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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 石塚興産 | 706.8 24.96% | 706.8 24.96% | 706.8 24.91% | 706.8 24.91% | 706.8 24.91% | 706.8 24.86% | 706.8 24.86% | 706.8 24.86% | 2,827.2 25.94% | 2,827.2 26.56% |
| 石塚大助 | 641 5.88% | 641 6.02% | ||||||||
| 石塚二朗 | 621.1 5.7% | 612.2 5.75% | ||||||||
| SEMITEC従業員持株会 | 346.165 12.22% | 347.665 12.27% | 211.765 7.46% | 212.465 7.49% | 193.265 6.79% | 153.165 5.38% | 141.598 4.98% | 510.392 4.68% | 503.592 4.73% | |
| 日本マスタートラスト 信託銀行 | 1,141.1 10.47% | 481.6 4.52% | ||||||||
| 日本カストディ銀行 | 37 1.3% | 173.2 6.09% | 145.4 5.11% | 530.3 4.86% | 479.4 4.5% | |||||
| 石塚みどり | 339 3.11% | 339 3.18% | ||||||||
| 岩崎泰次 | 196.8 1.8% | 190.8 1.79% | ||||||||
| JP MORGAN CHASE BANK | 41.1 1.44% | 41.1 1.44% | 176.4 1.65% | |||||||
| 成川武彦 | 155.3 1.45% | |||||||||
| GOLDMAN SACHS INTERNATIONAL | 118.7 4.18% | 325.2 2.98% | ||||||||
| SBI証券 | 43.826 1.54% | 170.068 1.56% | ||||||||
| 石塚 二朗 | 535.5 18.91% | 535.5 18.91% | 531.4 18.73% | 307.3 10.83% | 307.3 10.83% | 307.3 10.81% | 307.3 10.81% | 307.3 10.81% | ||
| 日本マスタートラスト信託銀行 | 120.9 4.27% | 125.5 4.43% | 143.7 5.06% | 162.6 5.73% | 127.4 4.49% | 43 1.51% | 239 8.4% | 304.9 10.72% | ||
| 石塚 大助 | 160.25 5.65% | 160.25 5.65% | 160.25 5.64% | 160.25 5.65% | 160.25 5.65% | 160.25 5.63% | 160.25 5.63% | 160.25 5.63% | ||
| 石塚 みどり | 84.75 2.99% | 84.75 2.99% | 84.75 2.98% | 84.75 2.98% | 84.75 2.98% | 84.75 2.98% | 84.75 2.98% | 84.75 2.98% | ||
| 岩崎 泰次 | 46.9 1.65% | 49.7 1.74% | ||||||||
| BBH FOR FIDELITY FUNDS－JAPAN AGGRESSIVE | 27.4 0.96% | |||||||||
| BNY GCM CLIENT ACCOUNT JPRD AC ISG | 33.044 1.16% | |||||||||
| 野村證券 | 24.149 0.85% | |||||||||
| 三菱UFJ銀行 | 23 0.81% | 23 0.81% | 23 0.8% | |||||||
| 日本トラスティ・サービス信託銀行 | 24.3 0.85% | 86.9 3.06% | 84.6 2.98% | 113.2 3.99% | ||||||
| 資産管理サービス信託銀行 | 69.5 2.45% | 69.5 2.45% | ||||||||
| 榊原 潤 | 32.5 1.14% | |||||||||
| 笹原 邦夫 | 26 0.91% | 26 0.91% | 23 0.81% | 23 0.81% | 23 0.81% | |||||
| SEMITEC従業員持株会 3 | 275.465 9.71% | |||||||||
| 三菱東京UFJ銀行 | 23 0.81% | 23 0.81% | ||||||||
| 日本証券金融 | 20.6 0.72% | |||||||||
| 石塚 淳也 | 20 0.7% | |||||||||
| 横山 寛泰 | 29.4 1.03% | 29.4 1.03% | ||||||||
| 河村 静男 | 26 0.91% | 26 0.91% | ||||||||
| BNY GCM CLINET ACCOUNT JPRD AC ISG | 32.1 1.13% | |||||||||
| 計 | 2,092.165 73.88% | 2,151.765 75.98% | 1,988.965 70.11% | 1,952.265 68.82% | 1,860.165 65.57% | 1,612.558 56.73% | 1,939.865 68.24% | 1,985.624 69.85% | 7,302.16 67.01% | 6,406.492 60.2% |