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 | 11,819 7% | 18,116 10.73% | 4,568 14.24% | 5,068 16.05% | 4,973 15.75% | 5,424 17.18% | 6,927 22.06% | 6,487 20.96% | 5,705 18.76% | 11,780 19.47% |
| 日本カストディ銀行 | 502 1.59% | 538 1.71% | 3,064 9.9% | 3,581 11.77% | 7,100 11.74% | |||||
| 日本生命保険相互会社 | 13,329 7.9% | 13,329 7.9% | 2,399 7.48% | 2,132 6.76% | 2,132 6.76% | 2,132 6.75% | 2,132 6.79% | 2,132 6.89% | 2,132 7.01% | 4,265 7.05% |
| 三菱UFJ銀行 | 1,590 5.04% | 1,570 4.97% | 1,570 4.98% | 1,405 4.48% | 1,240 4.01% | 1,240 4.08% | 2,480 4.1% | |||
| STATE STREET BANK AND TRUST COMPANY | 3,992 2.37% | 2,170 3.59% | ||||||||
| 三井住友信託銀行 | 5,225 3.1% | 5,225 3.1% | 1,045 3.26% | 1,045 3.31% | 1,045 3.31% | 1,045 3.31% | 1,045 3.33% | 1,045 3.38% | 1,045 3.44% | 2,090 3.45% |
| オークマ取引先持株会 | 3,557 2.11% | 3,670 2.17% | 732 2.28% | 740 2.34% | 759 2.41% | 765 2.43% | 780 2.48% | 805 2.6% | 786 2.59% | 1,619 2.68% |
| 岡谷鋼機 | 3,233 1.92% | 3,233 1.92% | 646 2.02% | 646 2.05% | 646 2.05% | 646 2.05% | 646 2.06% | 646 2.09% | 646 2.13% | 1,293 2.14% |
| オークマ共栄会 | 470 1.49% | 484 1.54% | 507 1.64% | 522 1.72% | 1,073 1.77% | |||||
| オークマ従業員持株会 | 446 1.44% | 442 1.46% | 919 1.52% | |||||||
| SSBTC CLIENT OMNIBUS ACCOUNT | 442 1.41% | 543 1.76% | 412 1.36% | |||||||
| STATE STREET CLIENT OMNIBUS ACCOUNT OM44 | 505 1.58% | 751 2.38% | 791 2.51% | 434 1.37% | ||||||
| 日本トラスティ・サービス信託銀行 | 10,026 5.94% | 2,503 1.48% | 2,139 6.67% | 2,167 6.86% | 594 1.88% | |||||
| JP MORGAN CHASE BANK | 530 1.68% | |||||||||
| JPMC GOLDMAN SACHS TRUST JASDEC LENDING ACCOUNT | 740 2.35% | |||||||||
| 資産管理サービス信託銀行 | 3,325 1.97% | 3,325 1.97% | 601 1.87% | 640 2.03% | ||||||
| 三菱東京UFJ銀行 | 7,954 4.71% | 7,954 4.71% | 1,590 4.96% | |||||||
| STATE STREET LONDON CARE OF STATE STREET BANK AND TRUST, BOSTON SSBTC A/C UK LONDON BRANCH CLIENTS - UNITED KINGDOM | 592 1.85% | |||||||||
| MSCO CUSTOMER SECURITIES | 2,518 1.49% | |||||||||
| ゴールドマン・サックス証券 | 2,737 1.62% | |||||||||
| 計 | 65,199 38.63% | 70,738 41.91% | 14,822 46.21% | 15,523 49.17% | 14,992 47.49% | 15,587 49.37% | 17,059 54.32% | 16,918 54.65% | 16,517 54.3% | 34,794 57.51% |