大株主
| （単位：千株） | 2016/02 | 2017/02 | 2018/02 | 2019/02 | 2020/02 | 2021/02 | 2022/02 | 2023/02 | 2024/02 | 2025/02 |
|---|---|---|---|---|---|---|---|---|---|---|
| 岡谷鋼機 | 25,000 45.62% | 25,000 45.62% | 25,000 45.62% | 25,000 45.65% | 25,000 45.65% | 25,000 45.65% | 25,000 45.65% | 25,000 45.65% | 25,000 45.65% | 25,000 45.65% |
| タンガロイ | 3,094 5.64% | 3,094 5.64% | 3,094 5.64% | 3,094 5.65% | 3,094 5.65% | 3,094 5.65% | 3,094 5.65% | 3,094 5.65% | 2,824 5.15% | 2,824 5.15% |
| ユニオンツール | 3,090 5.64% | 3,090 5.64% | 3,090 5.64% | 3,090 5.64% | 3,090 5.64% | 3,090 5.64% | 3,090 5.64% | 3,090 5.64% | 2,820 5.15% | 2,820 5.15% |
| NaITO取引先持株会 | 1,520 2.77% | 1,631 2.97% | 1,621 2.95% | 1,574 2.87% | 1,676 3.06% | 1,807 3.3% | 1,881 3.43% | 1,985 3.62% | 2,112 3.85% | 2,214 4.04% |
| 京セラ | 3,080 5.62% | 3,080 5.62% | 3,080 5.62% | 3,080 5.62% | 3,080 5.62% | 3,080 5.62% | 3,080 5.62% | 3,080 5.62% | 2,080 3.79% | 2,080 3.79% |
| 不二越 | 1,568 2.86% | 1,568 2.86% | 1,568 2.86% | 1,568 2.86% | 1,568 2.86% | 1,568 2.86% | 1,568 2.86% | 1,568 2.86% | 1,433 2.61% | 1,433 2.61% |
| 日東工器 | 1,541 2.81% | 1,541 2.81% | 1,541 2.81% | 1,541 2.81% | 1,541 2.81% | 1,541 2.81% | 1,541 2.81% | 1,541 2.81% | 1,406 2.56% | 1,406 2.56% |
| BIG DAISHOWA | 1,540 2.81% | 1,540 2.81% | 1,540 2.81% | 1,540 2.81% | 1,540 2.81% | 1,540 2.81% | 1,540 2.81% | 1,405 2.56% | 1,405 2.56% | |
| SMC | 1,547 2.82% | 1,547 2.82% | 1,547 2.82% | 1,547 2.82% | 1,547 2.82% | 1,547 2.82% | 1,547 2.82% | 1,547 2.82% | 1,412 2.57% | 1,073 1.96% |
| 楽天証券 | 943 1.72% | |||||||||
| 彌満和製作所 | 774 1.41% | 714 1.3% | ||||||||
| MOLDINO | 3,108 5.67% | 3,108 5.67% | ||||||||
| 三菱日立ツール | 3,108 5.67% | 3,108 5.67% | 3,108 5.67% | 3,108 5.67% | 3,108 5.67% | |||||
| 大昭和精機 | 1,540 2.81% | |||||||||
| 計 | 45,093 82.3% | 45,203 82.5% | 45,193 82.48% | 45,147 82.44% | 45,244 82.62% | 45,375 82.83% | 45,453 83% | 43,223 78.93% | 41,210 75.19% | 41,203 75.24% |