| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2010-02-09 | STATE STREET BANK & TRUST CO | EQUITY RESIDENTIAL | 13,171,117 | 4.8% | EDGAR |
| SC 13G/A | 2010-02-03 | VANGUARD GROUP INC | EQUITY RESIDENTIAL | 23,190,754 | 8.4% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | EQUITY RESIDENTIAL | 22,307,052 | 8.1% | EDGAR |
| SC 13G/A | 2009-02-17 | MORGAN STANLEY | EQUITY RESIDENTIAL | 11,775,521 | 4.3% | EDGAR |
| SC 13G/A | 2009-02-13 | VANGUARD GROUP INC | EQUITY RESIDENTIAL | 20,170,528 | 7.4% | EDGAR |
| SC 13G | 2009-02-13 | STATE STREET BANK & TRUST CO | EQUITY RESIDENTIAL | 15,146,439 | 5.6% | EDGAR |
| SC 13G | 2009-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | EQUITY RESIDENTIAL | 7,669,981 | 2.8% | EDGAR |
| SC 13G | 2008-11-17 | STATE STREET BANK & TRUST CO | EQUITY RESIDENTIAL | 13,861,307 | 5.1% | EDGAR |
| SC 13G/A | 2008-02-14 | VANGUARD GROUP INC | EQUITY RESIDENTIAL | 17,371,445 | 6.4% | EDGAR |
| SC 13G | 2008-02-14 | MORGAN STANLEY | EQUITY RESIDENTIAL | 21,747,370 | 8.0% | EDGAR |
| SC 13G/A | 2008-02-13 | CAPITAL RESEARCH & MANAGEMENT CO | EQUITY RESIDENTIAL | - | 0.0% | EDGAR |
| SC 13G/A | 2008-02-11 | VANGUARD GROUP INC | EQUITY RESIDENTIAL | 17,371,445 | 6.4% | EDGAR |
| SC 13G | 2008-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | EQUITY RESIDENTIAL | 8,534,748 | 3.2% | EDGAR |
| SC 13G/A | 2007-06-11 | FMR CORP | EQUITY RESIDENTIAL | 12,251,893 | 4.2% | EDGAR |
| SC 13G/A | 2007-02-14 | FMR CORP | EQUITY RESIDENTIAL | 27,140,829 | 9.3% | EDGAR |
| SC 13G/A | 2007-02-14 | VANGUARD GROUP INC | EQUITY RESIDENTIAL | 17,450,265 | 6.0% | EDGAR |
| SC 13G/A | 2007-02-13 | DODGE & COX | EQUITY RESIDENTIAL | 189,382 | 0.1% | EDGAR |
| SC 13G/A | 2007-02-12 | CAPITAL RESEARCH & MANAGEMENT CO | EQUITY RESIDENTIAL | 15,088,200 | 5.2% | EDGAR |
| SC 13G | 2007-01-23 | BARCLAYS GLOBAL INVESTORS NA /CA/ | EQUITY RESIDENTIAL | 8,551,803 | 2.9% | EDGAR |
| SC 13G/A | 2006-02-14 | FMR CORP | EQUITY RESIDENTIAL | 22,448,769 | 7.8% | EDGAR |