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 | 2026/03 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 東日本旅客鉄道 | 1,580 7.57% | 1,580 7.57% | 1,580 7.67% | 1,580 7.69% | 1,580 7.72% | 1,580 7.74% | 1,580 7.78% | 3,632 18.54% | 3,632 18.66% | 3,632 19.35% | 3,632 20.52% |
| 旭調査設計 | 1,434 6.87% | 1,434 6.87% | 1,434 6.96% | 1,434 6.98% | 1,434 7% | 1,434 7.02% | 1,434 7.06% | 1,434 7.32% | 1,434 7.37% | 1,434 7.64% | 1,434 8.1% |
| 第一建設工業社員持株会 | 1,185 5.68% | 1,261 6.04% | 1,276 6.19% | 1,281 6.23% | 1,313 6.41% | 1,294 6.34% | 1,277 6.28% | 1,339 6.83% | 1,367 7.02% | 1,391 7.41% | 1,371 7.74% |
| 東鉄工業 | 511 2.45% | 511 2.45% | 511 2.48% | 511 2.49% | 511 2.5% | 511 2.5% | 511 2.51% | 511 2.61% | 511 2.62% | 511 2.72% | 511 2.89% |
| 第一建設工業互助会 | 463 2.22% | 463 2.22% | 463 2.25% | 463 2.25% | 463 2.26% | 463 2.27% | 463 2.28% | 463 2.36% | 463 2.38% | 463 2.46% | 463 2.61% |
| THE HONGKONG AND SHANGHAI BANKING CORPORATION LIMITED - HONG KONG PRIVATE BANKING DIVISION CLIENT A/C 8028-394841 | 441 2.35% | 441 2.49% | |||||||||
| 名工建設 | 437 2.09% | 437 2.09% | 437 2.12% | 437 2.12% | 437 2.13% | 437 2.23% | 437 2.24% | 437 2.32% | 437 2.46% | ||
| 共栄火災海上保険 | 391 2.21% | ||||||||||
| 天龍製鋸 | 337 1.9% | ||||||||||
| 仙建工業 | 335 1.89% | ||||||||||
| ビービーエイチ フォー フィデリティ ロー プライス ストック ファンド | 879 4.68% | ||||||||||
| 第四北越銀行 | 1,016 4.97% | 1,000 4.92% | 750 3.82% | 750 3.85% | 467 2.49% | ||||||
| 北陸銀行 | 982 4.7% | 982 4.7% | 982 4.77% | 982 4.78% | 982 4.79% | 982 4.81% | 982 4.83% | 732 3.73% | 732 3.76% | 449 2.39% | |
| ビービーエイチ フォー フィデリティ ロー プライスド ストック ファンド | 1,879 9% | 1,855 8.89% | 1,740 8.45% | 1,721 8.38% | 1,698 8.29% | 1,694 8.3% | 1,516 7.46% | 995 5.08% | 982 5.04% | ||
| THE HONGKONG AND SHANGHAI BANKING CORPORATION LTD - SINGAPORE BRANCH PRIVATE BANKING DIVISION CLIENT A/C 8221-563114 | 456 2.23% | 456 2.24% | 456 2.32% | 456 2.34% | |||||||
| 秋田銀行 | 615 2.95% | 615 2.95% | 615 2.99% | 615 2.99% | 615 3% | 615 3.01% | 615 3.03% | ||||
| 第四銀行 | 1,016 4.87% | 1,016 4.87% | 1,016 4.93% | 1,016 4.95% | 1,016 4.96% | ||||||
| 計 | 10,106 48.45% | 10,159 48.7% | 10,058 48.85% | 10,043 48.92% | 10,054 49.11% | 10,049 49.23% | 9,838 48.43% | 10,752 54.89% | 10,768 55.32% | 10,109 53.86% | 9,356 52.85% |