大株主の所有状況（株式数、持株比率）
[{"name":"エキサイト株式会社","value":706900,"percentage":"14.53"},{"name":"株式会社博報堂","value":517700,"percentage":"10.64"},{"name":"株式会社マイナビ","value":400000,"percentage":"8.22"},{"name":"宮川 洋","value":273450,"percentage":"5.62"},{"name":"株式会社ティーガイア","value":250000,"percentage":"5.14"},{"name":"永井 詳二","value":151500,"percentage":"3.11"},{"name":"株式会社ポプラ社","value":150000,"percentage":"3.08"},{"name":"中坊 勇太","value":114800,"percentage":"2.36"},{"name":"イード従業員持株会","value":92057,"percentage":"1.89"},{"name":"吉野 弘彦","value":90900,"percentage":"1.86"}]
上位10株主の持株比率合計は56.45%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":27174,"percentage":"53.7"},{"name":"その他の法人","value":21110,"percentage":"41.72"},{"name":"個人以外","value":0,"percentage":"3.6"},{"name":"金融商品取引業者","value":441,"percentage":"0.87"},{"name":"金融機関","value":37,"percentage":"0.07"},{"name":"個人","value":0,"percentage":"0.04"}]