|
（単位：千株）
|
2016/03
|
2017/03
|
2018/03
|
2019/03
|
2020/03
|
2021/03
|
2022/03
|
2023/03
|
2024/03
|
2025/03
|
|
日本電設工業
|
|
|
|
|
11.78%
|
11.78%
|
11.78%
|
11.78%
|
11.78%
|
14.93%
|
|
大同信号取引先持株会
|
|
|
|
|
4.81%
|
4.68%
|
4.86%
|
4.42%
|
4.59%
|
5.31%
|
|
朝日生命保険相互会社
|
|
|
|
|
4.02%
|
4.02%
|
4.02%
|
4.02%
|
4.02%
|
4.46%
|
|
みずほ銀行
|
|
|
|
|
4.92%
|
4.92%
|
4.92%
|
4.92%
|
4.92%
|
4.26%
|
|
日本リーテック
|
|
|
|
|
3.69%
|
3.69%
|
3.69%
|
3.69%
|
3.69%
|
4.09%
|
|
大同信号従業員持株会
|
|
|
|
|
-
|
-
|
-
|
-
|
3.18%
|
3.78%
|
|
光パワー
|
|
|
|
|
-
|
-
|
3.36%
|
3.36%
|
3.36%
|
3.73%
|
|
三井住友銀行
|
|
|
|
|
4.73%
|
4.73%
|
4.73%
|
4.73%
|
4.73%
|
3.67%
|
|
重田 康光
|
|
|
|
|
3.02%
|
3.02%
|
-
|
-
|
-
|
3.31%
|
|
大同信号共済会
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
3.14%
|
|
第一生命保険
|
|
|
|
|
4.61%
|
4.61%
|
4.61%
|
4.61%
|
4.61%
|
-
|
|
日新火災海上保険
|
|
|
|
|
3.12%
|
3.12%
|
3.12%
|
3.12%
|
3.12%
|
-
|
|
三菱UFJ銀行
|
|
|
|
|
3.06%
|
3.06%
|
3.06%
|
3.06%
|
-
|
-
|
|
三菱東京UFJ銀行
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
戸部 政彦
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
計
|
|
|
|
|
47.76%
|
47.64%
|
48.15%
|
47.71%
|
48%
|
50.66%
|