|
（単位：千株）
|
2016/03
|
2017/03
|
2018/03
|
2019/03
|
2020/03
|
2021/03
|
2022/03
|
2023/03
|
2024/03
|
2025/03
|
|
学研ホールディングス
|
|
|
|
|
16.46%
|
16.46%
|
16.47%
|
16.67%
|
16.67%
|
16.51%
|
|
ファルコホールディングス
|
|
|
|
|
10.36%
|
10.36%
|
10.37%
|
10.5%
|
10.5%
|
10.39%
|
|
光通信
|
|
|
|
|
-
|
4.5%
|
4.51%
|
4.57%
|
4.85%
|
6.36%
|
|
ナカバヤシ
|
|
|
|
|
5.48%
|
5.48%
|
5.49%
|
5.56%
|
5.56%
|
5.5%
|
|
日本通信紙
|
|
|
|
|
4.87%
|
4.87%
|
4.88%
|
4.94%
|
4.94%
|
4.89%
|
|
広田証券
|
|
|
|
|
-
|
-
|
-
|
-
|
3.71%
|
3.67%
|
|
三菱UFJ銀行
|
|
|
|
|
3.65%
|
3.65%
|
3.66%
|
3.7%
|
3.7%
|
3.67%
|
|
三井住友銀行
|
|
|
|
|
3.65%
|
3.65%
|
3.66%
|
3.7%
|
3.7%
|
3.67%
|
|
りそな銀行
|
|
|
|
|
3.65%
|
3.65%
|
3.66%
|
3.7%
|
3.7%
|
3.67%
|
|
日本システム技術
|
|
|
|
|
3.65%
|
3.65%
|
3.66%
|
3.7%
|
3.7%
|
3.67%
|
|
日本マスタートラスト信託銀行
|
|
|
|
|
-
|
-
|
-
|
3.73%
|
-
|
-
|
|
廣田証券
|
|
|
|
|
3.65%
|
3.65%
|
3.66%
|
3.71%
|
-
|
-
|
|
ODK従業員持株会
|
|
|
|
|
3.25%
|
-
|
-
|
-
|
-
|
-
|
|
三菱東京UFJ銀行
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
情報システムサービス
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
計
|
|
|
|
|
58.76%
|
60.01%
|
60.02%
|
64.48%
|
61.04%
|
62%
|