As reported in the annual securities report, 2026-03-31.
| Foreign institutions | 10.25% |
|---|---|
| Individuals | 33.03% |
| Top 10 holders | 62.10% |
| Total shareholders | 2,933 |
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 |
|---|---|---|
| Other corporations | 48.65% | 270 |
| Individuals & others | 33.03% | 2,503 |
| Foreign institutions | 10.25% | 120 |
| Financial institutions | 7.48% | 15 |
| Securities firms | 0.60% | 18 |
| Foreign individuals | 0.00% | 7 |
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 | 一般財団法人三谷市民文化振興財団 | 2,189,000 | 12.46% |
| 2 | 三谷商事株式会社 | 1,826,000 | 10.40% |
| 3 | 一般財団法人三谷進一育英会 | 1,425,000 | 8.11% |
| 4 | UBE三菱セメント株式会社 | 1,004,000 | 5.72% |
| 5 | 住友大阪セメント株式会社 | 999,000 | 5.69% |
| 6 | BBH FOR FIDELITY LOW-PRICED STOCK FUND (PRINCIPAL ALL SECTOR SUBPORTFOLIO) (常任代理人 株式会社三菱UFJ銀行) | 883,000 | 5.03% |
| 7 | 三谷滋子 | 866,000 | 4.93% |
| 8 | 日本マスタートラスト信託銀行株式会社(信託口) | 846,000 | 4.82% |
| 9 | 三谷進治 | 482,000 | 2.75% |
| 10 | 敦賀セメント株式会社 | 384,000 | 2.19% |
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.