| SC 13G/A | 2017-02-06 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 3,779,208 | 7.6% | EDGAR |
| SC 13G/A | 2017-01-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 0 | 0.0% | EDGAR |
| SC 13G/A | 2017-01-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 3,067,024 | 80.7% | EDGAR |
| SC 13G/A | 2017-01-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 1,235,554 | 70.6% | EDGAR |
| SC 13G/A | 2017-01-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 0 | 0.0% | EDGAR |
| SC 13G | 2017-01-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 835,861 | 15.8% | EDGAR |
| SC 13G | 2017-01-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 1,270,121 | 39.7% | EDGAR |
| SC 13G/A | 2016-12-12 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 838,601 | 22.1% | EDGAR |
| SC 13G/A | 2016-12-12 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 0 | 0.0% | EDGAR |
| SC 13G | 2016-12-12 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 994,391 | 36.2% | EDGAR |
| SC 13G/A | 2016-11-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 3,116,815 | 75.1% | EDGAR |
| SC 13G/A | 2016-10-11 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 1,443,282 | 23.1% | EDGAR |
| SC 13G/A | 2016-08-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 922,313 | 22.8% | EDGAR |
| SC 13G | 2016-08-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 3,212,224 | 22.4% | EDGAR |
| SC 13G/A | 2016-07-11 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 1,345,190 | 62.6% | EDGAR |
| SC 13G/A | 2016-06-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 818,561 | 16.1% | EDGAR |
| SC 13G/A | 2016-05-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 0 | 0.0% | EDGAR |
| SC 13G/A | 2016-05-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 840,135 | 16.6% | EDGAR |
| SC 13G | 2016-05-10 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 776,786 | 25.1% | EDGAR |
| SC 13G/A | 2016-04-11 | Invesco Ltd. | POWERSHARES EXCHANGE TRADED FUND TRUST | 892,253 | 18.4% | EDGAR |