Shisan Zukan
The wealth, estimated income and dividends of founders, executives and major shareholders of listed companies.
What you can find
Wealth by person
Calculates the wealth of everyone named as a major shareholder or executive in securities reports: listed shares (shares held × year-end price) plus an estimate of other assets.
Income and dividends
Executive pay (estimated from the role when not disclosed individually), dividends received and total income, with year-by-year trends.
Holding companies included
Shares held through personal asset-management companies are counted toward their owner.
Rankings
Rankings of individuals by wealth, and of corporate shareholders such as holding companies.
Inheritance tax estimates
An estimated inheritance tax for each person, and a ranking. On a person's page you can change the family setup to recalculate.
World ranking
A ranking of the largest shareholders in Japan and the US (from SEC filings).
Who it's for
- Anyone curious about the wealth and pay of a founder or CEO
- Anyone checking who the major shareholders and executives of a listed company are
- Anyone interested in rankings of the largest shareholders or estimated inheritance tax
Data
- Sources
- Securities reports on EDINET: major shareholders, officers, executive pay and key financial indicators
- US: SEC filings (Forms 3, 4 and 5 and others)
- Updates
- Securities reports are imported daily, and wealth, income, dividends and rankings are recalculated every morning.
- Coverage
- 70,742 people4,448 listed companiesAs of October 2026
Wealth and income figures are estimates calculated from published data.
Links with the other Zukan sites
- Companies
- by corporate number, securities code and website domain
- People
- people with the same name, such as shareholders and Diet members
Pages about the same company, person or place link to each other across the sites.