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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 中央精機 | 6,167 38.26% | 6,167 38.46% | 6,167 38.46% | 6,167 38.46% | 6,167 38.46% | 6,167 38.46% | 6,167 38.46% | 6,167 38.46% | 6,167 38.46% | 6,167 38.46% |
| 碧海信用金庫 | 520 3.23% | 520 3.24% | 520 3.24% | 520 3.24% | 520 3.24% | 520 3.24% | 520 3.24% | 520 3.24% | 520 3.24% | 520 3.24% |
| 石原勝成 | 480 2.98% | 480 2.99% | 480 2.99% | 480 2.99% | 480 2.99% | 480 2.99% | 480 2.99% | 480 2.99% | 480 2.99% | 480 2.99% |
| 三菱UFJ銀行 | 355 2.21% | 355 2.21% | 355 2.21% | 355 2.21% | 355 2.21% | 355 2.21% | 323 2.02% | |||
| 三井住友銀行 | 291 1.81% | 291 1.82% | 291 1.82% | 291 1.82% | 291 1.82% | 291 1.82% | 291 1.82% | 291 1.82% | 291 1.82% | 291 1.82% |
| 六和機械股份有限公司 | 256 1.59% | 256 1.6% | 256 1.6% | 256 1.6% | 256 1.6% | 256 1.6% | 256 1.6% | 256 1.6% | 256 1.6% | 256 1.6% |
| 伊澤秀 | 145 0.9% | 145 0.91% | 145 0.91% | 145 0.91% | 145 0.91% | 145 0.91% | 145 0.91% | 145 0.91% | 145 0.91% | 145 0.91% |
| 平倉昭雄 | 197 1.22% | 147 0.92% | 147 0.92% | 147 0.92% | 146 0.91% | 126 0.79% | 126 0.79% | 126 0.79% | 126 0.79% | 126 0.79% |
| 萩原雄二 | 146 0.91% | 113 0.71% | ||||||||
| ホットマン | 100 0.62% | |||||||||
| 加藤博久 | 144 0.89% | 100 0.62% | 100 0.62% | 100 0.62% | 100 0.62% | 100 0.62% | ||||
| 荻原雄二 | 147 0.92% | |||||||||
| JPモルガン証券 | 102 0.64% | |||||||||
| 民享工業股份有限公司 | 100 0.62% | 100 0.62% | 100 0.62% | 100 0.62% | 100 0.62% | |||||
| 三井住友信託銀行 | 120 0.75% | 120 0.75% | 120 0.75% | 120 0.75% | 120 0.75% | |||||
| 三菱東京UFJ銀行 | 355 2.2% | 355 2.21% | 355 2.21% | |||||||
| 民享工業股有限公司 | 123 0.77% | 123 0.77% | ||||||||
| 計 | 8,679 53.85% | 8,605 53.66% | 8,582 53.51% | 8,582 53.51% | 8,681 54.14% | 8,661 54.01% | 8,541 53.26% | 8,591 53.57% | 8,588 53.55% | 8,623 53.77% |