|
（単位：千株）
|
2016/01
|
2017/01
|
2018/01
|
2019/01
|
2020/01
|
2021/01
|
2022/01
|
2023/01
|
2024/01
|
2025/01
|
|
大日本印刷
|
|
|
|
|
53.51%
|
53.51%
|
53.51%
|
54.92%
|
54.92%
|
55.19%
|
|
フォルトウナ
|
|
|
|
|
-
|
4.32%
|
5.74%
|
4.53%
|
4.53%
|
4.73%
|
|
講談社
|
|
|
|
|
4.35%
|
4.35%
|
4.35%
|
4.35%
|
4.35%
|
3.91%
|
|
淳久堂
|
|
|
|
|
3.15%
|
3.07%
|
2.92%
|
2.96%
|
3.39%
|
3.74%
|
|
トーハン
|
|
|
|
|
3.99%
|
3.99%
|
3.99%
|
3.99%
|
3.55%
|
3.55%
|
|
小学館
|
|
|
|
|
2.38%
|
2.38%
|
2.38%
|
2.38%
|
2.38%
|
2.38%
|
|
石井 昭
|
|
|
|
|
1.63%
|
1.51%
|
1.41%
|
1.41%
|
1.41%
|
1.41%
|
|
MSIP CLIENT SECURITIES
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
1.21%
|
|
丸善CHIホールディングス 従業員持株会
|
|
|
|
|
1.91%
|
1.59%
|
1.57%
|
1.4%
|
1.3%
|
1.19%
|
|
公益財団法人図書館振興財団
|
|
|
|
|
0.99%
|
-
|
-
|
-
|
0.99%
|
0.99%
|
|
日本マスタートラスト 信託銀行
|
|
|
|
|
1.07%
|
1.57%
|
2.14%
|
1.82%
|
1.5%
|
-
|
|
工藤 恭孝
|
|
|
|
|
7.67%
|
3.39%
|
1.5%
|
1.17%
|
-
|
-
|
|
宝生堂
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
日本出版販売
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
新田 久子
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
新田 満夫
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
川村 裕二
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
計
|
|
|
|
|
80.7%
|
79.71%
|
79.55%
|
78.97%
|
78.36%
|
78.34%
|