Masayuki Ishihara石原 昌幸

Major shareholder of Heiwa Holdings Inc.

Net worth (est.)
¥5.6B
#616 in Japan
Listed shares
Executive pay
—
Not disclosed
Dividends (a year)
¥240M
#358
Total income (est.)
¥240M
#527
Pay + dividends, before tax
Taxes (est.)
¥48.7M
#1119
Income tax ¥36.7M / resident tax ¥12.0M
Other assets (est.)
¥191M
¥5.8B 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) dividends retained by asset-management companies (less about 20% corporate tax), and proceeds from share sales (the drop in shares from the previous year × share price, less 20.315% tax, or about 30% for asset-management companies), for the years we have data. Spending, real estate, donations and savings from earlier years are not reflected.

Holdings

CompanyHeld bySharesStakePriceValueDividends
Heiwa Holdings Inc.
6412 · FY ending Mar 2026
Own name 2,994,000 3.04% ¥1,868 ¥5.6B ¥240M
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