| （単位：千株） | 2022/03 | 2023/03 | 2024/03 | 2025/03 |
|---|---|---|---|---|
| 東ソー |
20.32%
|
20.17%
|
20.01%
|
19.84%
|
| 一般財団法人松永財団 |
16.94%
|
16.81%
|
16.67%
|
16.54%
|
| 杉之原 祥二 |
3.52%
|
4.07%
|
4.67%
|
5.27%
|
| 広島銀行 |
4.08%
|
4.04%
|
4.01%
|
3.98%
|
| 合同資源 |
2.53%
|
2.51%
|
2.49%
|
2.47%
|
| マナック社員持株会 |
1.96%
|
1.74%
|
1.96%
|
1.76%
|
| 村田 耕也 |
1.54%
|
1.54%
|
1.53%
|
1.51%
|
| 光和物産 |
1.53%
|
1.52%
|
1.51%
|
1.49%
|
| スガイ化学工業 | - |
1.32%
|
1.49%
|
1.48%
|
| 中尾薬品 |
1.28%
|
- |
1.26%
|
1.25%
|
| BNY GCM CLIENT ACCOUNT JPRD AC ISG | - |
1.64%
|
- | - |
| 東洋証券 |
1.26%
|
- | - | - |
| 計 |
54.96%
|
55.36%
|
55.6%
|
55.59%
|