Representative Director, SEMITEC Corporation
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.
Asset-management companies: 石塚みどりest., Jiro Ishizukaest., Ishizuka Kosan Co., Ltd.est. (their holdings are included in net worth)
| Company | Held by | Shares | Stake | Price | Value | Dividends |
|---|---|---|---|---|---|---|
| SEMITEC Corporation 6626 · FY ending Mar 2026 |
Ishizuka Kosan Co., Ltd. | 2,827,200 | 29.46% | ¥2,243 | ¥6.3B | ¥133M |
| SEMITEC Corporation 6626 · FY ending Mar 2026 · Representative Director |
Own name | 651,176 | 6.68% | ¥2,243 | ¥1.5B | ¥30.6M |
| SEMITEC Corporation 6626 · FY ending Mar 2026 |
Jiro Ishizuka | 612,200 | 6.38% | ¥2,243 | ¥1.4B | ¥28.8M |
| SEMITEC Corporation 6626 · FY ending Mar 2026 |
石塚みどり | 339,000 | 3.53% | ¥2,243 | ¥760M | ¥15.9M |
| Year | Net worth | Pay | Dividends | Total income | Taxes (est.) | After tax (est.) | Share sales (after tax) |
|---|---|---|---|---|---|---|---|
| 2026 | ¥9.9B | ¥29.8M | ¥208M | ¥238M | ¥24.7M | ¥33.7M | — |
| 2025 | ¥7.6B | ¥32.9M | ¥177M | ¥210M | ¥24.2M | ¥32.8M | — |
| 2024 | ¥8.0B | ¥88.0M | ¥115M | ¥203M | ¥50.5M | ¥52.4M | — |
Grouped by the calendar year of each company's fiscal year-end. Years in which the person was not among the top 10 shareholders of a company exclude that company.