Mizuho Capital
Mizuho Capital Co., Ltd. is a Tokyo-based venture capital firm that operates within the Mizuho group. Founded on July 27, 1983, the company focuses on providing equity-based risk capital and supporting business growth, particularly for companies aiming for initial public offerings (IPOs). It also has a branch in Osaka. The firm specializes in venture capital investment and offers business growth support, emphasizing assistance for innovation-driven companies within the Mizuho ecosystem. Mizuho Capital has a strong track record, having supported nearly 1,000 portfolio companies in reaching IPO
Investing activity
Mizuho Capital appears in 2 AI deals tracked by the AI Lounge deals desk. The rounds are mostly Seed, with a median round size of $5M. The most recent are Yoom (Seed, $4.5M (JPY 700.0M), Sep 2026) and Intersect (Seed, $3M, Jan 2026).
Mizuho Capital most often invests alongside Global Brain Corporation, Shizuoka Capital, Dual Bridge Capital and Canon Marketing Japan MIRAI Fund, and the companies it backs on AI Lounge are mostly in AI.
Deals
Frequently asked questions about Mizuho Capital
What AI companies has Mizuho Capital invested in?
Mizuho Capital's AI investments include Yoom and Intersect. The 2 rounds on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is Mizuho Capital based?
Mizuho Capital is based in Chiyoda City, Tokyo, Japan.
What stage does Mizuho Capital invest at?
In the rounds tracked on AI Lounge, Mizuho Capital has invested at Seed, with a median round of $5M.
Who does Mizuho Capital co-invest with?
Mizuho Capital's most frequent co-investors on AI Lounge are Global Brain Corporation (1 deal), Shizuoka Capital (1 deal), Dual Bridge Capital (1 deal), Canon Marketing Japan MIRAI Fund (1 deal) and SBI Investment (1 deal).
How can founders reach Mizuho Capital?
Founders on AI Lounge can see Mizuho Capital's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add Mizuho Capital to their Investor Pipeline to track the conversation.