大株主の所有状況（株式数、持株比率）
[{"name":"株式会社Feel","value":3094000,"percentage":"21.75"},{"name":"下平 雄二","value":1587400,"percentage":"11.16"},{"name":"土木管理総合試験所従業員持株会","value":583465,"percentage":"4.1"},{"name":"下平 美奈子","value":444800,"percentage":"3.13"},{"name":"下平 絵里加","value":284000,"percentage":"2.0"},{"name":"下平 真里奈","value":284000,"percentage":"2.0"},{"name":"日本マスタートラスト信託銀行株式会社（信託口）","value":236400,"percentage":"1.66"},{"name":"三菱UFJモルガン・スタンレー証券株式会社","value":224900,"percentage":"1.58"},{"name":"松本土建株式会社","value":190500,"percentage":"1.34"},{"name":"母袋 道也","value":143000,"percentage":"1.01"}]
上位10株主の持株比率合計は49.73%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":99505,"percentage":"69.93"},{"name":"その他の法人","value":34233,"percentage":"24.06"},{"name":"金融商品取引業者","value":4330,"percentage":"3.04"},{"name":"金融機関","value":3143,"percentage":"2.2"},{"name":"個人以外","value":0,"percentage":"0.73"},{"name":"個人","value":0,"percentage":"0.02"}]