大株主の所有状況（株式数、持株比率）
[{"name":"太平洋セメント株式会社","value":497000,"percentage":"33.52"},{"name":"有恒鉱業株式会社","value":213000,"percentage":"14.38"},{"name":"二反田 静太郎","value":48000,"percentage":"3.29"},{"name":"株式会社埼玉りそな銀行","value":31000,"percentage":"2.14"},{"name":"山腰 玲子","value":26000,"percentage":"1.81"},{"name":"中村 幸久","value":24000,"percentage":"1.63"},{"name":"諸井 恒一","value":16000,"percentage":"1.08"},{"name":"株式会社武蔵野銀行","value":16000,"percentage":"1.08"},{"name":"柿原林業株式会社","value":10000,"percentage":"0.73"},{"name":"東武鉄道株式会社","value":10000,"percentage":"0.68"}]
上位10株主の持株比率合計は60.34%です。
所有者別構成（単元数、持株比率）
[{"name":"その他の法人","value":7727,"percentage":"52.11"},{"name":"個人その他","value":6584,"percentage":"44.4"},{"name":"金融機関","value":483,"percentage":"3.26"},{"name":"金融商品取引業者","value":30,"percentage":"0.2"},{"name":"個人以外","value":0,"percentage":"0.03"}]