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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 四国電力 | 12,498 30.76% | 12,498 30.76% | 2,499 31.87% | 2,499 31.88% | 2,499 31.88% | 2,499 31.85% | 4,999 31.81% | 4,999 31.75% | 4,999 31.76% | 14,998 31.72% |
| 日本マスタートラスト信託銀行 | 416 1.02% | 106 1.36% | 133 1.7% | 169 2.16% | 228 2.91% | 841 5.35% | 913 5.8% | 1,026 6.52% | 3,513 7.43% | |
| 四電工従業員持株会 | 2,483 6.11% | 2,578 6.34% | 500 6.38% | 500 6.38% | 451 5.75% | 461 5.88% | 939 5.97% | 999 6.35% | 988 6.28% | 2,589 5.48% |
| 日本カストディ銀行 | 105 1.35% | 229 1.46% | 359 2.28% | 587 3.73% | 1,365 2.89% | |||||
| 伊予鉄グループ | 1,361 2.88% | |||||||||
| BBH BOSTON FOR NOMURA JAPAN SMALLER CAPITALIZATION FUND620065 | 193 1.23% | 852 1.8% | ||||||||
| 日本生命保険相互会社 | 440 1.08% | 440 1.08% | 88 1.12% | 88 1.12% | 88 1.12% | 88 1.12% | 176 1.12% | 176 1.12% | 528 1.12% | |
| 吉野川電線 | 145 0.92% | 435 0.92% | ||||||||
| DFA INTL SMALL CAP VALUE PORTFOLIO | 184 1.17% | 166 1.06% | 398 0.84% | |||||||
| 宮地電機 | 440 1.08% | 440 1.08% | 88 1.12% | 176 1.12% | 396 0.84% | |||||
| 光通信 | 100 1.29% | 101 1.3% | 101 1.3% | 430 2.74% | 461 2.93% | 401 2.55% | ||||
| 愛媛銀行 | 955 2.35% | 955 2.35% | 191 2.44% | 191 2.44% | 191 2.44% | 191 2.44% | 309 1.97% | 309 1.97% | ||
| 吉田 知広 | 373 2.38% | 271 1.72% | ||||||||
| 伊予銀行 | 1,113 2.74% | 1,113 2.74% | 222 2.84% | 222 2.84% | 222 2.84% | 222 2.84% | 222 1.42% | 222 1.41% | ||
| 中国銀行 | 1,173 2.89% | 1,173 2.89% | 234 2.99% | 234 2.99% | 234 2.99% | 234 2.99% | 234 1.49% | |||
| 百十四銀行 | 1,093 2.69% | 1,093 2.69% | 218 2.79% | 218 2.79% | 218 2.79% | 218 2.79% | 218 1.39% | |||
| 日本トラスティ・サービス信託銀行 | 404 0.99% | 458 1.13% | 154 1.96% | 141 1.8% | 162 2.07% | |||||
| CBNY DFA INTL SMALL CAP VALUE PORTFOLIO | 403 0.99% | |||||||||
| 計 | 21,006 51.69% | 21,167 52.09% | 4,304 54.88% | 4,330 55.22% | 4,339 55.35% | 4,352 55.47% | 8,799 55.98% | 8,897 56.51% | 8,860 56.28% | 26,438 55.92% |