| 报告时间 | 股东名称 | 持股数量(股) | 占总股本比例(%) |
| 2005-09-30 | NAITO SECURITIES CO.,LTD | 6,908,730 | 0.61 |
| 2001-02-13 | NAITO SECURITIES CO.,LTD | 9,642,800 | 1.38 |
| 2000-12-31 | NAITO SECURITIES CO.,LTD | 9,907,800 | 1.41 |
| 2000-06-30 | NAITO SECURITIES CO.,LTD | 12,468,600 | 2.12 |
| 1999-06-30 | NAITO SECURITIES CO.,LTD | 14,285,200 | 2.43 |
| 1998-12-31 | NAITO SECURITIES CO.,LTD | 12,869,800 | 2.19 |
| 1998-06-30 | NAITO SECURITIES CO.,LTD | 12,054,400 | 2.05 |