大株主
| （単位：千株） | 2016/02 | 2017/02 | 2018/02 | 2019/02 | 2020/02 | 2021/02 | 2022/02 | 2023/02 | 2024/02 | 2025/02 |
|---|---|---|---|---|---|---|---|---|---|---|
| 牧 平 年 廣 | 1,524 27.46% | 1,524 27.46% | 1,524 27.46% | 1,524 28.98% | 1,524 28.98% | 1,524 28.98% | 1,524 28.98% | 1,573 29.92% | 1,591 30.25% | 1,591 30.25% |
| きょくとう社員持株会 | 341 6.15% | 317 5.72% | 294 5.31% | 294 5.6% | 293 5.59% | 311 5.93% | 293 5.67% | 272 5.17% | 262 4.98% | 268 5.1% |
| 西日本シティ銀行 | 250 4.5% | 250 4.5% | 250 4.5% | 250 4.75% | 250 4.75% | 250 4.75% | 250 4.75% | 250 4.75% | 250 4.75% | 250 4.75% |
| 十八親和銀行 | 220 4.18% | 220 4.18% | 220 4.18% | 220 4.18% | 220 4.18% | |||||
| 佐賀銀行 | 140 2.52% | 140 2.52% | 140 2.52% | 140 2.66% | 140 2.66% | 140 2.66% | 140 2.66% | 140 2.66% | 140 2.66% | 140 2.66% |
| 牧 平 京 子 | 132 2.38% | 132 2.38% | 132 2.38% | 132 2.51% | 132 2.51% | 132 2.51% | 132 2.51% | 132 2.51% | 132 2.51% | 132 2.51% |
| ロイヤルネットワーク | 100 1.8% | 100 1.8% | 100 1.8% | 100 1.9% | 100 1.9% | 100 1.9% | 100 1.9% | 100 1.9% | 100 1.9% | 100 1.9% |
| 永 田 光 春 | 77 1.47% | 89 1.69% | ||||||||
| 冨 沢 広 之 | 89 1.62% | 89 1.62% | 89 1.62% | 89 1.71% | 89 1.71% | 89 1.71% | 89 1.71% | 89 1.71% | 89 1.71% | 89 1.71% |
| ツー・エム化成 | 71 1.28% | 71 1.28% | 71 1.28% | 71 1.35% | 71 1.35% | 71 1.35% | 71 1.35% | 71 1.35% | 71 1.35% | 71 1.35% |
| JA三井リース九州 | 60 1.14% | 60 1.14% | 60 1.14% | 60 1.14% | 60 1.14% | |||||
| 親和銀行 | 220 3.96% | 220 3.96% | 220 3.96% | 220 4.18% | 220 4.18% | |||||
| きょくとう | 289 5.22% | |||||||||
| 平賀秀夫 | 280 5.04% | 280 5.04% | ||||||||
| 計 | 3,148 56.72% | 3,124 56.29% | 3,111 56.06% | 2,882 54.78% | 2,881 54.77% | 2,899 55.11% | 2,880 54.75% | 2,908 55.29% | 2,933 55.76% | 2,952 56.11% |