| SC 13G/A | 2013-01-29 | FIRST TRUST PORTFOLIOS LP | Pioneer Floating Rate Trust | 5,489,951 | 22.3% | EDGAR |
| SC 13G/A | 2012-02-13 | FIRST TRUST PORTFOLIOS LP | Pioneer Floating Rate Trust | 4,780,449 | 19.5% | EDGAR |
| SC 13G/A | 2012-02-03 | GUGGENHEIM FUNDS DISTRIBUTORS, INC. | Pioneer Floating Rate Trust | 1,494,944 | 6.1% | EDGAR |
| SC 13G/A | 2012-01-24 | UBS AG | Pioneer Floating Rate Trust | 1,594 | 21.8% | EDGAR |
| SC 13D/A | 2011-03-09 | Pioneer Floating Rate Trust | Molecular Insight Pharmaceuticals, Inc. | - | - | EDGAR |
| SC 13G | 2011-02-09 | CITIGROUP INC | Pioneer Floating Rate Trust | 397 | 5.4% | EDGAR |
| SC 13G | 2011-01-28 | GUGGENHEIM FUNDS DISTRIBUTORS, INC. | Pioneer Floating Rate Trust | 1,683,975 | 6.9% | EDGAR |
| SC 13G/A | 2011-01-18 | FIRST TRUST PORTFOLIOS LP | Pioneer Floating Rate Trust | 5,430,982 | 22.2% | EDGAR |
| SC 13G/A | 2011-01-14 | UBS AG | Pioneer Floating Rate Trust | 1,593 | 21.8% | EDGAR |
| SC 13D/A | 2011-01-11 | Pioneer Floating Rate Trust | Molecular Insight Pharmaceuticals, Inc. | - | - | EDGAR |
| SC 13D | 2011-01-11 | BANK OF AMERICA CORP /DE/ | Pioneer Floating Rate Trust | 4,011 | 55.0% | EDGAR |
| SC 13D | 2010-07-01 | Pioneer Floating Rate Trust | Molecular Insight Pharmaceuticals, Inc. | 0 | - | EDGAR |
| SC 13D | 2010-06-30 | Pioneer Floating Rate Trust | Molecular Insight Pharmaceuticals, Inc. | 0 | - | EDGAR |
| SC 13G/A | 2010-03-12 | BANK OF AMERICA CORP /DE/ | Pioneer Floating Rate Trust | 3,920 | 53.7% | EDGAR |
| SC 13G/A | 2010-02-08 | UBS AG | Pioneer Floating Rate Trust | 1,366 | 18.7% | EDGAR |
| SC 13G/A | 2010-01-20 | BANK OF AMERICA CORP /DE/ | Pioneer Floating Rate Trust | 7,577 | 51.9% | EDGAR |
| SC 13G/A | 2010-01-08 | FIRST TRUST PORTFOLIOS LP | Pioneer Floating Rate Trust | 4,678,508 | 19.2% | EDGAR |
| SC 13G/A | 2009-12-10 | FIRST TRUST PORTFOLIOS LP | Pioneer Floating Rate Trust | 4,064,478 | 16.7% | EDGAR |
| SC 13G/A | 2009-10-08 | FIRST TRUST PORTFOLIOS LP | Pioneer Floating Rate Trust | 2,799,141 | 11.5% | EDGAR |
| SC 13G/A | 2009-02-11 | BANK OF AMERICA CORP /DE/ | Pioneer Floating Rate Trust | 3,620 | 42.2% | EDGAR |