大株主の所有状況（株式数、持株比率）
[{"name":"豊田合成株式会社","value":1703000,"percentage":28.29},{"name":"芦森工業取引先持株会","value":394000,"percentage":6.55},{"name":"株式会社日本カストディ銀行（信託口）","value":215000,"percentage":3.58},{"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":212000,"percentage":3.53},{"name":"芦森工業従業員持株会","value":164000,"percentage":2.73},{"name":"三協株式会社","value":112000,"percentage":1.86},{"name":"NOMURA PB NOMINEES LIMITED OMNIBUS－MARGIN (CASHPB)（常任代理人 野村證券株式会社）","value":105000,"percentage":1.76},{"name":"棚橋 都","value":87000,"percentage":1.46},{"name":"BNYM SA／NV FOR BNYM FOR BNYM GCM CLIENT ACCTS M ILM FE（常任代理人 株式会社三菱UFJ銀行）","value":75000,"percentage":1.25},{"name":"DFA INTL SMALL CAP VALUE PORTFOLIO（常任代理人 シティバンク、エヌ・エイ東京支店）","value":70000,"percentage":1.17}]
上位10株主の持株比率合計は52.18%です。
所有者別構成（単元数、持株比率）
[{"name":"金融機関","value":3440,"percentage":5.72},{"name":"金融商品取引業者","value":1122,"percentage":1.87},{"name":"その他の法人","value":23028,"percentage":38.3},{"name":"個人以外","value":0,"percentage":14.72},{"name":"個人","value":0,"percentage":0.01},{"name":"個人その他","value":23674,"percentage":39.38}]