大株主の所有状況（株式数、持株比率）
[{"name":"茂森 潔","value":762000,"percentage":"7.58"},{"name":"株式会社麻生","value":687000,"percentage":"6.84"},{"name":"茂森 拓","value":411000,"percentage":"4.09"},{"name":"伊藤忠丸紅住商テクノスチール株式会社","value":400000,"percentage":"3.98"},{"name":"UBE三菱セメント株式会社","value":370000,"percentage":"3.68"},{"name":"株式会社日本カストディ銀行（信託E口）","value":354000,"percentage":"3.52"},{"name":"株式会社南日本銀行","value":240000,"percentage":"2.38"},{"name":"江田 幸雄","value":230000,"percentage":"2.29"},{"name":"共和コンクリート工業株式会社","value":220000,"percentage":"2.18"},{"name":"ヤマックス従業員持株会","value":203000,"percentage":"2.02"}]
上位10株主の持株比率合計は38.56%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":76521,"percentage":"66.13"},{"name":"その他の法人","value":24263,"percentage":"20.97"},{"name":"金融機関","value":11175,"percentage":"9.66"},{"name":"金融商品取引業者","value":2492,"percentage":"2.15"},{"name":"個人以外","value":0,"percentage":"1.0"},{"name":"個人","value":0,"percentage":"0.09"}]