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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 公益財団法人市村清新技術財団 | 8,282 11.87% | 8,282 11.87% | 8,282 12.01% | 8,282 12.05% | 8,282 12.37% | 8,282 12.88% | 8,282 13.29% | |||
| 日本マスタートラスト信託銀行 | 2,045 2.93% | 2,460 3.53% | 3,176 4.6% | 6,414 9.33% | 7,218 10.78% | 6,675 10.38% | 7,840 12.58% | |||
| 日本カストディ銀行 | 2,749 3.99% | 1,644 2.39% | 1,570 2.35% | 1,667 2.59% | 1,885 3.03% | |||||
| NORTHERN TRUST CO． RE FIDELITY FUNDS | 5,550 7.96% | 5,307 7.69% | 5,903 8.59% | 4,363 6.52% | 3,488 5.42% | 3,559 5.71% | ||||
| 光通信 | 1,444 2.1% | 1,720 2.57% | 1,768 2.75% | 1,854 2.98% | ||||||
| STATE STREET BANK AND TRUST COMPANY | 1,801 2.54% | 1,984 2.79% | 2,193 3.12% | 1,224 1.96% | ||||||
| 1,113 1.79% | ||||||||||
| THE NOMURA TRUST AND BANKING CO．， LTD． AS THE TRUSTEE of REPURCHASE AG FUND 2024 - 09 | 1,100 1.77% | |||||||||
| 三愛オブリ持株会 | 1,032 1.66% | |||||||||
| JP MORGAN CHASE BANK | 2,309 3.35% | 3,148 4.58% | 3,122 4.66% | 2,881 4.48% | ||||||
| 野村 幸弘 | 2,059 3.08% | 2,059 3.2% | ||||||||
| ENEOSホールディングス | 2,082 3.03% | 1,967 2.94% | 1,967 3.06% | |||||||
| 損害保険ジャパン | 1,501 2.18% | 1,501 2.33% | ||||||||
| リコー | 3,362 4.74% | 3,362 4.74% | 3,362 4.78% | 3,362 4.82% | 3,362 4.82% | 3,362 4.87% | ||||
| みずほ銀行 | 2,233 3.15% | 2,233 3.15% | 2,233 3.18% | 2,233 3.2% | 2,233 3.2% | 2,233 3.24% | ||||
| 三井住友銀行 | 2,203 3.1% | 2,203 3.1% | 2,203 3.13% | 2,203 3.16% | 2,203 3.16% | 2,203 3.19% | ||||
| 三井住友信託銀行 | 2,173 3.06% | 2,173 3.06% | 2,173 3.09% | 2,173 3.11% | 2,173 3.11% | 2,173 3.15% | ||||
| 日本トラスティ・サービス信託銀行 | 1,616 2.28% | 1,660 2.34% | 2,770 3.94% | 2,736 3.92% | 2,736 3.92% | |||||
| JXTGホールディングス | 2,082 2.96% | 2,082 2.98% | 2,082 2.98% | |||||||
| SSBTC CLIENT OMNIBUS ACCOUNT | 2,770 3.97% | |||||||||
| 公益財団法人新技術開発財団 | 8,282 11.67% | 8,282 11.67% | 8,282 11.78% | |||||||
| 損害保険ジャパン日本興亜 | 1,876 2.64% | 1,876 2.64% | 1,876 2.67% | |||||||
| 計 | 32,049 45.14% | 32,299 45.49% | 32,977 46.9% | 33,690 48.28% | 36,885 52.86% | 37,597 54.5% | 38,694 56.3% | 38,135 56.95% | 36,092 56.12% | 33,692 54.06% |