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 | 1,953 2.08% | 2,473 2.98% | 3,208 3.87% | 4,375 5.28% | 4,918 5.99% | 9,449 11.8% | 9,182 11.5% | 8,670 10.85% | 8,114 10.48% | |
| ヨシムラホールディングス | 4,200 4.47% | 4,200 4.47% | 4,200 5.06% | 4,200 5.06% | 4,700 5.67% | 4,700 5.73% | 4,700 5.87% | 4,700 5.88% | 4,700 5.88% | 4,700 6.07% |
| 日本カストディ銀行 | 3,003 3.66% | 3,003 3.75% | 3,003 3.76% | 3,003 3.76% | 3,003 3.87% | |||||
| 三井住友銀行 | 3,900 4.15% | 3,900 4.15% | 3,900 4.7% | 3,900 4.7% | 3,900 4.7% | 3,900 4.75% | 3,900 4.87% | 3,900 4.88% | 3,900 4.88% | 3,900 5.03% |
| 三菱UFJ銀行 | 3,886 4.69% | 3,886 4.69% | 3,886 4.73% | 3,886 4.85% | 3,886 4.86% | 3,304 4.13% | 3,304 4.26% | |||
| STATE STREET BANK AND TRUST COMPANY | 3,130 4.04% | |||||||||
| CHINA STEEL CORPORATION | 2,000 2.41% | 2,000 2.41% | 2,000 2.41% | 2,000 2.43% | 2,000 2.49% | 2,000 2.5% | 2,000 2.5% | 2,000 2.58% | ||
| NORTHERN TRUST CO.RE SILCHESTERINTERNATIONAL INVESTORS INTERNATIONAL VALUE EQUITY TRUST | 1,934 2.42% | 1,929 2.49% | ||||||||
| 丸一鋼管共栄持株会 | 1,538 1.87% | 1,529 1.91% | 1,578 1.97% | 1,580 1.97% | 1,627 2.1% | |||||
| SSBTC CLIENT OMNIBUS ACCOUNT | 1,433 1.74% | 1,687 2.1% | 1,690 2.11% | 1,758 2.2% | ||||||
| NORTHERN TRUST CO.RE SILCHESTER INTERNATIONAL INVESTORS INTERNATIONAL VALUE EQUITY TRUST | 2,399 2.92% | 2,321 2.9% | 2,743 3.43% | |||||||
| 日本トラスティ・サービス信託銀行 | 2,814 2.99% | 3,003 3.19% | 3,003 3.62% | 3,003 3.62% | 3,003 3.62% | |||||
| JFEスチール | 4,337 4.61% | 2,602 2.77% | 2,602 3.14% | 2,602 3.14% | 2,602 3.14% | |||||
| NORTHERN TRUST CO.RE THE KILTEARN GLOBAL EQUITY FUND | 1,924 2.32% | |||||||||
| 堀 川 金 子 | 1,599 1.7% | 1,599 1.93% | 1,599 1.93% | |||||||
| 吉 村 精 仁 | 2,496 2.66% | 2,496 2.66% | 2,496 3.01% | 2,496 3.01% | ||||||
| 三菱東京UFJ銀行 | 3,886 4.13% | 3,886 4.13% | 3,886 4.69% | |||||||
| NORTHERN TRUST CO. RE SILCHESTER INTERNATIONAL INVESTORS INTERNATIONAL VALUE EQUITY TRUST | 2,525 2.69% | 1,838 1.96% | 2,470 2.98% | |||||||
| CBHK-CHINA STEEL CORPORATION | 2,000 2.13% | 2,000 2.13% | ||||||||
| 計 | 30,762 32.73% | 29,279 31.15% | 30,475 36.78% | 30,835 37.22% | 31,881 38.48% | 31,536 38.45% | 36,298 45.34% | 35,809 44.87% | 34,702 43.45% | 36,082 46.6% |