大株主の所有状況（株式数、持株比率）
[{"name":"積水化学工業株式会社","value":9855000,"percentage":"21.68"},{"name":"日本マスタートラスト信託銀行株式会社（信託口）","value":3644000,"percentage":"8.02"},{"name":"積水化成品従業員持株会","value":2019000,"percentage":"4.44"},{"name":"第一生命保険株式会社（常任代理人 株式会社日本カストディ銀行）","value":1970000,"percentage":"4.33"},{"name":"積水樹脂株式会社","value":1419000,"percentage":"3.12"},{"name":"INTERACTIVE BROKERS LLC（常任代理人 インタラクティブ・ブローカーズ証券株式会社）","value":1405000,"percentage":"3.09"},{"name":"株式会社エフピコ","value":1348000,"percentage":"2.97"},{"name":"株式会社三菱UFJ銀行","value":1327000,"percentage":"2.92"},{"name":"積水化成品取引先持株会","value":1172000,"percentage":"2.58"},{"name":"株式会社日本カストディ銀行（信託口）","value":626000,"percentage":"1.38"}]
上位10株主の持株比率合計は54.53%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":191045,"percentage":"40.69"},{"name":"その他の法人","value":145428,"percentage":"30.97"},{"name":"金融機関","value":87659,"percentage":"18.67"},{"name":"個人以外","value":0,"percentage":"7.95"},{"name":"金融商品取引業者","value":7855,"percentage":"1.67"},{"name":"個人","value":0,"percentage":"0.04"}]