| 2013/04/12 | Citigroup Global Markets ltd | 0.230% | -0.180% | 657,000株 | -518,000 | 報告義務消失 |
| 2013/04/02 | Citigroup Global Markets ltd | 0.410% | 0% | 1,175,000株 | +7,000 | |
| 2013/03/29 | Citigroup Global Markets ltd | 0.410% | +0.020% | 1,168,000株 | +49,000 | |
| 2013/03/28 | Citigroup Global Markets ltd | 0.390% | 0% | 1,119,000株 | +15,000 | |
| 2013/03/27 | Citigroup Global Markets ltd | 0.390% | +0.040% | 1,104,000株 | +100,000 | |
| 2013/03/22 | Citigroup Global Markets ltd | 0.350% | +0.040% | 1,004,000株 | +119,000 | |
| 2013/02/28 | Citigroup Global Markets ltd | 0.310% | 0% | 885,000株 | | 再IN（前回2012-12-27） |
| 2012/12/27 | Citigroup Global Markets ltd | 0.000% | 0% | 0株 | 0 | ポジション解消 |
| 2012/11/30 | Asuka Opportunities | 0.157% | -0.124% | 444,000株 | -350,000 | 報告義務消失 |
| 2012/11/29 | Asuka Opportunities | 0.281% | 0% | 794,000株 | | |
企業情報