大株主
| （単位：千株） | 2016/03 | 2017/03 | 2018/03 | 2019/03 | 2020/03 | 2021/03 | 2022/03 | 2023/03 | 2024/03 | 2025/03 |
|---|---|---|---|---|---|---|---|---|---|---|
| 日本マスタートラスト信託銀行 | 521 2.42% | 683 3.19% | 806 3.8% | 1,958 9.3% | 1,740 8.3% | 1,727 8.2% | 1,816 8.3% | |||
| 三神興業 | 1,584 7.27% | 1,584 7.27% | 1,584 7.37% | 1,584 7.39% | 1,584 7.4% | 1,590 7.4% | 1,590 7.5% | 1,590 7.5% | 1,590 7.6% | 1,590 7.3% |
| いすゞ自動車 | 1,451 6.66% | 1,451 6.66% | 1,451 6.75% | 1,451 6.76% | 1,451 6.8% | 1,451 6.8% | 1,451 6.9% | 1,451 6.9% | 1,451 6.9% | 1,451 6.7% |
| 佐藤商事取引先持株会 | 510 2.34% | 548 2.51% | 551 2.57% | 548 2.55% | 532 2.5% | 535 2.5% | 581 2.8% | 621 2.8% | ||
| NOK | 619 2.84% | 619 2.84% | 619 2.88% | 619 2.89% | 619 2.9% | 619 2.9% | 619 2.9% | 619 2.9% | 619 2.9% | 619 2.8% |
| 日本シイエムケイ | 512 2.35% | 512 2.35% | 512 2.38% | 512 2.39% | 512 2.4% | 512 2.4% | 512 2.4% | 512 2.4% | 512 2.4% | 612 2.8% |
| りそな銀行 | 554 2.54% | 554 2.54% | 554 2.58% | 554 2.58% | 554 2.6% | 554 2.6% | 554 2.6% | 554 2.6% | 554 2.6% | 554 2.5% |
| 三原不動産 | 530 2.43% | 530 2.43% | 530 2.47% | 530 2.47% | 530 2.5% | 530 2.5% | 530 2.5% | 530 2.5% | 530 2.5% | 530 2.4% |
| マーシャン持株会 | 497 2.4% | 497 2.4% | 516 2.4% | |||||||
| 山陽特殊製鋼 | 499 2.29% | 499 2.29% | 499 2.3% | 499 2.3% | 499 2.4% | 499 2.4% | 499 2.4% | 499 2.2% | ||
| 日本カストディ銀行 | 502 2.3% | 520 2.5% | ||||||||
| 日本マスタ－トラスト信託銀行 | 1,065 5% | |||||||||
| 日野自動車 | 1,270 5.83% | 1,270 5.83% | 1,270 5.91% | 1,270 5.92% | 1,270 5.9% | 862 4% | ||||
| JFEスチール | 500 2.29% | 500 2.29% | 500 2.33% | 500 2.33% | 500 2.3% | |||||
| 計 | 8,031 36.84% | 8,069 37.02% | 8,094 37.66% | 8,253 38.47% | 8,327 38.8% | 8,185 38.1% | 8,766 41.6% | 8,530 40.5% | 8,561 40.7% | 8,810 40.3% |