大株主の所有状況（株式数、持株比率）
[{"name":"公益財団法人持田記念医学薬学振興財団","value":5688000,"percentage":"16.05"},{"name":"日本マスタートラスト信託銀行株式会社(信託口)","value":3179000,"percentage":"8.97"},{"name":"公益財団法人高松宮妃癌研究基金","value":1683000,"percentage":"4.75"},{"name":"株式会社三菱UFJ銀行","value":1586000,"percentage":"4.48"},{"name":"みずほ信託銀行株式会社 退職給付信託みずほ銀行口 再信託受託者株式会社日本カストディ銀行","value":1434000,"percentage":"4.05"},{"name":"株式会社ニッスイ","value":1200000,"percentage":"3.39"},{"name":"持田 直幸","value":1071000,"percentage":"3.02"},{"name":"持田 健志","value":949000,"percentage":"2.68"},{"name":"持田 和枝","value":847000,"percentage":"2.39"},{"name":"大正製薬ホールディングス株式会社","value":800000,"percentage":"2.26"}]
上位10株主の持株比率合計は52.04%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":134231,"percentage":"37.0"},{"name":"その他の法人","value":115324,"percentage":"31.79"},{"name":"金融機関","value":79712,"percentage":"21.97"},{"name":"個人以外","value":0,"percentage":"8.53"},{"name":"金融商品取引業者","value":2487,"percentage":"0.69"},{"name":"個人","value":0,"percentage":"0.01"}]