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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 光通信 | 411 5.99% | 514 7.43% | 514 7.61% | 514 7.59% | 514 7.5% | |||||
| 住商セメント | 432 5.61% | 432 5.61% | 432 6.1% | 432 6.26% | 432 6.25% | 432 6.28% | 432 6.24% | 432 6.4% | 432 6.38% | 432 6.3% |
| UH Partners 2 | 247 3.66% | 354 5.23% | 404 5.9% | |||||||
| MUCC商事 | 317 4.68% | 317 4.62% | ||||||||
| INTERACTIVE BROKERS LLC | 306 4.54% | 289 4.26% | 276 4.02% | |||||||
| 明治安田生命保険相互会社 | 253 3.28% | 253 3.28% | 253 3.57% | 253 3.67% | 253 3.66% | 253 3.68% | 253 3.65% | 253 3.74% | 253 3.73% | 253 3.69% |
| 三井住友銀行 | 220 3.11% | 220 3.19% | 220 3.18% | 220 3.2% | 220 3.18% | 220 3.26% | 220 3.25% | 220 3.21% | ||
| 三井住友信託銀行 | 220 3.1% | 220 3.19% | 220 3.18% | 220 3.2% | 220 3.18% | 220 3.25% | 220 3.24% | 220 3.2% | ||
| 日本カストディ銀行 | 164 2.39% | 224 3.24% | 219 3.25% | 216 3.19% | 214 3.12% | |||||
| 樗沢 佐江子 | 213 3.08% | 213 3.15% | 213 3.14% | 213 3.1% | ||||||
| 三菱商事 | 317 4.12% | 317 4.12% | 317 4.47% | 317 4.6% | 317 4.58% | 317 4.61% | 317 4.58% | 317 4.69% | ||
| BNY GCM CLIENT ACCOUNT JPRD AC ISG | 285 4.12% | 252 3.67% | 245 3.54% | |||||||
| 伊藤忠丸紅住商テクノスチール | 200 2.82% | 200 2.9% | 200 2.89% | 200 2.91% | 200 2.89% | |||||
| 樗澤 佐江子 | 213 3% | 213 3.09% | 213 3.08% | 213 3.1% | ||||||
| みずほ銀行 | 331 4.31% | 331 4.31% | 331 4.68% | 221 3.22% | 221 3.21% | |||||
| テノックス従業員持株会 | 302 3.92% | 291 3.78% | 178 2.58% | |||||||
| 小川 恭弘 | 260 3.38% | 230 3.34% | ||||||||
| 福田商事 | 383 4.97% | 384 4.99% | 384 5.42% | 222 3.22% | ||||||
| 太洋基礎工業 | 230 2.98% | 230 2.98% | 230 3.24% | |||||||
| テノックス | 667 8.67% | 647 8.41% | ||||||||
| 樗澤 憲行 | 233 3.03% | 233 3.03% | ||||||||
| 日本トラスティ・サービス信託銀行 | 400 5.2% | |||||||||
| 計 | 3,551 46.15% | 3,381 43.95% | 2,801 39.56% | 2,529 36.7% | 2,540 36.78% | 2,683 39.06% | 2,839 41.06% | 2,943 43.6% | 3,028 44.72% | 3,064 44.7% |