大株主
| （単位：千株） | 2015/10 | 2016/10 | 2017/10 | 2018/10 | 2019/10 | 2020/10 | 2021/10 | 2022/10 | 2023/10 | 2024/10 |
|---|---|---|---|---|---|---|---|---|---|---|
| 日本マスタートラスト信託銀行 | 367 3.49% | 205 1.94% | 191 1.81% | 209 2.1% | 238 2.39% | 654 6.55% | 696 6.97% | 630 6.31% | 762 7.63% | |
| 光通信 | 470 4.71% | 815 8.17% | 969 9.71% | 969 9.71% | 747 7.48% | 747 7.48% | 747 7.48% | |||
| UH Partners 2 | 266 2.66% | 575 5.76% | 671 6.73% | 679 6.8% | ||||||
| 巴工業取引先持株会 | 580 5.5% | 545 5.17% | 543 5.15% | 537 5.38% | 504 5.05% | 517 5.18% | 547 5.48% | 551 5.53% | 555 5.57% | 557 5.59% |
| 野田 眞利子 | 397 3.76% | 397 3.76% | 397 3.76% | 397 3.97% | 397 3.97% | 397 3.97% | 397 3.97% | 397 3.97% | 397 3.97% | 397 3.97% |
| みずほ銀行 | 392 3.72% | 392 3.72% | 392 3.72% | 392 3.93% | 392 3.93% | 392 3.93% | 392 3.93% | 392 3.93% | 392 3.93% | 392 3.93% |
| 山口 温子 | 314 2.98% | 314 2.98% | 314 2.98% | 314 3.14% | 314 3.14% | 314 3.14% | 314 3.14% | 314 3.14% | 314 3.14% | 314 3.14% |
| 巴工業従業員持株会 | 233 2.21% | 260 2.46% | 267 2.53% | 269 2.69% | 267 2.67% | 284 2.85% | 287 2.88% | 288 2.89% | 300 3.01% | 305 3.05% |
| エスアイエル | 222 2.23% | 222 2.23% | 222 2.23% | |||||||
| 巴企画 | 245 2.33% | 245 2.33% | 245 2.33% | 245 2.46% | 245 2.46% | 245 2.46% | 245 2.46% | 245 2.46% | 245 2.46% | 210 2.1% |
| 佐良 直美 | 446 4.23% | 446 4.23% | 446 4.23% | 406 4.07% | 406 4.07% | 356 3.56% | 230 2.3% | |||
| 三井住友銀行 | 180 1.7% | 180 1.7% | 180 1.8% | 180 1.8% | ||||||
| 竹内 啓子 | 191 1.92% | 180 1.8% | ||||||||
| 日本トラスティ・サービス信託銀行 | 210 2% | |||||||||
| 山口 静子 | 180 1.71% | 180 1.71% | 180 1.71% | |||||||
| 計 | 3,337 31.68% | 3,167 30.06% | 3,188 30.27% | 3,403 34.11% | 3,732 37.4% | 3,896 39% | 4,304 43.13% | 4,431 44.41% | 4,477 44.87% | 4,588 45.99% |