| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | 13% | $674,287,100 | 15,959,458 | The Vanguard Group | 30 Sep 2025 | |||
| COHEN & STEERS, INC. | 13% | -9.6% | $647,302,702 | -$66,769,365 | 15,320,774 | -9.4% | Cohen & Steers, Inc. | 30 Sep 2025 |
| BlackRock, Inc. | 12% | -8.5% | $443,189,161 | -$42,677,450 | 13,691,355 | -8.8% | BlackRock, Inc. | 31 Mar 2025 |
| NORGES BANK | 7.7% | $293,175,381 | 9,057,009 | Norges Bank | 31 Dec 2024 | |||
| D1 Capital Partners L.P. | 7.2% | $358,392,132 | 8,482,654 | D1 Capital Partners L.P. | 30 Sep 2025 | |||
| FMR LLC | 5.9% | $296,389,596 | 7,015,138 | FMR LLC | 30 Sep 2025 |
As of 30 Sep 2025, 350 institutional investors reported holding 140,315,234 shares of KILROY REALTY CORP - Common Stock, par value $0.01 per share (KRC). This represents 119% of the company’s total 117,814,639 outstanding shares.
The largest institutional shareholders of KILROY REALTY CORP - Common Stock, par value $0.01 per share (KRC) together control 96% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 14% | 15,959,458 | -0.23% | 0.01% | $674,287,102 |
| COHEN & STEERS, INC. | 13% | 15,144,915 | -9.4% | 1.2% | $639,897,000 |
| BlackRock, Inc. | 12% | 14,688,953 | -7.6% | 0.01% | $620,608,277 |
| D1 Capital Partners L.P. | 7.2% | 8,482,654 | +350% | 4.1% | $358,392,132 |
| FMR LLC | 6% | 7,045,103 | +61% | 0.02% | $297,655,576 |
| STATE STREET CORP | 4.9% | 5,755,663 | -1.5% | 0.01% | $246,224,211 |
| APG Asset Management US Inc. | 3.6% | 4,287,628 | 0% | 1.3% | $180,723,520 |
| PRINCIPAL FINANCIAL GROUP INC | 3.6% | 4,234,367 | -3.2% | 0.09% | $178,902,325 |
| Daiwa Securities Group Inc. | 3% | 3,578,185 | +0.43% | 0.51% | $151,178,000 |
| NORTHERN TRUST CORP | 2.7% | 3,149,816 | +3.8% | 0.02% | $133,079,728 |
| T. Rowe Price Investment Management, Inc. | 2.6% | 3,092,875 | -0.98% | 0.08% | $130,674,000 |
| RUSH ISLAND MANAGEMENT, LP | 2.4% | 2,791,863 | -31% | 8.1% | $117,956,212 |
| Route One Investment Company, L.P. | 2.2% | 2,619,611 | +162% | 4.4% | $110,678,565 |
| PGGM Investments | 2.1% | 2,480,570 | -20% | 1.7% | $104,804,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 2,269,704 | +4% | 0.01% | $95,909,694 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.9% | 2,258,478 | +1.5% | 0.02% | $95,420,695 |
| DEUTSCHE BANK AG\ | 1.9% | 2,231,996 | +3356% | 0.03% | $94,301,832 |
| OAKTREE CAPITAL MANAGEMENT LP | 1.6% | 1,850,011 | 0% | 1.3% | $78,162,964 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.4% | 1,706,903 | +1.9% | 0.01% | $72,118,000 |
| Quantinno Capital Management LP | 1.4% | 1,668,154 | +93% | 0.19% | $70,479,514 |
| DIMENSIONAL FUND ADVISORS LP | 1.4% | 1,639,596 | +0.85% | 0.01% | $69,273,900 |
| MACQUARIE GROUP LTD | 1.4% | 1,627,281 | +10% | 0.08% | $68,752,801 |
| FEDERATED HERMES, INC. | 1.3% | 1,494,985 | +6.4% | 0.11% | $63,163,126 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.2% | 1,395,211 | 0.01% | $58,947,665 | |
| UBS Group AG | 1.1% | 1,299,995 | +30% | 0.01% | $54,924,788 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1,269,024 | $46,959,261 | +$7,878,961 | $37.37 | 31 |
| 2025 Q3 | 140,315,234 | $5,931,382,754 | +$119,100,690 | $42.25 | 350 |
| 2025 Q2 | 139,837,547 | $4,802,324,268 | +$576,074,046 | $34.31 | 322 |
| 2025 Q1 | 123,000,962 | $4,043,817,446 | -$292,931,603 | $32.76 | 315 |
| 2024 Q4 | 128,815,361 | $5,210,431,364 | +$292,897,684 | $40.45 | 337 |
| 2024 Q3 | 120,677,270 | $4,670,457,826 | +$40,528,941 | $38.70 | 319 |
| 2024 Q2 | 119,687,271 | $3,734,316,804 | -$135,541,224 | $31.17 | 316 |
| 2024 Q1 | 123,331,226 | $4,481,570,107 | +$25,420,957 | $36.43 | 313 |
| 2023 Q4 | 122,719,030 | $4,893,004,539 | +$35,885,211 | $39.84 | 308 |
| 2023 Q3 | 122,020,675 | $3,860,258,941 | +$92,232,940 | $31.61 | 286 |
| 2023 Q2 | 119,107,222 | $3,588,927,561 | +$12,393,503 | $30.09 | 276 |
| 2023 Q1 | 118,046,101 | $3,826,941,382 | +$66,289,613 | $32.40 | 270 |
| 2022 Q4 | 115,359,309 | $4,465,839,701 | -$22,493,075 | $38.67 | 290 |
| 2022 Q3 | 114,485,148 | $4,823,840,874 | -$10,988,637 | $42.11 | 273 |
| 2022 Q2 | 113,842,199 | $5,969,363,142 | -$204,514,545 | $52.33 | 273 |
| 2022 Q1 | 117,298,758 | $8,961,873,792 | +$251,869,275 | $76.42 | 279 |
| 2021 Q4 | 114,120,865 | $7,587,904,671 | -$28,007,239 | $66.46 | 299 |
| 2021 Q3 | 114,374,786 | $7,585,159,887 | -$115,910,917 | $66.21 | 281 |
| 2021 Q2 | 116,186,460 | $8,094,839,256 | +$74,665,893 | $69.64 | 285 |
| 2021 Q1 | 115,349,108 | $7,573,691,725 | +$59,152,119 | $65.63 | 287 |
| 2020 Q4 | 115,772,731 | $6,643,944,977 | -$115,546,685 | $57.40 | 275 |
| 2020 Q3 | 117,798,943 | $6,122,871,556 | -$90,318,594 | $51.96 | 254 |
| 2020 Q2 | 119,041,692 | $7,002,280,169 | +$96,212,739 | $58.70 | 264 |
| 2020 Q1 | 118,697,356 | $7,562,712,749 | +$426,244,210 | $63.70 | 263 |
| 2019 Q4 | 111,677,684 | $9,371,218,941 | +$241,703,197 | $83.90 | 275 |
| 2019 Q3 | 108,866,849 | $8,481,853,656 | -$199,609,500 | $77.89 | 276 |
| 2019 Q2 | 108,878,359 | $8,036,806,743 | +$58,191,703 | $73.81 | 271 |
| 2019 Q1 | 109,170,234 | $8,295,773,354 | -$23,731,190 | $75.96 | 256 |
| 2018 Q4 | 109,628,477 | $6,895,924,154 | +$72,362,415 | $62.88 | 250 |
| 2018 Q3 | 108,232,598 | $7,760,424,073 | +$358,187,259 | $71.69 | 266 |
| 2018 Q2 | 103,214,338 | $7,808,404,304 | -$13,620,755 | $75.64 | 266 |
| 2018 Q1 | 103,607,927 | $7,354,998,995 | -$231,514,923 | $70.96 | 249 |
| 2017 Q4 | 104,071,898 | $7,768,053,309 | +$373,244,979 | $74.65 | 260 |
| 2017 Q3 | 98,966,599 | $7,037,584,897 | -$309,335,994 | $71.12 | 248 |
| 2017 Q2 | 103,217,555 | $7,756,341,381 | +$60,732,408 | $75.15 | 257 |
| 2017 Q1 | 102,477,538 | $7,385,648,127 | +$1,035,312,658 | $72.08 | 268 |
| 2016 Q4 | 97,972,504 | $7,172,180,441 | -$118,524,231 | $73.22 | 269 |
| 2016 Q3 | 101,606,306 | $7,031,547,608 | -$195,201,744 | $69.35 | 260 |
| 2016 Q2 | 104,457,607 | $6,923,839,634 | +$40,234,903 | $66.29 | 249 |
| 2016 Q1 | 103,731,694 | $6,416,831,337 | +$192,503,633 | $61.87 | 241 |
| 2015 Q4 | 100,671,367 | $6,371,666,071 | +$119,527,814 | $63.28 | 252 |
| 2015 Q3 | 98,642,611 | $6,426,879,652 | +$15,344,217 | $65.16 | 232 |
| 2015 Q2 | 98,546,566 | $6,617,646,893 | +$324,678,594 | $67.15 | 222 |
| 2015 Q1 | 101,198,029 | $7,708,683,912 | +$195,464,658 | $76.17 | 233 |
| 2014 Q4 | 91,351,849 | $6,312,882,979 | -$18,411,602 | $69.07 | 221 |
| 2014 Q3 | 93,114,510 | $5,534,985,758 | +$20,577,268 | $59.44 | 221 |
| 2014 Q2 | 92,769,078 | $5,781,324,304 | -$34,476,687 | $62.28 | 227 |
| 2014 Q1 | 93,369,306 | $5,474,544,725 | +$142,522,598 | $58.58 | 214 |