大株主の所有状況（株式数、持株比率）
[{"name":"有限会社平井興産","value":6372000,"percentage":"36.1"},{"name":"平井 睦雄","value":2330000,"percentage":"13.2"},{"name":"株式会社学研ホールディングス","value":1847000,"percentage":"10.46"},{"name":"平井 将浩","value":593000,"percentage":"3.36"},{"name":"進学会職員持株会","value":350000,"percentage":"1.98"},{"name":"日本証券金融株式会社","value":332000,"percentage":"1.85"},{"name":"平井 純子","value":124000,"percentage":"0.7"},{"name":"小川 由晃","value":122000,"percentage":"0.69"},{"name":"まこと交通株式会社","value":66000,"percentage":"0.37"},{"name":"堀尾 敬子","value":60000,"percentage":"0.33"}]
上位10株主の持株比率合計は69.04%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":111220,"percentage":"55.52"},{"name":"その他の法人","value":83971,"percentage":"41.92"},{"name":"金融機関","value":3323,"percentage":"1.65"},{"name":"金融商品取引業者","value":1051,"percentage":"0.52"},{"name":"個人以外","value":0,"percentage":"0.24"},{"name":"個人","value":0,"percentage":"0.06"}]