大株主の所有状況（株式数、持株比率）
[{"name":"株式会社関口興業社","value":2126000,"percentage":"20.0"},{"name":"アルトナー従業員持株会","value":802548,"percentage":"7.55"},{"name":"大阪中小企業投資育成株式会社","value":480000,"percentage":"4.51"},{"name":"THE NOMURA TRUST AND BANKING CO.,LTD. AS THE TRUSTEE OF REPURCHASE AG FUND 2024-09（LIMITED OT FINANC IN RESALE RSTRCT）（常任代理人 シティバンク、エヌ・エイ東京支店）","value":151000,"percentage":"1.42"},{"name":"張替 朋則","value":140840,"percentage":"1.32"},{"name":"日本マスタートラスト信託銀行株式会社（信託口）","value":134000,"percentage":"1.26"},{"name":"奥坂 一也","value":115380,"percentage":"1.08"},{"name":"出雲 宏行","value":100000,"percentage":"0.94"},{"name":"株式会社日本カストディ銀行（信託口）","value":92600,"percentage":"0.87"},{"name":"野村信託銀行株式会社（投信口）","value":76100,"percentage":"0.71"}]
上位10株主の持株比率合計は39.66%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":66014,"percentage":"62.97"},{"name":"その他の法人","value":27173,"percentage":"25.92"},{"name":"個人以外","value":0,"percentage":"5.95"},{"name":"金融機関","value":3944,"percentage":"3.76"},{"name":"金融商品取引業者","value":1354,"percentage":"1.29"},{"name":"個人","value":0,"percentage":"0.11"}]