大株主の所有状況（株式数、持株比率）
[{"name":"浜松ホトニクス株式会社","value":1000000,"percentage":"14.11"},{"name":"シグマ光機取引先持株会","value":492000,"percentage":"6.95"},{"name":"光通信株式会社","value":338000,"percentage":"4.78"},{"name":"株式会社ツシマ","value":228000,"percentage":"3.23"},{"name":"シグマ光機従業員持株会","value":203000,"percentage":"2.87"},{"name":"富国生命保険相互会社(常任代理人 株式会社日本カストディ銀行）","value":200000,"percentage":"2.82"},{"name":"株式会社埼玉りそな銀行","value":178000,"percentage":"2.51"},{"name":"株式会社サンライズクリエート","value":148000,"percentage":"2.09"},{"name":"杉山 大樹","value":110000,"percentage":"1.56"},{"name":"株式会社三井住友銀行","value":110000,"percentage":"1.55"}]
上位10株主の持株比率合計は42.47%です。
所有者別構成（単元数、持株比率）
[{"name":"個人その他","value":43989,"percentage":"58.31"},{"name":"その他の法人","value":19320,"percentage":"25.61"},{"name":"金融機関","value":7824,"percentage":"10.37"},{"name":"個人以外","value":0,"percentage":"2.91"},{"name":"金融商品取引業者","value":2070,"percentage":"2.74"},{"name":"個人","value":0,"percentage":"0.04"}]