| SC 13G | 2010-01-29 | BlackRock Inc. | APARTMENT INVESTMENT & MANAGEMENT CO | 8,762,198 | 7.5% | EDGAR |
| SC 13G/A | 2009-09-15 | VANGUARD GROUP INC | APARTMENT INVESTMENT & MANAGEMENT CO | 11,785,591 | 10.1% | EDGAR |
| SC 13G/A | 2009-09-10 | VANGUARD GROUP INC | APARTMENT INVESTMENT & MANAGEMENT CO | 11,785,591 | 10.1% | EDGAR |
| SC 13G/A | 2009-02-17 | FMR LLC | APARTMENT INVESTMENT & MANAGEMENT CO | 9,228,917 | 9.1% | EDGAR |
| SC 13G/A | 2009-02-13 | VANGUARD GROUP INC | APARTMENT INVESTMENT & MANAGEMENT CO | 7,742,488 | 7.6% | EDGAR |
| SC 13G/A | 2009-02-13 | HEITMAN REAL ESTATE SECURITIES LLC | APARTMENT INVESTMENT & MANAGEMENT CO | 130,500 | 3.8% | EDGAR |
| SC 13G | 2009-02-13 | STATE STREET BANK & TRUST CO | APARTMENT INVESTMENT & MANAGEMENT CO | 6,768,571 | 7.6% | EDGAR |
| SC 13G/A | 2009-02-11 | GOLDMAN SACHS ASSET MANAGEMENT LP | APARTMENT INVESTMENT & MANAGEMENT CO | 1,230,732 | 1.2% | EDGAR |
| SC 13G/A | 2009-02-10 | BARCLAYS GLOBAL INVESTORS NA /CA/ | APARTMENT INVESTMENT & MANAGEMENT CO | 4,620,384 | 5.2% | EDGAR |
| SC 13G/A | 2009-02-10 | SECURITY CAPITAL RESEARCH & MANAGEMENT INC | APARTMENT INVESTMENT & MANAGEMENT CO | 9,618,018 | 9.5% | EDGAR |
| SC 13G | 2009-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | APARTMENT INVESTMENT & MANAGEMENT CO | 4,109,356 | 4.6% | EDGAR |
| SC 13G/A | 2009-01-13 | J P MORGAN CHASE & CO | APARTMENT INVESTMENT & MANAGEMENT CO | 863,834 | 0.9% | EDGAR |
| SC 13G/A | 2009-01-09 | COHEN & STEERS INC | APARTMENT INVESTMENT & MANAGEMENT CO | 8,443,061 | 8.3% | EDGAR |
| SC 13G/A | 2008-11-10 | COHEN & STEERS INC | APARTMENT INVESTMENT & MANAGEMENT CO | 1,397,876 | 1.6% | EDGAR |
| SC 13G/A | 2008-09-18 | HEITMAN REAL ESTATE SECURITIES LLC | APARTMENT INVESTMENT & MANAGEMENT CO | 158,000 | 4.6% | EDGAR |
| SC 13G/A | 2008-08-07 | HEITMAN REAL ESTATE SECURITIES LLC | APARTMENT INVESTMENT & MANAGEMENT CO | 158,000 | 4.6% | EDGAR |
| SC 13G | 2008-07-31 | STATE STREET BANK & TRUST CO | APARTMENT INVESTMENT & MANAGEMENT CO | 5,317,285 | 5.9% | EDGAR |
| SC 13G/A | 2008-05-08 | DEUTSCHE BANK AG\ | APARTMENT INVESTMENT & MANAGEMENT CO | 2,454,590 | 2.7% | EDGAR |
| SC 13G | 2008-02-14 | FMR LLC | APARTMENT INVESTMENT & MANAGEMENT CO | 5,645,417 | 5.9% | EDGAR |
| SC 13G/A | 2008-02-13 | COHEN & STEERS INC | APARTMENT INVESTMENT & MANAGEMENT CO | 7,657,190 | 8.0% | EDGAR |