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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 日本マスタートラスト信託銀行 | 5,550 10.2% | 5,868 10.79% | 5,929 10.9% | |||||||
| 沖縄電力社員持株会 | 1,234 4.69% | 1,849 4.69% | 2,019 4.87% | 2,566 4.95% | 2,658 5.13% | 2,940 5.4% | 3,030 5.57% | 3,197 5.88% | 3,177 5.84% | 3,277 6.02% |
| 沖縄県知事 | 1,305 4.97% | 1,958 4.97% | 2,154 5.2% | 2,693 5.2% | 2,693 5.2% | 2,828 5.2% | 2,828 5.2% | 2,828 5.2% | 2,828 5.2% | 2,828 5.2% |
| 沖縄銀行 | 1,256 4.78% | 1,884 4.78% | 2,073 5% | 2,406 4.64% | 2,406 4.64% | 2,526 4.64% | 2,526 4.64% | 2,526 4.64% | 2,526 4.64% | 2,526 4.64% |
| 日本生命保険相互会社 | 584 2.22% | 876 2.22% | 963 2.32% | 1,204 2.32% | 1,204 2.32% | 1,264 2.32% | 1,264 2.32% | 1,264 2.32% | 1,264 2.32% | 1,264 2.32% |
| みずほ銀行 | 619 2.36% | 929 2.36% | 1,022 2.47% | 1,278 2.47% | 1,278 2.47% | 1,342 2.47% | 1,342 2.47% | 1,342 2.47% | 1,342 2.47% | 1,218 2.24% |
| 日本カストディ銀行 | 2,400 4.41% | 1,838 3.38% | 2,026 3.72% | 1,049 1.93% | ||||||
| 明治安田生命保険相互会社 | 482 1.84% | 724 1.84% | 796 1.92% | 995 1.92% | 995 1.92% | 1,045 1.92% | 1,045 1.92% | 1,045 1.92% | 1,045 1.92% | 1,045 1.92% |
| 沖縄海邦銀行 | 553 1.4% | 760 1.47% | 760 1.47% | 798 1.47% | 798 1.47% | 798 1.47% | 798 1.47% | 798 1.47% | ||
| 三菱UFJ信託銀行 | 796 1.46% | 796 1.46% | 796 1.46% | 796 1.46% | 796 1.46% | |||||
| 日本マスタートラスト信託 銀行 | 744 2.83% | 2,718 6.89% | 3,761 9.07% | 4,717 9.1% | 4,881 9.42% | 4,246 7.8% | 6,618 12.16% | |||
| 日本カストディ 銀行 | 3,898 7.16% | |||||||||
| 日本トラスティ・サービス信託 銀行 | 655 2.49% | 889 2.26% | 617 1.49% | 1,198 2.31% | 1,167 2.25% | |||||
| 琉球銀行 | 1,261 4.8% | |||||||||
| 計 | 10,323 39.27% | 16,851 42.74% | 17,469 42.13% | 21,827 42.12% | 22,705 43.81% | 21,687 39.86% | 22,651 41.63% | 21,188 38.94% | 21,674 39.84% | 20,734 38.11% |