| SC 13G/A | 2006-11-09 | POWERSHARES EXCHANGE TRADED FUND TRUST | ACTIVE POWER INC | 1,493,497 | 3.0% | EDGAR |
| SC 13G/A | 2006-11-09 | POWERSHARES EXCHANGE TRADED FUND TRUST | QUANTUM FUEL SYSTEMS TECHNOLOGIES WORLDWIDE INC | 1,509,218 | 2.6% | EDGAR |
| SC 13G/A | 2006-11-09 | POWERSHARES EXCHANGE TRADED FUND TRUST | ULTRALIFE BATTERIES INC | 337,246 | 2.3% | EDGAR |
| SC 13G | 2006-11-09 | WACHOVIA CORP NEW | POWERSHARES EXCHANGE TRADED FUND TRUST | 396,391 | 12.8% | EDGAR |
| SC 13G | 2006-11-09 | WACHOVIA CORP NEW | POWERSHARES EXCHANGE TRADED FUND TRUST | 321,630 | 11.1% | EDGAR |
| SC 13G | 2006-11-09 | WACHOVIA CORP NEW | POWERSHARES EXCHANGE TRADED FUND TRUST | 641,145 | 10.7% | EDGAR |
| SC 13G/A | 2006-10-10 | POWERSHARES EXCHANGE TRADED FUND TRUST | MECHANICAL TECHNOLOGY INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2006-10-10 | POWERSHARES EXCHANGE TRADED FUND TRUST | UQM TECHNOLOGIES INC | 1,195,150 | 4.8% | EDGAR |
| SC 13G/A | 2006-10-10 | POWERSHARES EXCHANGE TRADED FUND TRUST | ACTIVE POWER INC | 1,469,427 | 3.0% | EDGAR |
| SC 13G/A | 2006-10-10 | POWERSHARES EXCHANGE TRADED FUND TRUST | QUANTUM FUEL SYSTEMS TECHNOLOGIES WORLDWIDE INC | 1,589,563 | 2.7% | EDGAR |
| SC 13G/A | 2006-10-10 | POWERSHARES EXCHANGE TRADED FUND TRUST | ULTRALIFE BATTERIES INC | 331,840 | 2.2% | EDGAR |
| SC 13G | 2006-10-10 | WACHOVIA CORP NEW | POWERSHARES EXCHANGE TRADED FUND TRUST | 423,157 | 28.2% | EDGAR |
| SC 13G | 2006-10-10 | WACHOVIA CORP NEW | POWERSHARES EXCHANGE TRADED FUND TRUST | 760,245 | 19.5% | EDGAR |
| SC 13G | 2006-10-10 | WACHOVIA CORP NEW | POWERSHARES EXCHANGE TRADED FUND TRUST | 406,760 | 20.3% | EDGAR |
| SC 13G | 2006-09-11 | WACHOVIA CORP NEW | POWERSHARES EXCHANGE TRADED FUND TRUST | 415,335 | 2.6% | EDGAR |
| SC 13G | 2006-09-11 | WACHOVIA CORP NEW | POWERSHARES EXCHANGE TRADED FUND TRUST | 1,005,218 | 25.8% | EDGAR |
| SC 13G | 2006-09-11 | WACHOVIA CORP NEW | POWERSHARES EXCHANGE TRADED FUND TRUST | 302,362 | 20.2% | EDGAR |
| SC 13G | 2006-09-11 | WACHOVIA CORP NEW | POWERSHARES EXCHANGE TRADED FUND TRUST | 215,463 | 6.3% | EDGAR |
| SC 13G | 2006-08-11 | WACHOVIA CORP NEW | POWERSHARES EXCHANGE TRADED FUND TRUST | 526,189 | 3.1% | EDGAR |
| SC 13G | 2006-08-11 | WACHOVIA CORP NEW | POWERSHARES EXCHANGE TRADED FUND TRUST | 526,189 | 3.1% | EDGAR |