| 报告时间 | 股东名称 | 持股数量(股) | 占总股本比例(%) |
| 2011-08-02 | 姜凌 | 560,000 | 0.26 |
| 2011-06-30 | 姜凌 | 560,000 | 0.26 |
| 2010-12-31 | 姜凌 | 560,000 | 0.26 |
| 2010-06-30 | 姜凌 | 560,000 | 0.26 |
| 2009-12-31 | 姜凌 | 560,000 | 0.26 |
| 2009-06-30 | 姜凌 | 560,000 | 0.26 |
| 2008-12-31 | 姜凌 | 560,000 | 0.26 |
| 2008-06-30 | 姜凌 | 560,000 | 0.26 |
| 2007-12-31 | 姜凌 | 560,000 | 0.26 |
| 2007-06-30 | 姜凌 | 560,000 | 0.26 |
| 2006-12-31 | 姜凌 | 560,000 | 0.26 |
| 2006-06-30 | 姜凌 | 447,300 | 0.21 |
| 2005-12-31 | 姜凌 | 219,000 | 0.10 |
| 2005-06-30 | 姜凌 | 196,000 | 0.09 |
| 2004-12-31 | 姜凌 | 130,000 | 0.06 |
| 2004-06-30 | 姜凌 | 141,000 | 0.07 |