| SC 13G/A | 2014-07-10 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 1,043,864 | 12.6% | EDGAR |
| SC 13G/A | 2014-02-06 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 1,531,109 | 18.5% | EDGAR |
| SC 13G/A | 2013-02-14 | GUGGENHEIM FUNDS DISTRIBUTORS, INC. | Pioneer Diversified High Income Trust | 270,298 | 3.3% | EDGAR |
| SC 13G/A | 2013-02-04 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 1,820,135 | 22.0% | EDGAR |
| SC 13G | 2012-02-15 | Advisors Asset Management, Inc. | Pioneer Diversified High Income Trust | 552,001 | 6.7% | EDGAR |
| SC 13G/A | 2012-02-03 | GUGGENHEIM FUNDS DISTRIBUTORS, INC. | Pioneer Diversified High Income Trust | 450,503 | 5.5% | EDGAR |
| SC 13G/A | 2012-01-12 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 1,766,691 | 21.4% | EDGAR |
| SC 13G/A | 2011-01-28 | GUGGENHEIM FUNDS DISTRIBUTORS, INC. | Pioneer Diversified High Income Trust | 589,753 | 7.2% | EDGAR |
| SC 13G/A | 2011-01-25 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 1,577,318 | 19.3% | EDGAR |
| SC 13G/A | 2010-10-07 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 1,511,409 | 18.5% | EDGAR |
| SC 13G | 2010-01-25 | CLAYMORE SECURITIES INC | Pioneer Diversified High Income Trust | 507,326 | 6.2% | EDGAR |
| SC 13G/A | 2010-01-08 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 1,043,733 | 12.8% | EDGAR |
| SC 13G/A | 2009-02-10 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 803,134 | 11.0% | EDGAR |
| SC 13G | 2009-02-04 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 728,164 | 9.9% | EDGAR |