As reported in the annual securities report, 2026-03-31.
| Foreign institutions | 3.43% |
|---|---|
| Individuals | 76.78% |
| Top 10 holders | 35.12% |
| Total shareholders | 3,294 |
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 | 76.78% | 3,187 |
| Other corporations | 15.36% | 61 |
| Financial institutions | 3.66% | 3 |
| Foreign institutions | 3.43% | 22 |
| Securities firms | 0.70% | 13 |
| Foreign individuals | 0.07% | 8 |
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 | 光通信KK投資事業有限責任組合 | 408,000 | 6.46% |
| 2 | UH Partners 2投資事業有限責任組合 | 378,000 | 5.98% |
| 3 | 東京計器株式会社 | 246,000 | 3.90% |
| 4 | 長野計器株式会社 | 206,000 | 3.26% |
| 5 | 阿 部 健 治 | 181,000 | 2.87% |
| 6 | エスアイエル投資事業有限責任組合 | 171,000 | 2.71% |
| 7 | 株式会社百十四銀行 | 165,000 | 2.61% |
| 8 | 英和社員持株会 | 156,000 | 2.48% |
| 9 | 阿 部 吉 典 | 154,000 | 2.44% |
| 10 | 阿 部 和 男 | 152,000 | 2.41% |
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.