As reported in the annual securities report, 2026-03-31.
| Foreign institutions | 1.88% |
|---|---|
| Individuals | 62.79% |
| Top 10 holders | 54.28% |
| Total shareholders | 3,338 |
How to read this: each slice is a group of investors. Foreign and financial institutions are professional money; individuals are retail shareholders; other corporations are usually business partners holding strategic stakes. A large institutional slice generally means heavier analyst coverage and more trading volume.
How to read this: each line shows how one investor group's share has moved over recent years. A rising foreign or institutional line can signal growing professional interest; a falling one the opposite. Japanese companies disclose ownership once a year, so these are annual points — read the direction over several years rather than a single step.
| Investor category | Holding % | Shareholders |
|---|---|---|
| Individuals & others | 62.79% | 3,264 |
| Other corporations | 33.86% | 30 |
| Foreign institutions | 1.88% | 11 |
| Securities firms | 1.05% | 14 |
| Financial institutions | 0.38% | 1 |
| Foreign individuals | 0.03% | 17 |
| Government | 0.00% | 1 |
How to read this: a high foreign or institutional share often means the stock is widely researched and more liquid; a high individual share means retail investors hold most of the company. Percentages are of voting units.
| S.No. | Shareholder | Shares | Stake % |
|---|---|---|---|
| 1 | 株式会社エルガみらい研究所 | 3,028,000 | 19.77% |
| 2 | みよし建設株式会社 | 987,000 | 6.45% |
| 3 | 株式会社ハイタッチ | 917,000 | 5.98% |
| 4 | 有限会社昭和建材 | 753,000 | 4.91% |
| 5 | 小山 嵩夫 | 613,000 | 4.00% |
| 6 | 合同会社ゼンクーサ | 469,000 | 3.06% |
| 7 | 川口 文三郎 | 428,000 | 2.79% |
| 8 | 鈴木 義雄 | 396,000 | 2.58% |
| 9 | 石原 勝 | 393,000 | 2.56% |
| 10 | シニア開発株式会社 | 334,000 | 2.18% |
Trust banks such as Master Trust and Custody Bank appear at the top of most Japanese registers: they hold shares on behalf of many underlying funds rather than owning them outright.