Masako Komori小森 雅子

Major shareholder of Sankyo Co.,Ltd.

Net worth (est.)
¥5.9B
#574 in Japan
Listed shares
Executive pay
—
Not disclosed
Dividends (a year)
¥276M
#304
Total income (est.)
¥276M
#437
Pay + dividends, before tax
Taxes (est.)
¥56.2M
#939
Income tax ¥42.3M / resident tax ¥13.8M
Other assets (est.)
¥220M
¥6.2B with shares
After-tax income 2026, before spending

Other assets (est.): the sum of each year's after-tax income (pay + dividends in own name − estimated taxes and social insurance) and dividends retained by asset-management companies (less about 20% corporate tax), for the years we have data. Spending, real estate, donations and savings from earlier years are not reflected.

Holdings

CompanyHeld bySharesStakePriceValueDividends
Sankyo Co.,Ltd.
6417 · FY ending Mar 2026
Own name 3,072,000 1.54% ¥1,935 ¥5.9B ¥276M
Estimates from annual securities reports (EDINET). The English name is romanized automatically and may differ from the spelling the person uses. Methodology · Corrections and removal requests: contact