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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 名東興産 | 6,918 16.09% | 6,918 16.09% | 6,918 17.1% | 6,918 17.07% | 6,918 17.07% | 6,918 17.07% | 6,918 18.19% | 6,918 18.19% | 6,918 18.19% | 6,918 18.19% |
| 日本マスタートラスト信託銀行 | 837 1.95% | 833 1.94% | 1,404 3.47% | 1,647 4.06% | 2,093 5.16% | 2,438 6.02% | 4,074 10.71% | 3,852 10.13% | 4,010 10.54% | 4,804 12.63% |
| 日東工業取引先持株会 | 1,694 3.94% | 1,793 4.17% | 1,864 4.61% | 1,920 4.74% | 1,986 4.9% | 2,082 5.14% | 2,215 5.83% | 2,279 5.99% | 2,286 6.01% | 2,432 6.39% |
| 明治安田生命保険相互会社 | 1,586 3.69% | 1,586 3.69% | 1,586 3.92% | 1,586 3.91% | 1,586 3.91% | 1,586 3.91% | 1,586 4.17% | 1,586 4.17% | 1,586 4.17% | 1,586 4.17% |
| 伸和興産 | 1,050 2.44% | 1,050 2.44% | 1,050 2.6% | 1,050 2.59% | 1,050 2.59% | 1,050 2.59% | 1,050 2.76% | 1,050 2.76% | 1,050 2.76% | 1,050 2.76% |
| 日本カストディ銀行 | 2,256 5.57% | 1,110 2.92% | 1,295 3.41% | 847 2.23% | 962 2.53% | |||||
| 日東工業社員持株会 | 777 1.81% | 825 1.92% | 855 2.11% | 863 2.13% | 849 2.1% | 881 2.18% | 919 2.42% | 908 2.39% | 782 2.06% | 802 2.11% |
| 公益財団法人日東学術振興財団 | 779 1.81% | 779 1.81% | 779 2.05% | 779 2.05% | 779 2.05% | 779 2.05% | ||||
| 名古屋銀行 | 586 1.54% | 586 1.54% | 586 1.54% | 586 1.54% | ||||||
| 横山不動産 | 515 1.35% | 515 1.35% | 515 1.35% | 515 1.35% | ||||||
| みずほ銀行 | 1,000 2.33% | 1,000 2.33% | 1,000 2.47% | 1,000 2.47% | 1,000 2.47% | 1,000 2.47% | ||||
| NORTHERN TRUST CO.RE HCROO | 795 1.97% | 1,007 2.49% | 1,076 2.66% | 900 2.22% | ||||||
| みずほ信託銀行 | 842 1.96% | 842 1.96% | 842 2.08% | 842 2.08% | 842 2.08% | 842 2.08% | ||||
| 日本トラスティ・サービス信託銀行 | 1,269 2.95% | 850 1.98% | 989 2.45% | 2,121 5.23% | 2,145 5.29% | |||||
| 計 | 16,755 38.97% | 16,479 38.32% | 17,306 42.77% | 18,958 46.77% | 19,548 48.23% | 19,956 49.24% | 19,756 51.94% | 19,773 51.99% | 19,363 50.91% | 20,438 53.74% |