|
（単位：千株）
|
2016/03
|
2017/03
|
2018/03
|
2019/03
|
2020/03
|
2021/03
|
2022/03
|
2023/03
|
2024/03
|
2025/03
|
|
ナガセ
|
|
|
|
|
18.9%
|
15.87%
|
18.49%
|
18.49%
|
18.49%
|
18.93%
|
|
河端 真一
|
|
|
|
|
7.19%
|
6.31%
|
7.88%
|
7.9%
|
9.43%
|
9.96%
|
|
英進館
|
|
|
|
|
11.48%
|
9.62%
|
9.62%
|
9.62%
|
9.62%
|
9.89%
|
|
日本マスタートラスト信託銀行
|
|
|
|
|
-
|
-
|
4.55%
|
4.65%
|
4.59%
|
5.5%
|
|
福山産業
|
|
|
|
|
7.3%
|
6.12%
|
6.12%
|
6.12%
|
6.12%
|
5.13%
|
|
明光ネットワークジャパン
|
|
|
|
|
5.22%
|
4.38%
|
5%
|
5%
|
5%
|
5.12%
|
|
早稲田アカデミー従業員持株会
|
|
|
|
|
4.04%
|
3.25%
|
3.19%
|
2.95%
|
2.93%
|
4.38%
|
|
学研ホールディングス
|
|
|
|
|
3.3%
|
2.76%
|
2.76%
|
2.76%
|
2.76%
|
2.83%
|
|
教育開発出版
|
|
|
|
|
1.97%
|
1.65%
|
1.73%
|
1.73%
|
1.73%
|
1.77%
|
|
ケーエスコーポレイション
|
|
|
|
|
-
|
1.47%
|
-
|
-
|
-
|
1.61%
|
|
中国開発
|
|
|
|
|
2.96%
|
2.48%
|
2.48%
|
2.48%
|
2.48%
|
-
|
|
平井興産
|
|
|
|
|
2.42%
|
-
|
-
|
-
|
-
|
-
|
|
日本トラスティ・サービス信託銀行
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
河端 真一
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
須野田 珠美
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
進学会
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
計
|
|
|
|
|
64.82%
|
53.94%
|
61.86%
|
61.74%
|
63.19%
|
65.16%
|