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 |
|---|---|---|---|---|---|---|---|---|---|---|
| ニッセンリベット | 501 5.01% | 550 5.5% | 60 6.47% | 65 6.96% | 70 7.5% | 75 8.03% | 96 10.28% | 188.4 10.09% | 192.7 10.32% | 200 10.71% |
| 日栄会 | 183.6 9.83% | 168.6 9.03% | 174.6 9.35% | |||||||
| ヤマチ | 106 5.68% | 106 5.68% | 106 5.68% | |||||||
| 日理会 | 95.4 5.11% | 98.9 5.3% | 97.7 5.23% | |||||||
| ロブテックス従業員持株会 | 461 4.62% | 475 4.76% | 47 5.07% | 52 5.58% | 53 5.76% | 59 6.37% | 48.2 5.17% | 93 4.98% | 97.6 5.23% | 97.4 5.22% |
| 三井住友銀行 | 462 4.62% | 462 4.62% | 46 4.95% | 46 4.95% | 46 4.95% | 46 4.95% | 46.2 4.95% | 92.4 4.95% | 92.4 4.95% | 92.4 4.95% |
| 地引 俊爲 | 63.7 3.41% | 65 3.48% | 66.4 3.56% | |||||||
| 南都銀行 | 40 2.14% | 40 2.14% | 40 2.14% | |||||||
| 山善 | 33.5 1.8% | 33.5 1.8% | ||||||||
| 稲垣 貞男 | 32 1.72% | 32 1.72% | 32 1.72% | |||||||
| 平田 正紘 | 27.8 1.49% | |||||||||
| 日 栄 会 | 777 7.78% | 817 8.18% | 82 8.79% | 86 9.22% | 88 9.44% | 91 9.75% | 93.8 10.05% | |||
| ヤ マ チ | 530 5.3% | 530 5.3% | 53 5.67% | 53 5.68% | 53 5.68% | 53 5.68% | 53 5.68% | |||
| 日 理 会 | 385 3.85% | 397 3.97% | 37 4.01% | 39 4.23% | 42 4.57% | 44 4.76% | 44.8 4.8% | |||
| 地 引 俊 爲 | 267 2.68% | 274 2.74% | 28 3.01% | 28 3.08% | 29 3.16% | 30 3.24% | 31.1 3.33% | |||
| 南 都 銀 行 | 200 2% | 200 2% | 20 2.14% | 20 2.14% | 20 2.14% | 20 2.14% | 20 2.14% | |||
| 稲 垣 貞 男 | 153 1.53% | 159 1.59% | 16 1.71% | 16 1.71% | 16 1.71% | 16 1.71% | 16 1.71% | |||
| 平 田 正 紘 | 13.9 1.49% | |||||||||
| 地 引 啓 | 205 2.06% | 205 2.06% | 20 2.2% | 18 1.99% | 16 1.78% | 14 1.51% | ||||
| 計 | 3,944 39.45% | 4,072 40.73% | 411 44.03% | 425 45.53% | 435 46.68% | 449 48.15% | 463.2 49.61% | 922.5 49.4% | 927 49.64% | 940.3 50.36% |