|
（単位：千株）
|
2016/03
|
2017/03
|
2018/03
|
2019/03
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2020/03
|
2021/03
|
2022/03
|
2023/03
|
2024/03
|
2025/03
|
|
SBI証券
|
|
|
|
|
-
|
-
|
3.15%
|
7.14%
|
1.98%
|
5.14%
|
|
岡田民雄
|
|
|
|
|
4.85%
|
4.8%
|
4.8%
|
4.8%
|
4.87%
|
4.87%
|
|
みずほ銀行
|
|
|
|
|
4.8%
|
4.75%
|
4.75%
|
4.75%
|
4.83%
|
4.83%
|
|
柏屋商事
|
|
|
|
|
4.06%
|
4.02%
|
4.02%
|
4.02%
|
4.08%
|
4.08%
|
|
美濃窯業
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
3.44%
|
|
野村證券
|
|
|
|
|
-
|
-
|
-
|
-
|
2.14%
|
3.36%
|
|
野村信託銀行
|
|
|
|
|
3.19%
|
3.16%
|
3.16%
|
3.16%
|
3.21%
|
3.21%
|
|
野間一
|
|
|
|
|
3.1%
|
3.07%
|
3.08%
|
3.07%
|
3.12%
|
3.12%
|
|
日本坩堝従業員持株会
|
|
|
|
|
3.24%
|
3.22%
|
3.21%
|
3.19%
|
3.24%
|
3.12%
|
|
日本精鉱
|
|
|
|
|
1.87%
|
1.86%
|
1.86%
|
1.86%
|
1.88%
|
1.88%
|
|
上田八木短資
|
|
|
|
|
4.66%
|
4.02%
|
3.66%
|
-
|
3.71%
|
-
|
|
東京海上日動火災保険
|
|
|
|
|
2.07%
|
2.05%
|
2.05%
|
1.97%
|
-
|
-
|
|
三井住友海上火災保険
|
|
|
|
|
1.76%
|
-
|
-
|
1.74%
|
-
|
-
|
|
三菱UFJモルガン・スタンレー証券
|
|
|
|
|
-
|
1.83%
|
-
|
-
|
-
|
-
|
|
ヒューリック
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
日本坩堝
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
川島治男
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
岡元富男
|
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
|
計
|
|
|
|
|
33.65%
|
32.82%
|
33.78%
|
35.75%
|
33.11%
|
37.1%
|