大株主の所有状況（株式数、持株比率）
[{"name":"川居 睦","value":2038600,"percentage":"27.34"},{"name":"アルプスシステムインテグレーション株式会社","value":720000,"percentage":"9.65"},{"name":"株式会社旺文社","value":720000,"percentage":"9.65"},{"name":"光通信株式会社","value":272600,"percentage":"3.65"},{"name":"キヤノンITソリューションズ株式会社","value":237100,"percentage":"3.18"},{"name":"株式会社旺文社キャピタルマネジメント","value":180000,"percentage":"2.41"},{"name":"株式会社日本カストディ銀行","value":133800,"percentage":"1.79"},{"name":"株式会社ダイヤ書房","value":122000,"percentage":"1.63"},{"name":"大賀 昭雄","value":100000,"percentage":"1.34"},{"name":"森 達也","value":100000,"percentage":"1.34"}]
上位10株主の持株比率合計は61.98%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":50604,"percentage":"64.33"},{"name":"その他の法人","value":24960,"percentage":"31.73"},{"name":"金融商品取引業者","value":1480,"percentage":"1.88"},{"name":"金融機関","value":1339,"percentage":"1.7"},{"name":"個人以外","value":0,"percentage":"0.34"},{"name":"個人","value":0,"percentage":"0.02"}]