| SC 13G | 2010-02-16 | Quantitative Advantage LLC | POWERSHARES EXCHANGE TRADED FUND TRUST | 174,247 | 5.9% | EDGAR |
| SC 13G/A | 2010-02-12 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 4,410,687 | 16.3% | EDGAR |
| SC 13G | 2010-02-12 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 108,490 | 6.4% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 179,289 | 12.8% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 4,677,408 | 24.1% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 115,819 | 6.8% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 2,097,070 | 52.4% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 128,166 | 11.6% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 102,601 | 8.6% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 97,368 | 5.7% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 208,617 | 26.1% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 103,942 | 10.4% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 129,401 | 10.8% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 135,249 | 7.1% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 142,785 | 7.9% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 133,998 | 14.9% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 128,600 | 10.7% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 161,271 | 13.4% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 37,715 | 9.4% | EDGAR |
| SC 13G/A | 2010-01-13 | WELLS FARGO & CO/MN | POWERSHARES EXCHANGE TRADED FUND TRUST | 60,921 | 3.8% | EDGAR |