大株主の所有状況（株式数、持株比率）
[{"name":"太平洋セメント株式会社","value":2700000,"percentage":"18.04"},{"name":"桑澤商事株式会社","value":1394000,"percentage":"9.32"},{"name":"吉野石膏株式会社","value":802000,"percentage":"5.36"},{"name":"クワザワ従業員持株会","value":354000,"percentage":"2.37"},{"name":"野村信託銀行株式会社","value":352000,"percentage":"2.36"},{"name":"株式会社LIXIL","value":339000,"percentage":"2.27"},{"name":"株式会社北海道銀行","value":324000,"percentage":"2.16"},{"name":"株式会社北洋銀行","value":310000,"percentage":"2.07"},{"name":"第一生命保険株式会社","value":171000,"percentage":"1.15"},{"name":"パナソニックホールディングス株式会社","value":167000,"percentage":"1.12"}]
上位10株主の持株比率合計は46.22%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":77171,"percentage":"46.27"},{"name":"その他の法人","value":71872,"percentage":"43.09"},{"name":"金融機関","value":14478,"percentage":"8.68"},{"name":"個人以外","value":0,"percentage":"1.49"},{"name":"金融商品取引業者","value":671,"percentage":"0.4"},{"name":"個人","value":0,"percentage":"0.07"}]