大株主の所有状況（株式数、持株比率）
[{"name":"富士電機株式会社","value":9100000,"percentage":"20.85"},{"name":"日本碍子株式会社","value":8620000,"percentage":"19.75"},{"name":"日本マスタートラスト信託銀行株式会社（信託口）","value":4494000,"percentage":"10.3"},{"name":"JP MORGAN CHASE BANK 385632[常任代理人 株式会社みずほ銀行決済営業部]","value":2336000,"percentage":"5.35"},{"name":"株式会社日本カストディ銀行（信託口）","value":1977000,"percentage":"4.53"},{"name":"光通信株式会社","value":1526000,"percentage":"3.5"},{"name":"メタウォータ―グループ従業員持株会","value":913000,"percentage":"2.09"},{"name":"NORTHERN TRUST CO. (AVFC) RE THE HIGHLERE INTERNATIONAL INVESTORS SMALLER COMPANIES FUND[常任代理人 香港上海銀行東京支店 カストディ業務部]","value":562000,"percentage":"1.29"},{"name":"J.P. MORGAN BANK LUXEMBOURG S.A. 385598[常任代理人 株式会社みずほ銀行決済営業部]","value":542000,"percentage":"1.24"},{"name":"STATE STREET BANK AND TRUST COMPANY 505001 [常任代理人 株式会社みずほ銀行決済営業部]","value":503000,"percentage":"1.15"}]
上位10株主の持株比率合計は70.05%です。
所有者別構成（単元数、持株比率）
[{"name":"その他の法人","value":198293,"percentage":"44.84"},{"name":"個人以外","value":0,"percentage":"24.99"},{"name":"金融機関","value":70858,"percentage":"16.02"},{"name":"個人その他","value":54687,"percentage":"12.37"},{"name":"金融商品取引業者","value":7770,"percentage":"1.76"},{"name":"個人","value":0,"percentage":"0.03"}]