|
（単位：千株）
|
2016/03
|
2017/03
|
2018/03
|
2019/03
|
2020/03
|
2021/03
|
2022/03
|
2023/03
|
2024/03
|
2025/03
|
|
太田 明弘
|
|
|
|
|
25.63%
|
25.63%
|
26.5%
|
26.51%
|
26.51%
|
26.51%
|
|
オーシャス
|
|
|
|
|
-
|
-
|
5.94%
|
5.94%
|
5.94%
|
21.19%
|
|
学校法人高宮学園
|
|
|
|
|
2.28%
|
4.98%
|
4.99%
|
4.99%
|
4.99%
|
4.99%
|
|
くふうカンパニー
|
|
|
|
|
-
|
-
|
-
|
-
|
1.93%
|
4.5%
|
|
成学社従業員持株会
|
|
|
|
|
4.38%
|
3.99%
|
4.11%
|
4.31%
|
4.37%
|
4.45%
|
|
太田 貴美子
|
|
|
|
|
3.13%
|
3.13%
|
3.13%
|
3.13%
|
3.13%
|
3.13%
|
|
さなる
|
|
|
|
|
2.86%
|
2.86%
|
2.86%
|
2.86%
|
2.86%
|
2.86%
|
|
仙台進学プラザ
|
|
|
|
|
1.06%
|
1.06%
|
1.06%
|
1.33%
|
1.51%
|
2.06%
|
|
永井 博
|
|
|
|
|
1.58%
|
1.6%
|
1.62%
|
1.68%
|
1.74%
|
1.8%
|
|
日本作文指導協会
|
|
|
|
|
1.05%
|
1.05%
|
-
|
-
|
-
|
1.05%
|
|
ニューウェーブ
|
|
|
|
|
21.17%
|
21.18%
|
15.24%
|
15.24%
|
15.24%
|
-
|
|
ナガセ
|
|
|
|
|
7.2%
|
4.5%
|
2.59%
|
2.59%
|
-
|
-
|
|
MM印刷
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
平野 秀一
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
計
|
|
|
|
|
70.38%
|
70.02%
|
68.09%
|
68.64%
|
68.27%
|
72.59%
|