大株主の所有状況（株式数、持株比率）
[{"name":"有限会社シモムラ","value":2690000,"percentage":"32.36"},{"name":"下村 勝己","value":977000,"percentage":"11.75"},{"name":"株式会社学研ホールディングス","value":400000,"percentage":"4.81"},{"name":"下村 友里","value":379000,"percentage":"4.56"},{"name":"山崎 杏里","value":379000,"percentage":"4.56"},{"name":"深堀 和子","value":320000,"percentage":"3.85"},{"name":"株式会社日本カストディ銀行（信託E口）","value":280000,"percentage":"3.37"},{"name":"小川 由晃","value":220000,"percentage":"2.65"},{"name":"株式会社みずほ銀行","value":192000,"percentage":"2.31"},{"name":"深堀 雄一郎","value":120000,"percentage":"1.44"},{"name":"深堀 泰弘","value":120000,"percentage":"1.44"}]
上位11株主の持株比率合計は73.1%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":52060,"percentage":"58.27"},{"name":"その他の法人","value":31784,"percentage":"35.58"},{"name":"金融機関","value":4721,"percentage":"5.28"},{"name":"金融商品取引業者","value":588,"percentage":"0.66"},{"name":"個人以外","value":0,"percentage":"0.17"},{"name":"個人","value":0,"percentage":"0.04"}]