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 | 2,304 2.78% | 2,733 3.3% | 3,649 4.45% | 4,172 5.09% | 4,934 6.01% | 5,388 6.56% | 8,682 10.56% | 10,836 13.18% | 9,422 11.45% | 11,385 13.83% |
| 日本カストディ銀行 | 1,635 1.99% | 1,224 1.49% | 3,400 4.13% | 3,367 4.09% | 4,263 5.18% | |||||
| タムラ協力企業持株会 | 3,391 4.09% | 3,430 4.14% | 3,497 4.26% | 3,429 4.18% | 3,524 4.29% | 3,628 4.41% | 3,474 4.22% | 3,560 4.33% | 3,656 4.44% | 3,416 4.15% |
| 三井住友銀行 | 3,200 3.86% | 3,200 3.86% | 3,200 3.9% | 3,200 3.9% | 3,200 3.9% | 3,200 3.89% | 3,200 3.89% | 3,200 3.89% | 3,200 3.89% | 3,200 3.88% |
| みずほ銀行 | 2,799 3.38% | 2,799 3.38% | 2,799 3.41% | 2,799 3.41% | 2,799 3.41% | 1,999 2.43% | 1,999 2.43% | 1,999 2.43% | 1,999 2.43% | 1,999 2.42% |
| タムラ製作所従業員持株会 | 1,128 1.37% | 1,178 1.43% | 1,238 1.5% | 1,226 1.49% | ||||||
| タムラ開発 | 1,161 1.41% | 1,161 1.41% | ||||||||
| JP MORGAN CHASE BANK 385781 株式会社みずほ銀行決済営業部 | 1,075 1.3% | |||||||||
| 住友生命保険相互会社 | 1,018 1.23% | 1,018 1.23% | 1,018 1.23% | |||||||
| 日本生命保険相互会社 | 1,000 1.21% | 1,000 1.21% | ||||||||
| りそな銀行 | 1,911 2.3% | 1,911 2.3% | 1,911 2.33% | 1,911 2.33% | 1,911 2.33% | 1,911 2.32% | 1,911 2.32% | 1,911 2.32% | 955 1.16% | |
| 三井住友信託銀行 | 1,412 1.7% | 1,412 1.71% | 1,412 1.71% | |||||||
| 田村 直樹 | 1,065 1.29% | 1,146 1.39% | ||||||||
| STATE STREET BANK AND TRUST COMPANY | 1,626 1.98% | 1,719 2.1% | 2,037 2.48% | 1,910 2.32% | 1,863 2.26% | |||||
| GOVERNMENT OF NORWAY | 3,960 4.78% | 3,187 3.88% | 3,645 4.44% | 4,054 4.93% | ||||||
| BNP PARIBAS SECURITIES SERVICES LUXEMBOURG/JASDEC/ FIM/LUXEMBOURG FUNDS/UCITS ASSETS | 1,930 2.33% | 2,450 2.98% | 2,140 2.61% | 2,070 2.52% | 1,850 2.25% | |||||
| 日本トラスティ・サービス 信託銀行 | 2,032 2.45% | 1,417 1.71% | 1,471 1.79% | 2,703 3.3% | 7,068 8.61% | |||||
| 日本トラスティ・サービス信託銀行 | 2,463 3% | |||||||||
| 資産管理サービス 信託銀行 | 1,845 2.25% | |||||||||
| DFA INTL SMALL CAP VALUE PORTFOLIO | 1,504 1.81% | |||||||||
| CBNY-GOVERNMENT OF NORWAY | 2,680 3.23% | |||||||||
| CBNY DFA INTL SMALL CAP VALUE PORTFOLIO | 1,561 1.88% | |||||||||
| 三井住友海上火災保険 | 1,266 1.52% | |||||||||
| 計 | 22,558 27.25% | 25,592 30.91% | 28,059 34.22% | 33,204 40.47% | 33,655 41% | 28,730 34.98% | 25,961 31.6% | 29,663 36.1% | 27,020 32.85% | 29,748 36.14% |