大株主の所有状況（株式数、持株比率）
[{"name":"日本マスタートラスト信託銀行株式会社（信託口）","value":3085000,"percentage":"11.49"},{"name":"株式会社朝日新聞社","value":2217000,"percentage":"8.26"},{"name":"杉山 裕一","value":2035000,"percentage":"7.58"},{"name":"株式会社IWASAKI","value":1690000,"percentage":"6.29"},{"name":"岩崎 慎一","value":956000,"percentage":"3.56"},{"name":"梅村 守","value":947000,"percentage":"3.53"},{"name":"株式会社日本カストディ銀行（信託口）","value":819000,"percentage":"3.05"},{"name":"株式会社シマドコーポレーション","value":500000,"percentage":"1.86"},{"name":"朝日ネット従業員持株会","value":399000,"percentage":"1.49"},{"name":"鎌野 篤","value":396000,"percentage":"1.48"}]
上位10株主の持株比率合計は48.59%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":196438,"percentage":"62.55"},{"name":"その他の法人","value":49355,"percentage":"15.71"},{"name":"金融機関","value":40471,"percentage":"12.88"},{"name":"個人以外","value":0,"percentage":"6.78"},{"name":"金融商品取引業者","value":6391,"percentage":"2.03"},{"name":"個人","value":0,"percentage":"0.04"}]