|
（単位：千株）
|
2016/03
|
2017/03
|
2018/03
|
2019/03
|
2020/03
|
2021/03
|
2022/03
|
2023/03
|
2024/03
|
2025/03
|
|
東洋商事
|
|
|
|
|
28.38%
|
28.38%
|
28.38%
|
28.38%
|
28.38%
|
28.38%
|
|
ビケンテクノ取引先持株会
|
|
|
|
|
9.51%
|
10.12%
|
10.8%
|
11.42%
|
11.81%
|
12.35%
|
|
公益財団法人梶山高志・ビケンテクノ奨学財団
|
|
|
|
|
7.12%
|
7.12%
|
7.12%
|
7.12%
|
7.12%
|
7.12%
|
|
梶山龍誠
|
|
|
|
|
3.05%
|
3.05%
|
3.05%
|
3.05%
|
3.05%
|
3.05%
|
|
梶山孝清
|
|
|
|
|
3.01%
|
3.01%
|
3.01%
|
3.01%
|
3.01%
|
3.01%
|
|
内藤征吾
|
|
|
|
|
1.09%
|
2.75%
|
-
|
3.05%
|
3.05%
|
2.99%
|
|
ビケンテクノ社員持株会
|
|
|
|
|
2.96%
|
2.86%
|
2.48%
|
2.4%
|
2.24%
|
2.19%
|
|
アース環境サービス
|
|
|
|
|
1.98%
|
1.98%
|
1.98%
|
1.98%
|
1.98%
|
1.98%
|
|
上田八木短資
|
|
|
|
|
-
|
1.67%
|
2.74%
|
-
|
-
|
1.97%
|
|
三菱UFJ銀行
|
|
|
|
|
1.29%
|
-
|
-
|
-
|
-
|
1.29%
|
|
SBI証券
|
|
|
|
|
-
|
-
|
-
|
2.32%
|
2.39%
|
-
|
|
吉田知広
|
|
|
|
|
-
|
-
|
-
|
-
|
1.94%
|
-
|
|
岡田洋祐
|
|
|
|
|
1.39%
|
1.39%
|
1.39%
|
1.39%
|
-
|
-
|
|
三菱UFJモルガン・スタンレー証券
|
|
|
|
|
-
|
-
|
1.98%
|
-
|
-
|
-
|
|
MSIP CLIENT SECURITIES
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
三菱東京UFJ銀行
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
MSCO CUSTOMER SECURITIES
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
サンリツメンテ
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
環境科学
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
ビケンテクノ
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
計
|
|
|
|
|
59.84%
|
62.38%
|
62.99%
|
64.19%
|
65.02%
|
64.39%
|