大株主の所有状況（株式数、持株比率）
[{"name":"大塚製薬株式会社","value":2200000,"percentage":"10.1"},{"name":"日本マスタートラスト信託銀行株式会社（信託口）","value":1987000,"percentage":"9.12"},{"name":"株式会社大塚製薬工場","value":1948000,"percentage":"8.94"},{"name":"アース製薬社員持株会","value":1060000,"percentage":"4.86"},{"name":"株式会社日本カストディ銀行（信託口）","value":652000,"percentage":"2.99"},{"name":"大鵬薬品工業株式会社","value":600000,"percentage":"2.75"},{"name":"HSBC BANK PLC A/C M AND G（ACS）(常任代理人香港上海銀行東京支店)","value":410000,"percentage":"1.88"},{"name":"大塚化学株式会社","value":400000,"percentage":"1.83"},{"name":"株式会社中国銀行","value":340000,"percentage":"1.56"},{"name":"大塚エステート株式会社","value":239000,"percentage":"1.09"}]
上位10株主の持株比率合計は45.12%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":94792,"percentage":"42.74"},{"name":"その他の法人","value":62972,"percentage":"28.39"},{"name":"金融機関","value":31139,"percentage":"14.04"},{"name":"個人以外","value":0,"percentage":"13.04"},{"name":"金融商品取引業者","value":3865,"percentage":"1.74"},{"name":"個人","value":0,"percentage":"0.05"}]