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":11140000,"percentage":"17.73"},{"name":"株式会社日本カストディ銀行（信託口）","value":5903000,"percentage":"9.39"},{"name":"アイカ工業取引先持株会","value":2454000,"percentage":"3.9"},{"name":"アイカ工業株式保有会","value":1613000,"percentage":"2.56"},{"name":"株式会社日本カストディ銀行（信託口4）","value":1519000,"percentage":"2.41"},{"name":"STATE STREET BANK AND TRUST COMPANY 505001（常任代理人 株式会社みずほ銀行決済営業部）","value":1409000,"percentage":"2.24"},{"name":"住友生命保険相互会社（常任代理人 株式会社日本カストディ銀行）","value":1318000,"percentage":"2.09"},{"name":"大日本印刷株式会社","value":1293000,"percentage":"2.05"},{"name":"JPモルガン証券株式会社","value":757000,"percentage":"1.2"},{"name":"東邦瓦斯株式会社","value":738000,"percentage":"1.17"}]
上位10株主の持株比率合計は44.74%です。
所有者別構成（単元数、持株比率）
[{"name":"金融機関","value":235490,"percentage":"34.89"},{"name":"個人以外","value":0,"percentage":"23.12"},{"name":"個人その他","value":152642,"percentage":"22.6"},{"name":"その他の法人","value":105686,"percentage":"15.66"},{"name":"金融商品取引業者","value":25166,"percentage":"3.73"},{"name":"個人","value":0,"percentage":"0.0"}]