| SC 13G | 2005-02-14 | WESTFIELD CAPITAL MANAGEMENT CO LLC | RADIO ONE INC | 9 | 11.0% | EDGAR |
| SC 13G | 2005-02-10 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | RADIO ONE INC | 2,815,570 | 12.6% | EDGAR |
| SC 13G/A | 2004-12-10 | FMR CORP | RADIO ONE INC | 1,463,517 | 6.5% | EDGAR |
| SC 13G/A | 2004-11-10 | ARIEL CAPITAL MANAGEMENT LLC | RADIO ONE INC | - | - | EDGAR |
| SC 13G/A | 2004-10-12 | MORGAN STANLEY | RADIO ONE INC | 3,259,934 | 12.7% | EDGAR |
| SC 13G/A | 2004-02-17 | FMR CORP | RADIO ONE INC | 2,747,804 | 12.3% | EDGAR |
| SC 13G | 2004-02-17 | MORGAN STANLEY | RADIO ONE INC | 1,871,267 | 7.7% | EDGAR |
| SC 13G/A | 2004-02-13 | ARIEL CAPITAL MANAGEMENT INC ET AL | RADIO ONE INC | - | - | EDGAR |
| SC 13G/A | 2004-02-10 | TCW GROUP INC | RADIO ONE INC | 1,294,820 | 5.8% | EDGAR |
| SC 13G | 2004-02-10 | PRICE T ROWE ASSOCIATES INC /MD/ | RADIO ONE INC | 3,919,000 | 5.1% | EDGAR |
| SC 13G/A | 2004-02-09 | TCW GROUP INC | RADIO ONE INC | 1,294,820 | 5.8% | EDGAR |
| SC 13G/A | 2004-02-09 | DELAWARE MANAGEMENT HOLDINGS CO INC | RADIO ONE INC | 984,766 | 4.4% | EDGAR |
| SC 13G/A | 2003-02-14 | FMR CORP | RADIO ONE INC | 2,500,152 | 11.2% | EDGAR |
| SC 13G/A | 2003-02-14 | PUTNAM LLC | RADIO ONE INC | 174,200 | 0.7% | EDGAR |
| SC 13G/A | 2003-02-14 | PUTNAM LLC | RADIO ONE INC | 342,536,168 | 4.4% | EDGAR |
| SC 13G/A | 2003-02-11 | PRICE T ROWE ASSOCIATES INC /MD/ | RADIO ONE INC | 2,610,800 | 3.4% | EDGAR |
| SC 13G/A | 2003-02-07 | DELAWARE MANAGEMENT HOLDINGS CO INC | RADIO ONE INC | 2,074,400 | 9.3% | EDGAR |
| SC 13G/A | 2003-02-05 | TCW GROUP INC | RADIO ONE INC | 1,504,986 | 6.7% | EDGAR |
| SC 13G/A | 2003-02-05 | TCW GROUP INC | RADIO ONE INC | 2,586,831 | 3.4% | EDGAR |
| SC 13G/A | 2003-02-04 | ARIEL CAPITAL MANAGEMENT INC ET AL | RADIO ONE INC | 9 | 11.0% | EDGAR |