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 |
|---|---|---|---|---|---|---|---|---|---|---|
| アジア電子工業 | 1,008 3.64% | 1,720 6.22% | 1,893 6.92% | 1,893 6.96% | 1,893 6.94% | |||||
| 共和電業従業員持株会 | 1,858 6.62% | 1,956 6.97% | 2,001 7.13% | 2,027 7.33% | 2,010 7.27% | 1,969 7.12% | 1,955 7.07% | 1,944 7.11% | 1,726 6.34% | 1,758 6.45% |
| 光通信 | 483 1.74% | 988 3.57% | 988 3.61% | 1,351 4.96% | 1,716 6.29% | |||||
| 共和協栄会 | 1,158 4.12% | 1,211 4.31% | 1,266 4.51% | 1,278 4.62% | 1,313 4.75% | 1,306 4.72% | 1,337 4.84% | 1,409 5.15% | 1,461 5.37% | 1,505 5.52% |
| チノー | 711 2.53% | 711 2.53% | 711 2.53% | 711 2.57% | 936 3.38% | 936 3.38% | 936 3.38% | 936 3.42% | 936 3.44% | 936 3.43% |
| ニッカトー | 814 2.9% | 814 2.9% | 814 2.9% | 814 2.94% | 814 2.94% | 814 2.95% | 841 3.04% | 841 3.07% | 841 3.09% | 841 3.08% |
| 日本マスタートラスト信託銀行 | 687 2.45% | 1,248 4.44% | 2,071 7.38% | 2,732 9.87% | 2,896 10.47% | 2,805 10.15% | 2,845 10.3% | 2,336 8.54% | 1,570 5.77% | 773 2.83% |
| みずほ銀行 | 1,029 3.66% | 1,029 3.66% | 1,029 3.66% | 850 3.07% | 850 3.07% | 850 3.07% | 850 3.07% | 660 2.41% | 660 2.42% | 660 2.42% |
| 富国生命保険相互会社 | 650 2.31% | 650 2.31% | 650 2.31% | 650 2.35% | 650 2.35% | 650 2.35% | 650 2.35% | 650 2.37% | 650 2.38% | 650 2.38% |
| 共和販栄会持株会 | 552 2.02% | |||||||||
| 三菱UFJ銀行 | 550 1.98% | 550 1.98% | 550 1.99% | 550 2.01% | 550 2.02% | |||||
| 日本カストディ銀行 | 1,126 4.07% | 1,039 3.76% | ||||||||
| 日本トラスティ・サービス信託銀行 | 1,567 5.58% | 1,843 6.56% | 1,399 4.98% | 441 1.59% | 1,146 4.14% | |||||
| 三菱東京UFJ銀行 | 550 1.96% | 550 1.96% | 550 1.96% | |||||||
| 西華産業 | 450 1.6% | 450 1.6% | 450 1.6% | |||||||
| 計 | 9,476 33.77% | 10,465 37.29% | 10,944 38.96% | 11,579 41.87% | 11,652 42.13% | 12,016 43.5% | 13,163 47.65% | 12,210 44.66% | 11,641 42.8% | 11,287 41.42% |