| SC 13G/A | 2013-02-14 | Neuberger Berman Group LLC | COVANTA HOLDING CORP | 11,027,733 | 8.4% | EDGAR |
| SC 13G | 2013-02-14 | THIRD AVENUE MANAGEMENT LLC | COVANTA HOLDING CORP | 7,884,928 | 6.0% | EDGAR |
| SC 13G/A | 2013-02-13 | MORGAN STANLEY | COVANTA HOLDING CORP | 11,557,133 | 8.8% | EDGAR |
| SC 13G/A | 2012-02-14 | Blue Ridge Capital, L.L.C. | COVANTA HOLDING CORP | - | 0.0% | EDGAR |
| SC 13G/A | 2012-02-14 | Neuberger Berman Group LLC | COVANTA HOLDING CORP | 10,741,781 | 7.8% | EDGAR |
| SC 13G | 2012-02-14 | THIRD AVENUE MANAGEMENT LLC | COVANTA HOLDING CORP | 9,255,039 | 6.8% | EDGAR |
| SC 13G/A | 2012-02-08 | MORGAN STANLEY | COVANTA HOLDING CORP | 12,936,389 | 9.5% | EDGAR |
| SC 13G/A | 2011-02-14 | BLUE RIDGE CAPITAL HOLDINGS LLC/BLUE RIDGE CAPITAL OFFSHORE HOLDINGS LLC | COVANTA HOLDING CORP | 5,422,817 | 3.5% | EDGAR |
| SC 13G | 2011-02-14 | Neuberger Berman Group LLC | COVANTA HOLDING CORP | 11,880,147 | 7.7% | EDGAR |
| SC 13G | 2011-02-09 | MORGAN STANLEY | COVANTA HOLDING CORP | 11,055,731 | 7.2% | EDGAR |
| SC 13G/A | 2010-02-16 | BLUE RIDGE CAPITAL HOLDINGS LLC/BLUE RIDGE CAPITAL OFFSHORE HOLDINGS LLC | COVANTA HOLDING CORP | 5,256,917 | 3.4% | EDGAR |
| SC 13G | 2010-02-16 | THIRD AVENUE MANAGEMENT LLC | COVANTA HOLDING CORP | 9,261,289 | 6.0% | EDGAR |
| SC 13G/A | 2010-02-12 | WELLINGTON MANAGEMENT CO LLP | COVANTA HOLDING CORP | 463,509 | 0.3% | EDGAR |
| SC 13D/A | 2009-11-17 | SZ INVESTMENTS LLC | COVANTA HOLDING CORP | 14,949,182 | 9.6% | EDGAR |
| SC 13D/A | 2009-03-09 | SZ INVESTMENTS LLC | COVANTA HOLDING CORP | 14,949,182 | 9.7% | EDGAR |
| SC 13D | 2009-03-06 | SZ INVESTMENTS LLC | COVANTA HOLDING CORP | 15,542,582 | 10.1% | EDGAR |
| SC 13G/A | 2009-02-17 | WELLINGTON MANAGEMENT CO LLP | COVANTA HOLDING CORP | 11,275,690 | 7.3% | EDGAR |
| SC 13G/A | 2009-02-17 | BLUE RIDGE CAPITAL HOLDINGS LLC/BLUE RIDGE CAPITAL OFFSHORE HOLDINGS LLC | COVANTA HOLDING CORP | 5,373,393 | 3.5% | EDGAR |
| SC 13G | 2009-02-13 | THIRD AVENUE MANAGEMENT LLC | COVANTA HOLDING CORP | 9,136,289 | 5.9% | EDGAR |
| SC 13G/A | 2009-01-26 | TRANSAMERICA INVESTMENT MANAGEMENT LLC | COVANTA HOLDING CORP | 448,830 | 0.3% | EDGAR |