| SC 13G/A | 2016-01-25 | BlackRock Inc. | AECOM | 11,460,433 | 7.6% | EDGAR |
| SC 13G/A | 2015-09-10 | WELLINGTON MANAGEMENT GROUP LLP | AECOM | 4,224,797 | 2.8% | EDGAR |
| SC 13G/A | 2015-02-13 | FMR LLC | AECOM | 23,073,199 | 15.0% | EDGAR |
| SC 13G/A | 2015-02-12 | WELLINGTON MANAGEMENT GROUP LLP | AECOM | 12,726,869 | 8.3% | EDGAR |
| SC 13G/A | 2015-02-10 | VANGUARD GROUP INC | AECOM | 9,888,017 | 6.4% | EDGAR |
| SC 13G/A | 2015-01-26 | BlackRock Inc. | AECOM | 11,201,762 | 7.3% | EDGAR |
| SC 13G | 2014-09-10 | WELLINGTON MANAGEMENT CO LLP | AECOM TECHNOLOGY CORP | 10,588,378 | 10.6% | EDGAR |
| SC 13G/A | 2014-02-14 | FMR LLC | AECOM TECHNOLOGY CORP | 15,124,671 | 15.4% | EDGAR |
| SC 13G/A | 2014-02-10 | VANGUARD GROUP INC | AECOM TECHNOLOGY CORP | 5,687,743 | 5.8% | EDGAR |
| SC 13G/A | 2014-01-28 | BlackRock Inc. | AECOM TECHNOLOGY CORP | 6,441,113 | 6.6% | EDGAR |
| SC 13G/A | 2013-02-22 | VANGUARD GROUP INC | AECOM TECHNOLOGY CORP | 5,439,519 | 5.0% | EDGAR |
| SC 13G/A | 2013-02-14 | FMR LLC | AECOM TECHNOLOGY CORP | 16,430,592 | 15.2% | EDGAR |
| SC 13G | 2013-02-13 | VANGUARD GROUP INC | AECOM TECHNOLOGY CORP | 5,439,519 | 5.4% | EDGAR |
| SC 13G | 2013-01-30 | BlackRock Inc. | AECOM TECHNOLOGY CORP | 5,681,078 | 5.3% | EDGAR |
| SC 13G/A | 2012-12-10 | FMR LLC | AECOM TECHNOLOGY CORP | 16,700,637 | 15.5% | EDGAR |
| SC 13G | 2012-06-11 | FMR LLC | AECOM TECHNOLOGY CORP | 11,377,803 | 10.1% | EDGAR |
| SC 13G/A | 2012-02-14 | WELLINGTON MANAGEMENT CO LLP | AECOM TECHNOLOGY CORP | 3,788,506 | 3.3% | EDGAR |
| SC 13G | 2011-02-14 | WELLINGTON MANAGEMENT CO LLP | AECOM TECHNOLOGY CORP | 6,864,117 | 5.8% | EDGAR |
| SC 13G/A | 2010-02-12 | BAMCO INC /NY/ | AECOM TECHNOLOGY CORP | 5,350,200 | 4.9% | EDGAR |
| SC 13G/A | 2010-02-11 | MARSICO CAPITAL MANAGEMENT LLC | AECOM TECHNOLOGY CORP | 1,492,739 | 1.3% | EDGAR |