Yamauchi-No.10 Family Office
The Yamauchi-No.10 Family Office manages capital for the Yamauchi family behind Nintendo and invests in startups. It joined the $300M Series B of Decart, the real-time AI world model company, led by Radical Ventures in May 2026.
Investing activity
Yamauchi-No.10 Family Office appears in 1 AI deal tracked by the AI Lounge deals desk, rounds totalling $300M. The rounds are mostly Growth, with a median round size of $300M. The most recent is Decart (Venture round, $300M, May 2026).
Deals
Frequently asked questions about Yamauchi-No.10 Family Office
What AI companies has Yamauchi-No.10 Family Office invested in?
Yamauchi-No.10 Family Office's AI investments include Decart. The 1 round on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is Yamauchi-No.10 Family Office based?
Yamauchi-No.10 Family Office is based in Kyoto, Japan.
What stage does Yamauchi-No.10 Family Office invest at?
In the rounds tracked on AI Lounge, Yamauchi-No.10 Family Office has invested at Growth, with a median round of $300M.
How can founders reach Yamauchi-No.10 Family Office?
Founders on AI Lounge can see Yamauchi-No.10 Family Office'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 Yamauchi-No.10 Family Office to their Investor Pipeline to track the conversation.