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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 成和 | 5,633 39.45% | 5,633 39.45% | 5,633 39.7% | 5,572 39.27% | 5,633 39.57% | 5,633 39.57% | 5,633 39.57% | 5,633 39.57% | 5,633 39.57% | 5,633 39.57% |
| 三田商店 | 1,027 7.19% | 1,027 7.19% | 1,027 7.24% | 1,027 7.24% | 1,027 7.22% | 1,027 7.22% | 1,027 7.22% | 1,027 7.22% | 1,027 7.22% | 1,027 7.22% |
| GM INVESTMENTS | 300 2.11% | 300 2.11% | 300 2.11% | 300 2.11% | 300 2.11% | 300 2.11% | 300 2.11% | 300 2.11% | ||
| 日本ギア取引先持株会 | 499 3.49% | 516 3.61% | 431 3.03% | 449 3.17% | 419 2.95% | 405 2.85% | 427 3% | 304 2.14% | 289 2.03% | 297 2.09% |
| 古屋 雅章 | 280 2% | |||||||||
| 千代田組 | 210 1.47% | 210 1.47% | 210 1.47% | 210 1.47% | 210 1.47% | 210 1.47% | 210 1.47% | 210 1.47% | 210 1.47% | 210 1.48% |
| THE BANK OF NEW YORK MELLOW | 206 1.45% | 198 1.39% | ||||||||
| SBI証券 | 137 0.96% | 173 1.22% | 196 1.38% | |||||||
| 石森 美智子 | 158 1.11% | |||||||||
| BNYM SA/NV FOR BNYM GCM CLIENT ACCTS MILM FE | 353 2.48% | |||||||||
| 日本マスタートラスト信託銀行 | 201 1.41% | 496 3.49% | 748 5.26% | 485 3.41% | 277 1.95% | |||||
| 日本証券金融 | 209 1.47% | |||||||||
| 正法工業 | 157 1.1% | 157 1.1% | 157 1.11% | 157 1.11% | 157 1.11% | 157 1.11% | ||||
| STATE STREET BANK TRUST COMPANY | 125 0.88% | |||||||||
| 日伝 | 123 0.86% | 123 0.86% | 123 0.86% | 123 0.86% | 123 0.86% | 123 0.86% | ||||
| 日本カストディ銀行 | 184 1.29% | 171 1.2% | ||||||||
| 三菱UFJモルガン・スタンレー 証券 | 140 0.98% | 125 0.88% | ||||||||
| 日本トラスティ・サービス信託銀行 | 111 0.78% | |||||||||
| 日本ギア工業社員持株会 | 112 0.79% | 109 0.77% | ||||||||
| 岡野バルブ製造 | 100 0.7% | 100 0.7% | ||||||||
| 寺田 治夫 | 53 0.37% | |||||||||
| CHASE MANHATTAN BANK GTS CLIENTS ACCOUNT ESCROW | 59 0.41% | |||||||||
| 丸 本 桂 三 | 1,455 10.18% | 1,455 10.18% | ||||||||
| サンワテクノス | 306 2.14% | 306 2.14% | ||||||||
| GMINVESTMENTS | 300 2.1% | 300 2.1% | ||||||||
| 損害保険ジャパン日本興亜 | 298 2.08% | 298 2.08% | ||||||||
| 中 西 健 夫 | 252 1.76% | |||||||||
| 富士通 | 210 1.47% | 210 1.47% | ||||||||
| 阪 田 和 弘 | 306 2.14% | |||||||||
| 計 | 10,245 71.74% | 10,210 71.5% | 8,154 57.46% | 8,103 57.1% | 8,298 58.28% | 8,677 60.95% | 8,924 62.68% | 8,504 59.73% | 8,679 60.96% | 8,504 59.74% |