As reported in the annual securities report, 2025-06-30.
| Foreign institutions | 14.35% |
|---|---|
| Individuals | 43.69% |
| Top 10 holders | 61.60% |
| Total shareholders | 2,428 |
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 | 43.69% | 2,282 |
| Other corporations | 18.82% | 39 |
| Financial institutions | 18.10% | 9 |
| Foreign institutions | 14.35% | 78 |
| Securities firms | 5.03% | 16 |
| Foreign individuals | 0.00% | 4 |
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 | 渡 邉 隆 | 1,640,000 | 14.27% |
| 2 | ダイヤモンド機工株式会社 | 1,215,200 | 10.58% |
| 3 | 日本マスタートラスト信託銀行株式会社(信託口) | 927,300 | 8.07% |
| 4 | 株式会社日本カストディ銀行(信託口) | 788,700 | 6.86% |
| 5 | 旭ダイヤモンド工業株式会社 | 600,000 | 5.22% |
| 6 | 立花証券株式会社 | 520,000 | 4.52% |
| 7 | 富国生命保険相互会社(常任代理人 株式会社日本カストディ銀行) | 400,000 | 3.48% |
| 8 | 第一カッター興業従業員持株会 | 384,900 | 3.35% |
| 9 | MSIP CLIENT SECURITIES(常任代理人 モルガン・スタンレーMUFG証券株式会社) | 374,502 | 3.26% |
| 10 | KIA FUND 497 KIA TRANSITION ASIA IAD NO.1 (常任代理人 シティバンク、エヌ・エイ東京支店) | 228,600 | 1.99% |
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.