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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 三菱電機 | 4,672 31.78% | 2,472 16.81% | 2,472 19.23% | 247 19.16% | 247 19.13% | 247 19.07% | 247 19.01% | 247 19% | 247 18.98% | 247 18.8% |
| 石田 甲 | 404 2.74% | 408 2.77% | 412 3.21% | 42 3.32% | 42 3.26% | 42 3.3% | 43 3.33% | 43 3.36% | 44 3.41% | 80 6.11% |
| 楽天証券 | 32 2.46% | 52 4.02% | ||||||||
| 島根 良明 | 24 1.89% | 24 1.92% | 27 2.15% | 28 2.16% | 28 2.16% | 41 3.17% | 48 3.67% | |||
| SBI証券 | 264 1.79% | 199 1.35% | 43 3.37% | 41 3.18% | ||||||
| KMマネジメント | 40 3.15% | 40 3.15% | 40 3.14% | 40 3.14% | 40 3.11% | |||||
| 三菱UFJ信託銀行 | 300 2.04% | 300 2.04% | 300 2.33% | 30 2.32% | 30 2.32% | 30 2.31% | 30 2.31% | 30 2.31% | 30 2.3% | 30 2.28% |
| 大井電気従業員持株会 | 532 3.61% | 529 3.59% | 501 3.9% | 47 3.64% | 45 3.5% | 40 3.08% | 39 3.01% | 35 2.74% | 34 2.63% | 29 2.24% |
| 一般財団法人石田實記念財団 | 222 1.51% | 222 1.73% | 22 1.72% | 22 1.71% | 22 1.71% | 22 1.71% | 22 1.71% | 22 1.69% | ||
| 高石 文夫 | 20 1.55% | |||||||||
| UNEARTH INTERNATIONAL LIMITED | 116 9.01% | 134 10.38% | 200 15.44% | 249 19.13% | 106 8.19% | |||||
| 石田 哲爾 | 562 3.82% | 562 3.82% | 562 4.37% | 56 4.35% | 56 4.35% | 31 2.4% | 31 2.4% | 31 2.4% | 31 2.4% | |
| 石橋 健 | 166 1.29% | 16 1.28% | 16 1.25% | 16 1.25% | 16 1.25% | 16 1.24% | ||||
| 石田 雅子 | 161 1.25% | 16 1.24% | ||||||||
| M＆S | 912 7.1% | 100 7.82% | ||||||||
| 松岡 国夫 | 186 1.26% | 186 1.26% | 250 1.95% | 19 1.51% | ||||||
| 久保 修三 | 242 1.64% | 427 2.9% | ||||||||
| 岩渕 道明 | 193 1.31% | 201 1.36% | ||||||||
| GOLDMAN SACHS INTERNATIONAL | 232 1.57% | |||||||||
| 計 | 7,587 51.61% | 5,506 37.46% | 5,958 46.35% | 606 47.05% | 616 47.74% | 633 48.85% | 699 53.77% | 744 57.19% | 652 50.05% | 613 46.65% |