大株主
| （単位：千株） | 2015/12 | 2016/12 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|
| 日本マスタートラスト信託銀行 | 1,185 2.96% | 1,312 3.28% | 1,460 3.65% | 1,779 4.73% | 1,873 5.03% | 2,277 6.12% | 3,736 10.04% | 3,973 10.68% | 3,782 10.15% | 4,373 11.86% |
| 日東精工協友会 | 2,775 6.94% | 2,977 7.44% | 3,094 7.73% | 2,945 7.83% | 2,961 7.96% | 3,103 8.34% | 3,214 8.64% | 3,380 9.09% | 3,481 9.34% | 3,577 9.7% |
| 日本カストディ銀行 | 3,554 9.55% | 2,147 5.77% | 1,717 4.61% | 2,633 7.06% | 3,475 9.43% | |||||
| 京都銀行 | 1,892 4.73% | 1,892 4.73% | 1,892 4.73% | 1,890 5.03% | 1,875 5.04% | 1,855 4.99% | 1,855 4.99% | 1,855 4.99% | 1,855 4.98% | 1,855 5.03% |
| 三菱UFJ銀行 | 1,347 3.58% | 1,347 3.62% | 1,347 3.62% | 1,347 3.62% | 1,347 3.62% | 1,347 3.61% | 1,347 3.65% | |||
| 日東精工従業員持株会 | 754 1.88% | 771 1.92% | 731 1.82% | 709 1.88% | 733 1.97% | 784 2.11% | 798 2.14% | 859 2.31% | 935 2.51% | 953 2.58% |
| 三井住友信託銀行 | 1,785 4.46% | 1,785 4.46% | 1,785 4.46% | 1,635 4.35% | 1,485 3.99% | 1,350 3.63% | 1,350 3.63% | 1,350 3.63% | 1,146 3.07% | 675 1.83% |
| 日本生命保険相互会社 | 619 1.54% | 619 1.54% | 619 1.54% | 619 1.64% | 619 1.66% | 619 1.66% | 619 1.66% | 619 1.66% | 619 1.66% | 619 1.68% |
| ユニタス | 600 1.62% | |||||||||
| 第一生命保険 | 600 1.61% | 600 1.62% | ||||||||
| オリップ | 600 1.62% | |||||||||
| 神鋼商事 | 1,499 3.75% | 1,499 3.75% | 1,499 3.75% | 1,499 3.99% | 1,499 4.03% | 1,499 4.03% | 1,499 4.03% | 1,499 4.03% | 749 2.01% | |
| グンゼ | 2,084 5.21% | 2,084 5.21% | 2,084 5.21% | 2,084 5.54% | 1,984 5.33% | 1,784 4.8% | 1,084 2.91% | 1,084 2.91% | ||
| 日本トラスティ・サービス信託銀行 | 960 2.4% | 998 2.49% | 2,154 5.38% | 2,192 5.83% | 3,252 8.74% | |||||
| 三菱東京UFJ銀行 | 1,347 3.37% | 1,347 3.37% | 1,347 3.37% | |||||||
| 計 | 14,904 37.27% | 15,288 38.23% | 16,669 41.68% | 16,705 44.45% | 17,632 47.42% | 18,177 48.88% | 17,654 47.48% | 17,688 47.57% | 17,151 46.04% | 18,678 50.68% |