大株主の所有状況（株式数、持株比率）
[{"name":"三井物産スチール株式会社","value":492000,"percentage":"13.77"},{"name":"住友生命保険相互会社","value":214000,"percentage":"5.99"},{"name":"明治安田生命保険相互会社","value":183000,"percentage":"5.12"},{"name":"日本製鉄株式会社","value":165000,"percentage":"4.63"},{"name":"大樹生命保険株式会社","value":165000,"percentage":"4.61"},{"name":"株式会社みずほ銀行","value":113000,"percentage":"3.18"},{"name":"日本生命保険相互会社","value":105000,"percentage":"2.96"},{"name":"丸藤ビル株式会社","value":104000,"percentage":"2.91"},{"name":"丸藤シートパイル取引先持株会","value":64000,"percentage":"1.8"},{"name":"志村 久男","value":56000,"percentage":"1.59"}]
上位10株主の持株比率合計は46.56%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":16081,"percentage":"40.4"},{"name":"その他の法人","value":11050,"percentage":"27.76"},{"name":"金融機関","value":9531,"percentage":"23.94"},{"name":"個人以外","value":0,"percentage":"4.78"},{"name":"金融商品取引業者","value":1233,"percentage":"3.1"},{"name":"個人","value":0,"percentage":"0.02"}]