Major shareholder of Mitsui Matsushima Holdings Co.,Ltd.
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.
| Company | Held by | Shares | Stake | Price | Value | Dividends |
|---|---|---|---|---|---|---|
| Mitsui Matsushima Holdings Co.,Ltd. 1518 · FY ending Mar 2026 |
Own name | 1,522,800 | 3.97% | ¥1,315 | ¥2.0B | ¥97.5M |
| LA Holdings Co., Ltd. 2986 · FY ending Dec 2025 |
Own name | 225,600 | 2.96% | ¥8,399 | ¥1.9B | ¥76.3M |
| F&M Co.,Ltd. 4771 · FY ending Mar 2026 |
Own name | 351,300 | 2.37% | ¥2,153 | ¥756M | ¥17.9M |
| Ichiyoshi Securities Co.,Ltd. 8624 · FY ending Mar 2026 |
Own name | 494,000 | 1.53% | ¥1,442 | ¥712M | ¥44.0M |
| 株式会社アカツキ 3932 · FY ending Mar 2026 |
Own name | 240,100 | 1.66% | ¥2,712 | ¥651M | ¥27.6M |
| アセンテック株式会社 3565 · FY ending Jan 2026 |
Own name | 437,200 | 3.05% | ¥1,468 | ¥642M | ¥13.1M |
| Isb Corporation 9702 · FY ending Dec 2025 |
Own name | 343,000 | 2.99% | ¥1,729 | ¥593M | ¥18.9M |
| Startia Holdings,Inc. 3393 · FY ending Mar 2026 |
Own name | 190,600 | 1.95% | ¥2,674 | ¥510M | ¥27.6M |
| Primo Global Holdings Co., Ltd. 367A · FY ending Aug 2025 |
Own name | 226,700 | 2.59% | ¥1,994 | ¥452M | ¥23.8M |
| AMBITION DX HOLDINGS Co., Ltd. 3300 · FY ending Jun 2026 |
Own name | 209,400 | 2.82% | ¥2,035 | ¥426M | ¥23.0M |
| IX Knowledge Incorporated 9753 · FY ending Mar 2026 |
Own name | 323,000 | 3.38% | ¥1,290 | ¥417M | ¥16.1M |
| 株式会社Eストアー 4304 · FY ending Mar 2025 |
Own name | 298,000 | 5.65% | ¥1,374 | ¥409M | — |
| Gakkyusha Co.,Ltd. 9769 · FY ending Mar 2026 |
Own name | 164,000 | 1.52% | ¥2,346 | ¥385M | ¥16.9M |
| Ryomo Systems Co.,Ltd. 9691 · FY ending Mar 2026 |
Own name | 101,000 | 2.90% | ¥3,531 | ¥357M | ¥4.4M |
| Amaze Co.,Ltd. 6076 · FY ending Nov 2025 |
Own name | 241,000 | 1.79% | ¥1,304 | ¥314M | ¥8.4M |
| Dynic Corporation 3551 · FY ending Mar 2026 |
Own name | 254,000 | 3.10% | ¥1,059 | ¥269M | ¥11.7M |
| Solekia Limited 9867 · FY ending Mar 2026 |
Own name | 24,000 | 2.85% | ¥9,840 | ¥236M | ¥1.7M |
| TSUKADA GLOBAL HOLDINGS Inc. 2418 · FY ending Dec 2025 |
Own name | 417,300 | 0.88% | ¥564 | ¥235M | ¥5.0M |
| Seiwa Electric Mfg. Co., Ltd. 6748 · FY ending Dec 2025 |
Own name | 261,000 | 2.02% | ¥818 | ¥213M | ¥5.2M |
| Kyowa Corporation 6570 · FY ending Mar 2026 |
Own name | 182,000 | 3.05% | ¥1,166 | ¥212M | ¥4.5M |
| Shimadaya Corporation 250A · FY ending Mar 2026 |
Own name | 113,000 | 0.79% | ¥1,797 | ¥203M | ¥5.9M |
| Daiwa Cycle Co.,Ltd. 5888 · FY ending Jan 2026 |
Own name | 50,200 | 1.82% | ¥3,661 | ¥184M | ¥3.5M |
| Colan Totte.Co.,Ltd. 7792 · FY ending Sep 2025 |
Own name | 104,800 | 1.15% | ¥1,450 | ¥152M | ¥4.4M |
| Kowa Co.,Ltd. 7807 · FY ending Feb 2026 |
Own name | 150,000 | 3.63% | ¥855 | ¥128M | ¥1.9M |
| Global-Dining,Inc. 7625 · FY ending Dec 2025 |
Own name | 312,000 | 3.00% | ¥405 | ¥126M | ¥1.6M |
| UP GARAGE GROUP Co., Ltd. 7134 · FY ending Mar 2026 |
Own name | 114,000 | 1.44% | ¥976 | ¥111M | ¥4.2M |
| Starts Publishing Corporation 7849 · FY ending Dec 2025 |
Own name | 29,200 | 0.76% | ¥3,802 | ¥111M | ¥3.5M |
| Nippon Shindo Co.,Ltd. 5753 · FY ending Mar 2026 |
Own name | 41,000 | 2.00% | ¥2,500 | ¥103M | ¥615,000 |
| Mobile Factory, Inc. 3912 · FY ending Dec 2025 |
Own name | 90,900 | 1.27% | ¥1,103 | ¥100M | ¥4.0M |
| KAITORIOKOKU Co.,Ltd 3181 · FY ending Feb 2026 |
Own name | 107,800 | 2.94% | ¥871 | ¥93.9M | ¥1.1M |
| Toyo Shutter Co.,Ltd. 5936 · FY ending Mar 2026 |
Own name | 100,000 | 1.59% | ¥921 | ¥92.1M | ¥4.2M |
| Superbag Company,Limited 3945 · FY ending Mar 2026 |
Own name | 39,000 | 2.68% | ¥2,238 | ¥87.3M | ¥4.3M |
| Tokyo Cosmoc Electric Co., Ltd. 6772 · FY ending Mar 2026 |
Own name | 65,000 | 0.96% | ¥1,211 | ¥78.7M | ¥2.6M |
| Totenko Co., Ltd. 8181 · FY ending Feb 2026 |
Own name | 58,000 | 2.28% | ¥1,084 | ¥62.8M | ¥870,000 |
| Abhotel Co., Ltd. 6565 · FY ending Mar 2026 |
Own name | 38,000 | 0.27% | ¥1,390 | ¥52.8M | ¥1.3M |
| 株式会社ヒューマンクリエイションホールディングス 7361 · FY ending Sep 2025 |
Own name | 42,000 | 1.38% | ¥1,200 | ¥50.4M | ¥1.1M |
| ピクスタ株式会社 3416 · FY ending Dec 2025 |
Own name | 46,500 | 2.68% | ¥960 | ¥44.6M | ¥2.1M |
| Year | Net worth | Pay | Dividends | Total income | Taxes (est.) | After tax (est.) | Share sales (after tax) |
|---|---|---|---|---|---|---|---|
| 2026 | ¥8.8B | — | ¥337M | ¥337M | ¥68.4M | ¥268M | ¥88.0M |
| 2025 | ¥13.5B | — | ¥601M | ¥601M | ¥122M | ¥479M | ¥224M |
| 2024 | ¥1.7B | — | ¥55.0M | ¥55.0M | ¥11.2M | ¥43.8M | — |
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.
Estate ¥14.6B = listed shares in own name ¥13.5B + other assets (est.) ¥1.1B
Total inheritance tax paid: ¥3.9B (26.7% of the estate).
| Heir | Inherits | Tax | After tax |
|---|---|---|---|
| Spouse | ¥7.3B | ¥0 | ¥7.3B |
| Each child | ¥3.6B | ¥1.9B | ¥1.7B |
Japanese inheritance tax, assuming the estate is split in statutory shares. A spouse pays no tax up to ¥160M or the statutory share, whichever is larger. Family size is not in the securities reports, so you can choose it (with no children, parents or siblings also become heirs, so the real figure differs). Business-succession deferrals, lifetime gifts, donations to foundations, debts and other reliefs are not reflected.