大株主
| （単位：千株） | 2016/03 | 2017/03 | 2018/03 | 2019/03 | 2020/03 | 2021/03 | 2022/03 | 2023/03 | 2024/03 | 2025/03 |
|---|---|---|---|---|---|---|---|---|---|---|
| 日本マスタートラスト 信託銀行 | 183 2.02% | 173 2.15% | 279 3.46% | 193 2.4% | 688 8.53% | 5,400 16.73% | 3,324 10.3% | 5,174 16.03% | 3,465 10.91% | |
| 一般財団法人長谷川福祉会 | 3,000 6.63% | 600 6.63% | 600 7.43% | 600 7.43% | 600 7.43% | 600 7.43% | 2,400 7.44% | 2,400 7.44% | 2,400 7.44% | 2,400 7.55% |
| 日本カストディ銀行 | 373 4.63% | 1,536 4.76% | 1,090 3.38% | 1,559 4.83% | 1,088 3.43% | |||||
| 三菱UFJ銀行 | 248 3.07% | 248 3.07% | 248 3.07% | 992 3.07% | 992 3.07% | 992 3.07% | 992 3.12% | |||
| 常陽銀行 | 1,224 2.71% | 244 2.71% | 244 3.03% | 244 3.03% | 244 3.03% | 244 3.03% | 979 3.03% | 979 3.03% | 979 3.03% | 979 3.08% |
| 長谷川宗平 | 1,217 2.69% | 243 2.69% | 243 3.02% | 243 3.02% | 243 3.02% | 243 3.02% | 973 3.02% | 973 3.02% | 973 3.02% | 973 3.06% |
| 大真空社員持株会 | 1,085 2.4% | 218 2.41% | 222 2.75% | 221 2.74% | 225 2.79% | 206 2.56% | 797 2.47% | 803 2.49% | 821 2.54% | 800 2.52% |
| 長谷川 | 800 1.77% | 160 1.98% | 160 1.98% | 640 1.98% | 640 1.98% | 640 1.98% | 640 2.01% | |||
| 第一生命保険 | 1,016 2.25% | 203 2.25% | 203 2.52% | 203 2.52% | 203 2.52% | 203 2.52% | 812 2.52% | 569 1.76% | 569 1.76% | 569 1.79% |
| 日本生命保険相互会社 | 633 1.4% | 507 1.57% | 507 1.57% | 507 1.6% | ||||||
| 大真空取引先持株会 | 834 1.84% | 171 1.9% | 173 2.15% | 177 2.2% | 753 2.33% | |||||
| BNYM SA／NV FOR BNYM FOR BNYM GCM CLIENT ACCTS M ILM FE | 197 2.45% | |||||||||
| 日本トラスティ・サービス信託銀行 | 663 1.47% | 169 1.87% | 206 2.56% | 501 6.21% | ||||||
| BNYM SA／NV FOR BNYM FOR BNY GCM CLIENT ACCOUNTS M LSCB RD | 249 3.09% | |||||||||
| クレディ・スイス証券 | 245 3.04% | |||||||||
| DFA INTL SMALL CAP VALUE PORTFOLIO | 162 1.8% | 167 2.08% | ||||||||
| 三菱東京UFJ銀行 | 1,240 2.74% | 248 2.74% | 248 3.07% | |||||||
| 計 | 11,713 25.89% | 2,444 27.02% | 2,476 30.67% | 2,544 31.52% | 2,954 36.6% | 3,528 43.72% | 15,286 47.36% | 12,279 38.04% | 14,616 45.29% | 12,416 39.07% |