大株主の所有状況（株式数、持株比率）
[{"name":"シグマ株式会社","value":1938000,"percentage":"17.63"},{"name":"石橋 健藏","value":1419000,"percentage":"12.91"},{"name":"公益財団法人石橋奨学会","value":1000000,"percentage":"9.1"},{"name":"朝日生命保険相互会社","value":768000,"percentage":"6.99"},{"name":"昭和化学工業取引先持株会","value":511000,"percentage":"4.65"},{"name":"白山工業株式会社","value":341000,"percentage":"3.11"},{"name":"株式会社三井住友銀行","value":340000,"percentage":"3.09"},{"name":"石橋 敬子","value":316000,"percentage":"2.88"},{"name":"北沢産業株式会社","value":255000,"percentage":"2.32"},{"name":"株式会社北陸銀行","value":231000,"percentage":"2.1"},{"name":"株式会社みずほ銀行","value":231000,"percentage":"2.1"}]
上位11株主の持株比率合計は66.88%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":53212,"percentage":"44.4"},{"name":"その他の法人","value":48354,"percentage":"40.4"},{"name":"金融機関","value":17673,"percentage":"14.8"},{"name":"金融商品取引業者","value":355,"percentage":"0.3"},{"name":"個人以外","value":0,"percentage":"0.1"},{"name":"個人","value":0,"percentage":"0.0"}]