| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2013-02-01 | BlackRock Inc. | HCP, INC. | 36,904,844 | 8.2% | EDGAR |
| SC 13G/A | 2013-01-30 | VANGUARD SPECIALIZED FUNDS | HCP, INC. | 29,979,174 | 6.6% | EDGAR |
| SC 13G/A | 2012-04-10 | VANGUARD GROUP INC | HCP, INC. | 42,300,767 | 10.1% | EDGAR |
| SC 13G/A | 2012-02-14 | FMR LLC | HCP, INC. | 10,125,230 | 2.5% | EDGAR |
| SC 13G/A | 2012-02-14 | COHEN & STEERS INC | HCP, INC. | 27,730,858 | 6.8% | EDGAR |
| SC 13G/A | 2012-02-13 | BlackRock Inc. | HCP, INC. | 30,090,275 | 7.4% | EDGAR |
| SC 13G/A | 2012-02-10 | Capital World Investors | HCP, INC. | 19,271,470 | 4.7% | EDGAR |
| SC 13G | 2012-02-09 | STATE STREET CORP | HCP, INC. | - | 6.2% | EDGAR |
| SC 13G/A | 2012-02-08 | VANGUARD GROUP INC | HCP, INC. | 38,803,847 | 9.5% | EDGAR |
| SC 13G/A | 2012-01-27 | VANGUARD SPECIALIZED FUNDS | HCP, INC. | 22,566,042 | 5.5% | EDGAR |
| SC 13G | 2011-02-14 | FMR LLC | HCP, INC. | 19,041,184 | 5.2% | EDGAR |
| SC 13G | 2011-02-14 | Capital World Investors | HCP, INC. | 20,339,500 | 5.6% | EDGAR |
| SC 13G | 2011-02-11 | STATE STREET Corp | HCP, INC. | - | 5.8% | EDGAR |
| SC 13G/A | 2011-02-10 | VANGUARD GROUP INC | HCP, INC. | 32,611,307 | 8.9% | EDGAR |
| SC 13G | 2011-02-10 | VANGUARD SPECIALIZED FUNDS | HCP, INC. | 19,294,381 | 5.3% | EDGAR |
| SC 13G/A | 2011-02-04 | BlackRock Inc. | HCP, INC. | 25,955,008 | 7.1% | EDGAR |
| SC 13G/A | 2010-05-07 | VANGUARD GROUP INC | HCP, INC. | 29,678,178 | 10.1% | EDGAR |
| SC 13G/A | 2010-02-09 | STATE STREET BANK & TRUST CO | HCP, INC. | 14,522,068 | 5.0% | EDGAR |
| SC 13G/A | 2010-02-04 | VANGUARD GROUP INC | HCP, INC. | 28,206,632 | 9.6% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | HCP, INC. | 23,704,954 | 8.1% | EDGAR |