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 | 2,117 2.55% | 2,755 3.32% | 3,241 4.38% | 3,250 4.48% | 3,354 4.77% | 4,683 6.66% | 7,976 11.85% | 6,566 9.76% | 7,329 10.89% | 7,172 10.6% |
| 日本生命保険相互会社 | 4,560 5.51% | 4,560 5.51% | 4,560 6.17% | 4,560 6.29% | 4,560 6.49% | 4,560 6.49% | 4,560 6.78% | 4,560 6.78% | 4,560 6.78% | 4,560 6.74% |
| STATE STREET BANK AND TRUST COMPANY | 1,366 1.94% | 1,265 1.8% | 1,328 1.97% | 1,171 1.74% | 3,875 5.73% | |||||
| 第一生命保険 | 4,231 5.11% | 4,231 5.11% | 4,231 5.72% | 4,231 5.84% | 4,231 6.02% | 4,231 6.02% | 4,231 6.29% | 4,231 6.29% | 4,231 6.29% | 3,131 4.62% |
| 日本カストディ銀行 | 2,610 3.71% | 2,072 3.08% | 2,476 3.68% | 2,317 3.44% | 3,059 4.52% | |||||
| 高砂熱学従業員持株会 | 3,665 4.42% | 3,585 4.33% | 3,377 4.57% | 3,207 4.42% | 3,247 4.62% | 3,406 4.85% | 3,377 5.02% | 3,485 5.18% | 3,295 4.9% | 2,842 4.2% |
| 高砂共栄会 | 2,168 2.61% | 2,264 2.73% | 2,334 3.16% | 2,474 3.41% | 2,627 3.74% | 2,742 3.9% | 2,886 4.29% | 2,949 4.38% | 2,894 4.3% | 2,655 3.92% |
| 京王閣 | 1,016 1.4% | 1,016 1.44% | 1,016 1.51% | 1,016 1.51% | 1,016 1.5% | |||||
| MSCO CUSTOMER SECURITIES | 918 1.35% | |||||||||
| みずほ銀行 | 2,177 2.63% | 2,177 2.63% | 2,177 2.94% | 2,177 3% | 1,210 1.72% | 1,210 1.72% | 1,210 1.79% | 1,210 1.79% | 1,210 1.79% | 907 1.34% |
| 三菱UFJ銀行 | 2,346 3.23% | 1,892 2.69% | 1,439 2.04% | 1,439 2.14% | 1,439 2.14% | 1,439 2.14% | ||||
| 三和工業 | 831 1.23% | |||||||||
| GOVERNMENT OF NORWAY | 1,184 1.76% | |||||||||
| 日本トラスティ・サービス信託銀行 | 1,370 1.65% | 1,134 1.37% | 1,023 1.38% | 1,069 1.47% | 3,561 5.07% | |||||
| JP MORGAN CHASE BANK | 1,307 1.86% | |||||||||
| 三菱東京UFJ銀行 | 2,346 2.83% | 2,346 2.83% | 2,346 3.17% | |||||||
| CBNY－GOVERNMENT OF NORWAY | 1,232 1.48% | |||||||||
| CREDIT SUISSE SECURITIES LLC SPCL． FOR EXCL． BEN | 1,260 1.52% | |||||||||
| UBS SECURITIES LLC－HFS CUSTOMER SEGREGATED ACCOUNT | 1,187 1.43% | |||||||||
| 計 | 25,084 30.3% | 26,442 31.94% | 27,724 37.52% | 27,555 38.04% | 27,355 38.92% | 27,166 38.68% | 30,095 44.74% | 29,271 43.5% | 29,126 43.3% | 30,141 44.56% |