|
（単位：千株）
|
2016/03
|
2017/03
|
2018/03
|
2019/03
|
2020/03
|
2021/03
|
2022/03
|
2023/03
|
2024/03
|
2025/03
|
|
油研協力会持株会
|
|
|
|
|
4.11%
|
4.33%
|
4.67%
|
4.97%
|
5.48%
|
5.66%
|
|
みずほ銀行
|
|
|
|
|
4.76%
|
4.76%
|
4.76%
|
4.85%
|
4.77%
|
4.89%
|
|
第一生命保険
|
|
|
|
|
4.98%
|
4.98%
|
4.98%
|
5.07%
|
5.26%
|
4.49%
|
|
三井住友銀行
|
|
|
|
|
4.03%
|
4.03%
|
4.03%
|
4.1%
|
4.26%
|
4.36%
|
|
三菱UFJ銀行
|
|
|
|
|
4.01%
|
4.01%
|
4.01%
|
4.08%
|
4.23%
|
4.34%
|
|
DEUTSCHE BANK AG FRANKFURTCC CLT OMNI
|
|
|
|
|
-
|
-
|
-
|
3.35%
|
3.47%
|
3.56%
|
|
油研販売店持株会
|
|
|
|
|
4.62%
|
4.81%
|
4.5%
|
3.47%
|
3.87%
|
3.43%
|
|
酒井重工業
|
|
|
|
|
2%
|
2%
|
2%
|
2.04%
|
2.12%
|
2.17%
|
|
油研工業従業員持株会
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
1.11%
|
|
新東工業
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
0.92%
|
|
日本マスタートラスト信託銀行
|
|
|
|
|
4.06%
|
5.19%
|
9.47%
|
6.7%
|
3.97%
|
-
|
|
日本カストディ銀行
|
|
|
|
|
-
|
2.52%
|
2.56%
|
1.61%
|
1.13%
|
-
|
|
DEUTSCHE BANK AG, FRANKFURT-DOMESTIC CUSTODY SERVICES
|
|
|
|
|
3.29%
|
3.29%
|
3.29%
|
-
|
-
|
-
|
|
日本トラスティ・サービス信託銀行
|
|
|
|
|
2.25%
|
-
|
-
|
-
|
-
|
-
|
|
三菱東京UFJ銀行
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
油研工業
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
DEUTSCHE BANK AG, FRANKFURT
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
計
|
|
|
|
|
38.14%
|
39.94%
|
44.31%
|
40.28%
|
38.56%
|
34.95%
|