大株主の所有状況（株式数、持株比率）
[{"name":"株式会社メディパルホールディングス","value":7582800,"percentage":20.11},{"name":"日本マスタートラスト信託銀行株式会社（信託口）","value":3138900,"percentage":8.32},{"name":"クオールグループ従業員持株会","value":1790894,"percentage":4.75},{"name":"中村 敬","value":1641900,"percentage":4.35},{"name":"MSIP CLIENT SECURITIES（常任代理人 モルガン・スタンレーMUFG証券株式会社）","value":1330800,"percentage":3.52},{"name":"第一三共株式会社","value":1304000,"percentage":3.45},{"name":"高橋 新","value":1121500,"percentage":2.97},{"name":"株式会社メディパル保険サービス","value":1104000,"percentage":2.92},{"name":"UBS AG SINGAPORE－CLIENT ACCOUNT JSAT（常任代理人 シティバンク、エヌ・エイ東京支店）","value":861200,"percentage":2.28},{"name":"株式会社日本カストディ銀行（信託口）","value":803900,"percentage":2.13}]
上位10株主の持株比率合計は54.8%です。
所有者別構成（単元数、持株比率）
[{"name":"金融機関","value":43307,"percentage":11.14},{"name":"金融商品取引業者","value":4674,"percentage":1.2},{"name":"その他の法人","value":113741,"percentage":29.27},{"name":"個人以外","value":0,"percentage":24.3},{"name":"個人","value":0,"percentage":0.04},{"name":"個人その他","value":132354,"percentage":34.05}]