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":4016000,"percentage":"9.23"},{"name":"株式会社日本製鋼所","value":2476000,"percentage":"5.69"},{"name":"株式会社日本カストディ銀行（信託口）","value":2431000,"percentage":"5.58"},{"name":"野村 絢（常任代理人 三田証券株式会社）","value":2119000,"percentage":"4.87"},{"name":"月島ホールディングス従業員持株会","value":1973000,"percentage":"4.53"},{"name":"東京センチュリー株式会社","value":1757000,"percentage":"4.03"},{"name":"月島ホールディングス取引先持株会","value":1148000,"percentage":"2.64"},{"name":"株式会社三菱UFJ銀行","value":944000,"percentage":"2.17"},{"name":"東洋電機製造株式会社","value":880000,"percentage":"2.02"},{"name":"応用地質株式会社","value":872000,"percentage":"2.0"}]
上位10株主の持株比率合計は42.76%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":140121,"percentage":"31.78"},{"name":"その他の法人","value":135052,"percentage":"30.63"},{"name":"金融機関","value":89292,"percentage":"20.24"},{"name":"個人以外","value":0,"percentage":"15.56"},{"name":"金融商品取引業者","value":7883,"percentage":"1.79"},{"name":"個人","value":0,"percentage":"0.0"}]