| 报告时间 | 股东名称 | 持股数量(股) | 占总股本比例(%) |
| 2021-12-31 | 洪祖芳 | 2,425,800 | 1.20 |
| 2021-09-30 | 洪祖芳 | 2,425,800 | 1.20 |
| 2021-06-30 | 洪祖芳 | 2,425,800 | 1.20 |
| 2021-03-31 | 洪祖芳 | 2,425,800 | 1.20 |
| 2020-12-31 | 洪祖芳 | 2,425,800 | 1.20 |
| 2020-09-30 | 洪祖芳 | 1,985,800 | 0.98 |
| 2020-06-30 | 洪祖芳 | 1,863,100 | 0.92 |
| 2020-03-31 | 洪祖芳 | 1,801,600 | 0.89 |
| 2019-12-31 | 洪祖芳 | 1,648,000 | 0.82 |
| 2019-09-30 | 洪祖芳 | 1,443,400 | 0.72 |
| 2019-06-30 | 洪祖芳 | 1,393,400 | 0.69 |
| 2019-03-31 | 洪祖芳 | 727,500 | 0.36 |