大株主
| （単位：千株） | 2015/11 | 2016/11 | 2017/11 | 2018/11 | 2019/11 | 2020/11 | 2021/11 | 2022/11 | 2023/11 | 2024/11 |
|---|---|---|---|---|---|---|---|---|---|---|
| 山田化成 | 2,014 16.5% | 2,014 16.5% | 2,014 16.5% | 201 16.5% | 201 16.5% | 201 16.5% | 201 16.5% | 201 16.6% | 201 16.6% | 201 16.6% |
| 正喜商事 | 131 10.7% | 121 9.9% | 121 9.9% | 121 9.9% | 121 9.9% | 121 9.9% | ||||
| いずも産業 | 41 3.4% | 44 3.6% | ||||||||
| 山田史郎 | 198 1.6% | 198 1.6% | 198 1.6% | 18 1.5% | 18 1.5% | 28 2.3% | 28 2.3% | 28 2.3% | 28 2.3% | 28 2.3% |
| 三井化学 | 250 2% | 250 2% | 250 2% | 25 2.1% | 25 2.1% | 25 2.1% | 25 2.1% | 25 2.1% | 25 2.1% | 25 2.1% |
| 今川和明 | 137 1.1% | 15 1.3% | 24 2% | 25 2.1% | 25 2.1% | 25 2.1% | 25 2.1% | |||
| 山田善大 | 206 1.7% | 20 1.7% | 20 1.7% | 20 1.7% | 20 1.7% | 20 1.7% | 20 1.7% | 20 1.7% | ||
| 両角義信 | 18 1.5% | 20 1.6% | 20 1.6% | 20 1.6% | ||||||
| 高原哲也 | 15 1.2% | 16 1.4% | 17 1.4% | |||||||
| 平峯 直 | 17 1.4% | |||||||||
| 佐野史哉 | 20 1.6% | |||||||||
| 山田吉隆 | 371 3% | 386 3.2% | 396 3.3% | 40 3.3% | 37 3.1% | 20 1.6% | 20 1.7% | 20 1.7% | ||
| 日本証券金融 | 18 1.5% | 16 1.3% | ||||||||
| 藤本博嗣 | 15 1.3% | |||||||||
| SMBC日興証券 | 20 1.7% | |||||||||
| 細羽 強 | 14 1.2% | |||||||||
| 旭倉庫 | 145 1.2% | 145 1.2% | 145 1.2% | 14 1.2% | 14 1.2% | 14 1.2% | ||||
| 山口文明 | 51 4.2% | 36 3% | ||||||||
| 三菱瓦斯化学 | 144 1.2% | 144 1.2% | 14 1.2% | 14 1.2% | ||||||
| 山田正水事務所 | 1,200 9.8% | 1,200 9.8% | 1,200 9.8% | 120 9.9% | ||||||
| 山田秀行 | 130 1.1% | 13 1.1% | ||||||||
| THE BANK OF NEW YORK MELLON | 177 1.5% | |||||||||
| 松井証券 | 436 3.6% | 130 1.1% | ||||||||
| 山田芳和 | 191 1.6% | 191 1.6% | ||||||||
| マネックス証券 | 133 1.1% | |||||||||
| 浅野益男 | 217 1.8% | |||||||||
| 小原豊一 | 169 1.4% | |||||||||
| 計 | 5,192 42.6% | 4,799 39.3% | 4,991 40.9% | 519 42.7% | 514 42.2% | 491 40.3% | 492 40.5% | 493 40.6% | 520 42.7% | 520 42.7% |