|
（単位：千株）
|
2016/03
|
2017/03
|
2018/03
|
2019/03
|
2020/03
|
2021/03
|
2022/03
|
2023/03
|
2024/03
|
2025/03
|
|
ENEOSホールディングス
|
|
|
|
|
-
|
16.9%
|
17.1%
|
17.1%
|
17.1%
|
17.1%
|
|
日新
|
|
|
|
|
14.7%
|
14.7%
|
14.8%
|
14.8%
|
14.8%
|
14.8%
|
|
日本マスタートラスト 信託銀行
|
|
|
|
|
5.2%
|
5.2%
|
5.2%
|
5.2%
|
5.2%
|
5.2%
|
|
三井住友銀行
|
|
|
|
|
3.7%
|
3.7%
|
3.7%
|
3.7%
|
3.7%
|
3.7%
|
|
筒井 博昭
|
|
|
|
|
3.2%
|
3.2%
|
3.3%
|
3.3%
|
3.3%
|
3.3%
|
|
筒井 健司
|
|
|
|
|
2.5%
|
2.9%
|
2.9%
|
2.9%
|
2.9%
|
2.9%
|
|
筒井 敦子
|
|
|
|
|
1.7%
|
1.7%
|
1.8%
|
1.8%
|
1.8%
|
1.8%
|
|
ユシロ化学工業
|
|
|
|
|
-
|
1.7%
|
1.7%
|
1.7%
|
1.7%
|
1.7%
|
|
三菱UFJ銀行
|
|
|
|
|
1.5%
|
1.5%
|
1.5%
|
1.5%
|
1.5%
|
1.5%
|
|
日本精化
|
|
|
|
|
1.5%
|
-
|
-
|
-
|
1.5%
|
1.5%
|
|
日新商事従業員持株会
|
|
|
|
|
1.5%
|
1.5%
|
1.6%
|
1.5%
|
-
|
-
|
|
JXTGホールディングス
|
|
|
|
|
16.9%
|
-
|
-
|
-
|
-
|
-
|
|
山本 知宏
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
三菱東京UFJ銀行
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
JXホールディングス
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
日新商事
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
計
|
|
|
|
|
52.5%
|
53%
|
53.6%
|
53.5%
|
53.5%
|
53.5%
|