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":959000,"percentage":"13.07"},{"name":"株式会社日本カストディ銀行（信託口）","value":540000,"percentage":"7.36"},{"name":"第一生命株式会社","value":381000,"percentage":"5.19"},{"name":"株式会社りそな銀行","value":363000,"percentage":"4.95"},{"name":"中外炉工業関連企業持株会","value":221000,"percentage":"3.01"},{"name":"株式会社錢高組","value":175000,"percentage":"2.38"},{"name":"日本生命保険相互会社","value":142000,"percentage":"1.93"},{"name":"JPモルガン証券株式会社","value":141000,"percentage":"1.92"},{"name":"株式会社みずほ銀行","value":129000,"percentage":"1.76"},{"name":"中外炉工業従業員持株会","value":110000,"percentage":"1.5"}]
上位10株主の持株比率合計は43.07%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":30747,"percentage":"39.7"},{"name":"金融機関","value":29652,"percentage":"38.28"},{"name":"その他の法人","value":11181,"percentage":"14.44"},{"name":"個人以外","value":0,"percentage":"4.75"},{"name":"金融商品取引業者","value":2174,"percentage":"2.81"},{"name":"個人","value":0,"percentage":"0.02"}]