOCHU Technology Ventures, Inc.4 shared
Development Bank of Japan Inc.4 shared
SPARX Group Co., Ltd.4 shared
Furukawa Electric Company4 shared
ITOCHU Corporation3 shared
500 Global3 shared
GMO VenturePartners3 shared
Last updated: 20 October 2026