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 |
|---|---|---|---|---|---|---|---|---|---|---|
| マルハニチロ | 631 8.7% | 631 8.7% | 631 8.94% | 631 8.94% | 631 8.94% | 731 11.49% | 731 11.49% | 731 11.49% | 731 11.49% | 731 11.49% |
| 極洋 | 413 5.7% | 413 5.7% | 413 5.85% | 413 5.85% | 413 5.85% | 497 7.81% | 497 7.81% | 497 7.81% | 497 7.81% | 497 7.81% |
| 浜銀ファイナンス | 327 4.51% | 327 4.51% | 327 4.63% | 327 4.63% | 327 4.63% | 327 5.14% | 327 5.14% | 327 5.14% | 327 5.14% | 327 5.14% |
| 横浜銀行 | 326 4.49% | 326 4.49% | 326 4.61% | 326 4.61% | 322 4.55% | 322 5.05% | 317 4.97% | 317 4.97% | 317 4.97% | 317 4.97% |
| 岡三証券グループ | 252 3.47% | 252 3.47% | 252 3.56% | 252 3.56% | 252 3.56% | 252 3.95% | 252 3.95% | 252 3.95% | 252 3.95% | 252 3.95% |
| 築地魚市場 | 171 2.69% | 187 2.94% | 217 3.42% | 217 3.42% | 217 3.42% | |||||
| 東都水産 | 210 2.89% | 210 2.97% | 210 2.97% | 210 2.97% | 210 3.29% | 210 3.29% | 210 3.29% | 210 3.29% | 210 3.29% | |
| 横浜冷凍 | 207 2.86% | 207 2.86% | 207 2.94% | 207 2.94% | 207 2.94% | 207 3.26% | 207 3.26% | 207 3.26% | 207 3.26% | 207 3.26% |
| ニチレイフレッシュ | 194 2.67% | 194 2.67% | 194 2.74% | 194 2.74% | 194 2.74% | 194 3.05% | 194 3.05% | 194 3.05% | 194 3.05% | 194 3.05% |
| 八丁幸 | 152 2.09% | 152 2.09% | 152 2.15% | 152 2.38% | 152 2.38% | 152 2.38% | 152 2.38% | 152 2.38% | ||
| UNEARTH INTERNATIONAL LIMITED | 584 8.26% | |||||||||
| M＆S | 319 4.52% | 518 7.34% | ||||||||
| 横浜丸魚社員持株会 | 197 2.72% | 185 2.56% | 190 2.69% | 152 2.16% | ||||||
| 常盤誠 | 253 3.48% | |||||||||
| 計 | 2,956 40.69% | 2,901 39.94% | 3,074 43.49% | 3,235 45.77% | 3,295 46.63% | 3,067 48.17% | 3,078 48.34% | 3,108 48.82% | 3,108 48.82% | 3,108 48.82% |