|
（単位：千株）
|
2016/03
|
2017/03
|
2018/03
|
2019/03
|
2020/03
|
2021/03
|
2022/03
|
2023/03
|
2024/03
|
2025/03
|
2026/03
|
|
日本カストディ銀行
|
|
|
|
|
|
7%
|
2.9%
|
3%
|
3.1%
|
3.3%
|
3.9%
|
|
群栄化学取引先持株会
|
|
|
|
|
|
7.9%
|
7.4%
|
7.8%
|
7.8%
|
8%
|
8.3%
|
|
日本マスタートラスト信託銀行
|
|
|
|
|
|
6.3%
|
8.7%
|
8.5%
|
7.9%
|
8.9%
|
8%
|
|
信越化学工業
|
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
5%
|
|
群馬銀行
|
|
|
|
|
|
4.6%
|
4.6%
|
4.6%
|
4.6%
|
4.6%
|
4.6%
|
|
横浜銀行
|
|
|
|
|
|
3.7%
|
3.7%
|
3.7%
|
3.7%
|
3.7%
|
3.7%
|
|
三菱UFJ信託銀行
|
|
|
|
|
|
3.5%
|
3.5%
|
3.5%
|
3.5%
|
3.5%
|
3.5%
|
|
日本証券金融
|
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
2.8%
|
|
東京応化工業
|
|
|
|
|
|
2.5%
|
2.5%
|
2.5%
|
2.5%
|
2.5%
|
2.5%
|
|
日本生命保険相互会社
|
|
|
|
|
|
-
|
-
|
-
|
-
|
2.4%
|
-
|
|
三菱瓦斯化学
|
|
|
|
|
|
-
|
-
|
-
|
-
|
2.2%
|
-
|
|
光通信
|
|
|
|
|
|
-
|
4.8%
|
3%
|
4.9%
|
-
|
-
|
|
みずほ銀行
|
|
|
|
|
|
2.4%
|
2.4%
|
2.4%
|
2.4%
|
-
|
-
|
|
三井住友銀行
|
|
|
|
|
|
2.4%
|
-
|
-
|
-
|
-
|
-
|
|
日本トラスティ・サービス信託銀行
|
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
株式会社群馬銀行
|
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
三井化学
|
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
有 田 喜 一
|
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
計
|
|
|
|
|
|
49%
|
49.3%
|
47.8%
|
49.2%
|
47.9%
|
51%
|