| SC 13G/A | 2016-03-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 3,336,220 | 69.5% | EDGAR |
| SC 13G/A | 2016-03-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 0 | 0.0% | EDGAR |
| SC 13G | 2016-03-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 1,212,107 | 51.6% | EDGAR |
| SC 13G | 2016-03-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 1,209,128 | 17.0% | EDGAR |
| SC 13G/A | 2016-02-16 | QS Investors, LLC | POWERSHARES EXCHANGE TRADED FUND TRUST | 3,760,541 | 10.2% | EDGAR |
| SC 13G | 2016-02-16 | QS Investors, LLC | POWERSHARES EXCHANGE TRADED FUND TRUST | 1,884,506 | 6.2% | EDGAR |
| SC 13G | 2016-02-12 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 2,596,457 | 5.5% | EDGAR |
| SC 13G/A | 2016-02-08 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 1,481,761 | 10.8% | EDGAR |
| SC 13G/A | 2016-02-08 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 6,870,450 | 12.0% | EDGAR |
| SC 13G/A | 2016-02-08 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 2,266,200 | 59.6% | EDGAR |
| SC 13G | 2016-01-11 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 777,348 | 12.1% | EDGAR |
| SC 13G | 2016-01-11 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 675,945 | 10.5% | EDGAR |
| SC 13G | 2016-01-11 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 727,058 | 11.2% | EDGAR |
| SC 13G | 2016-01-11 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 625,737 | 13.3% | EDGAR |
| SC 13G/A | 2015-12-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 1,701,206 | 12.2% | EDGAR |
| SC 13G/A | 2015-04-09 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 2,524,100 | 58.0% | EDGAR |
| SC 13G/A | 2015-02-17 | QS Investors, LLC | POWERSHARES EXCHANGE TRADED FUND TRUST | 5,283,643 | 11.2% | EDGAR |
| SC 13G/A | 2015-02-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 2,359,565 | 4.9% | EDGAR |
| SC 13G/A | 2015-02-06 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 2,897,731 | 17.4% | EDGAR |
| SC 13G/A | 2015-02-06 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 2,525,435 | 5.3% | EDGAR |