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Hisako Yamamoto is a Japanese businesswoman, ranked #2477 in the world with a net worth of $1.54 billion as of February 2026. Her primary source of wealth stems from her stake in the retail industry through Seven & i Holdings, a global retailing giant. Based in Tokyo, Japan, Yamamoto is the daughter of Masatoshi Ito, the late honorary chairman of Seven & i Holdings.
Hisako Yamamoto is the daughter of Masatoshi Ito, who helped build 7-Eleven into a global giant. Her father passed away in March 2023 at age 98.
Hisako Yamamoto's wealth comes from her stake in Seven & i Holdings, a global retail giant with approximately 87,000 stores across 19 countries and nearly $80 billion in annual revenue.
Hisako's business success is tied to Seven & i Holdings, which also runs Denny's restaurants in Japan and owns department stores, supermarkets, and financial services firms. In 2024, Alimentation Couche-Tard made a $47 billion takeover bid for the company but withdrew in July 2025. The Ito family collectively owns over 10% of the company.
Details of Hisako Yamamoto's direct philanthropic initiatives were not found in the search results.
Inherited wealth due to the passing of her father, Masatoshi Ito, the late honorary chairman of Seven & I Holdings.
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