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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 技研ホールディングス | 275 1.56% | 415 2.34% | 502 2.74% | 865 7.97% | 1,343 12.38% | |||||
| 高知銀行持株会 | 4,536 2.55% | 4,584 2.58% | 443 2.51% | 451 2.55% | 453 2.57% | 471 2.66% | 479 2.71% | 492 2.68% | 469 4.32% | 465 4.28% |
| 日本カストディ銀行 | 372 2.1% | 371 2.1% | 368 2.01% | 364 3.35% | 321 2.96% | |||||
| 日色 隆善 | 214 1.97% | 230 2.12% | ||||||||
| ヨンキュウ | 1,074 0.6% | 167 0.94% | 167 0.94% | 167 0.94% | 167 0.94% | 167 0.94% | 217 1.18% | 217 2% | 208 1.91% | |
| 四国総合信用 | 1,602 0.9% | 2,063 1.16% | 206 1.16% | 206 1.16% | 206 1.16% | 206 1.16% | 206 1.16% | 206 1.12% | 206 1.9% | 206 1.9% |
| 技研製作所 | 169 0.96% | 169 0.96% | 169 0.96% | 169 0.96% | 169 0.96% | 199 1.08% | 199 1.84% | 199 1.84% | ||
| 寺澤 佳代 | 103 0.94% | |||||||||
| 豊和銀行 | 1,474 0.83% | 1,474 0.83% | 102 0.94% | |||||||
| 損害保険ジャパン | 137 0.77% | 137 0.77% | 137 0.74% | 95 0.87% | ||||||
| 日本マスタートラスト信託銀行 | 1,114 0.62% | 1,547 0.87% | 213 1.2% | 296 1.67% | 359 2.03% | 452 2.55% | 815 4.61% | 537 2.93% | 288 2.66% | |
| 藤岡 義久 | 188 1.73% | |||||||||
| 整理回収機構 | 75,000 42.26% | 75,000 42.26% | 7,500 42.46% | 7,500 42.46% | 7,500 42.46% | 7,500 42.47% | 7,500 42.45% | 7,500 40.88% | ||
| SMBC日興証券 | 170 0.96% | |||||||||
| 日本トラスティ・サービス 信託銀行 | 3,651 2.05% | 3,675 2.07% | 135 0.76% | 139 0.78% | 144 0.82% | |||||
| 損害保険ジャパン 日本興亜 | 137 0.77% | 137 0.77% | ||||||||
| 損害保険ジャパン日本興亜 | 1,374 0.77% | 1,374 0.77% | ||||||||
| 日本トラスティ・サービス信託銀行 | 1,086 0.61% | |||||||||
| 近森産業 | 1,079 0.6% | |||||||||
| 計 | 97,921 55.18% | 99,391 56.01% | 10,118 57.29% | 10,117 57.28% | 10,166 57.57% | 10,294 58.29% | 10,741 60.8% | 10,653 58.07% | 3,385 31.2% | 3,275 30.19% |