大株主
| （単位：千株） | 2019/03 | 2020/03 | 2021/03 | 2022/03 | 2023/03 | 2024/03 | 2025/03 |
|---|---|---|---|---|---|---|---|
| 田杉総行 | 660 20.69% | 660 20.54% | 660,000 20.51% | 660 20.51% | 660 22.24% | 660 22.24% | 660 22.15% |
| 田鎖 郁夫 | 578 18.12% | 582 18.11% | 582,000 18.09% | 582 18.08% | 582 19.61% | 582 19.61% | 582 19.53% |
| 杉山 恒夫 | 210 6.58% | 217 6.75% | 217,000 6.74% | 217 6.74% | 217 7.31% | 217 7.31% | 217 7.28% |
| 藤井 義久 | 202,000 6.27% | 202 6.29% | 203 6.86% | 204 6.9% | 206 6.92% | ||
| MSIP CLIENT SECURITIES | 54 1.7% | 290,200 9.02% | 290 9.01% | 156 5.26% | 156 5.26% | 151 5.09% | |
| 双日建材 | 200 6.27% | 200 6.22% | 200,000 6.21% | 200 6.21% | 90 3.04% | 90 3.04% | 90 3.03% |
| 伊東 洋路 | 60 1.88% | 60 1.87% | 60,000 1.86% | 58 1.82% | 59 1.99% | 58 1.98% | 55 1.85% |
| THE HONGKONG AND SHANGHAI BANKING CORPORATION LTD － SINGAPORE BRANCHPRIVATE BANKING DIVISION A／C CLIENTS | 50 1.55% | 50 1.68% | 50 1.68% | 50 1.68% | |||
| 楽天証券 | 42 1.43% | ||||||
| 鈴間 浩 | 35 1.1% | 35 1.17% | |||||
| 山河 和博 | 90 2.82% | 90 2.8% | 90,000 2.79% | 90 2.79% | 90 3.03% | 90 3.03% | |
| SBI証券 | 110 3.47% | 52 1.76% | |||||
| グローバル・タイガー・ファンド4号投資事業有限責任組合 | 67 2.1% | 61,600 1.91% | 61 1.91% | 56 1.9% | |||
| 川上 寿雄 | 51,400 1.59% | ||||||
| J．P． MORGAN BANK LUXEMBOURG S．A． | 217 6.77% | ||||||
| 杉山 義久 | 199 6.24% | 202 6.29% | |||||
| 山川 裕史 | 50 1.57% | ||||||
| 計 | 2,192 68.75% | 2,350 73.15% | 2,414,200 75.05% | 2,412 74.94% | 2,165 72.96% | 2,161 72.84% | 2,089 70.14% |