| SC 13G | 2012-02-14 | AEW CAPITAL MANAGEMENT L P/MA | KILROY REALTY CORP | 1,782,900 | 4.0% | EDGAR |
| SC 13G/A | 2012-02-13 | BlackRock Inc. | KILROY REALTY CORP | 6,059,399 | 10.4% | EDGAR |
| SC 13G | 2012-02-13 | LASALLE INVESTMENT MANAGEMENT SECURITIES LP | KILROY REALTY CORP | 0 | 0.0% | EDGAR |
| SC 13G/A | 2012-02-10 | PRICE T ROWE ASSOCIATES INC /MD/ | KILROY REALTY CORP | 5,905,760 | 10.1% | EDGAR |
| SC 13G/A | 2012-02-10 | HEITMAN REAL ESTATE SECURITIES LLC | KILROY REALTY CORP | 25,500 | 0.0% | EDGAR |
| SC 13G/A | 2012-02-09 | VANGUARD GROUP INC | KILROY REALTY CORP | 6,210,393 | 10.6% | EDGAR |
| SC 13G/A | 2012-02-09 | BlackRock Inc. | KILROY REALTY CORP | 5,649,060 | 9.7% | EDGAR |
| SC 13G/A | 2012-02-08 | Invesco Ltd. | KILROY REALTY CORP | 4,472,094 | 7.6% | EDGAR |
| SC 13G/A | 2012-01-27 | VANGUARD SPECIALIZED FUNDS | KILROY REALTY CORP | 3,240,014 | 5.5% | EDGAR |
| SC 13G | 2012-01-13 | Daiwa Asset Management Co. Ltd | KILROY REALTY CORP | 3,187,606 | 5.4% | EDGAR |
| SC 13G/A | 2011-06-10 | COHEN & STEERS INC | KILROY REALTY CORP | 7,048,539 | 12.1% | EDGAR |
| SC 13G/A | 2011-02-14 | HEITMAN REAL ESTATE SECURITIES LLC | KILROY REALTY CORP | 181,000 | 5.2% | EDGAR |
| SC 13G/A | 2011-02-14 | HIGH RISE CAPITAL MANAGEMENT LP | KILROY REALTY CORP | - | - | EDGAR |
| SC 13G/A | 2011-02-14 | COHEN & STEERS INC | KILROY REALTY CORP | 0 | 0.0% | EDGAR |
| SC 13G | 2011-02-14 | AEW CAPITAL MANAGEMENT L P/MA | KILROY REALTY CORP | 2,356,590 | 5.6% | EDGAR |
| SC 13G | 2011-02-11 | LASALLE INVESTMENT MANAGEMENT SECURITIES LP | KILROY REALTY CORP | 175,399 | 0.3% | EDGAR |
| SC 13G/A | 2011-02-10 | PRICE T ROWE ASSOCIATES INC /MD/ | KILROY REALTY CORP | 5,884,320 | 11.2% | EDGAR |
| SC 13G/A | 2011-02-10 | Invesco Ltd. | KILROY REALTY CORP | 3,154,847 | 6.0% | EDGAR |
| SC 13G/A | 2011-02-10 | VANGUARD GROUP INC | KILROY REALTY CORP | 5,287,908 | 10.1% | EDGAR |
| SC 13G | 2011-02-10 | VANGUARD SPECIALIZED FUNDS | KILROY REALTY CORP | 2,768,020 | 5.3% | EDGAR |