KILROY RLTY CORP KRC
COM · REIT · CUSIP 49427F108 · ISIN US49427F1084
- SectorReal estate
- IndustryReal Estate Investment Trusts
- HeadquartersLos Angeles, CA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($3.1m this quarter). Holder counts are more reliable. Shares outstanding: 116.3m as of 2026-04-23, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $28.25. Options: 3 managers hold calls ($2.4m notional), 5 hold puts ($5.6m).
Trends to Q1 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 280 |
| Q4 2022 | 293 |
| Q1 2023 | 272 |
| Q2 2023 | 280 |
| Q3 2023 | 287 |
| Q4 2023 | 312 |
| Q1 2024 | 315 |
| Q2 2024 | 316 |
| Q3 2024 | 321 |
| Q4 2024 | 337 |
| Q1 2025 | 320 |
| Q2 2025 | 326 |
| Q3 2025 | 357 |
| Q4 2025 | 375 |
| Q1 2026 | 342 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2024 | 170 | 143 |
| Q3 2024 | 150 | 158 |
| Q4 2024 | 170 | 145 |
| Q1 2025 | 174 | 154 |
| Q2 2025 | 175 | 155 |
| Q3 2025 | 207 | 126 |
| Q4 2025 | 186 | 163 |
| Q1 2026 | 169 | 201 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $5.1m | $3.3m | 0.65 |
| Q3 2025 | $21.1m | $8.9m | 0.42 |
| Q4 2025 | $9.1m | $7.2m | 0.78 |
| Q1 2026 | $2.4m | $5.6m | 2.37 |
Biggest buyers
| RUSH ISLAND MANAGEMENT, LP | Added | +2.2m |
| GOLDMAN SACHS GROUP INC | Added | +1.3m |
| Daiwa Securities Group Inc. | Added | +1.2m |
| Route One Investment Company, L.P. | Added | +1.1m |
| Long Pond Capital, LP | New | +1.0m |
| BANK OF AMERICA CORP /DE/ | Added | +877.9k |
| D1 Capital Partners L.P. | Added | +874.9k |
| Schonfeld Strategic Advisors LLC | New | +780.5k |
| UBS Group AG | Added | +754.2k |
| STATE STREET CORP | Added | +625.6k |
Biggest sellers
| FMR LLC | Reduced | -4.0m |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | -2.2m |
| COHEN & STEERS, INC. | Reduced | -1.6m |
| DEUTSCHE BANK AG\ | Reduced | -1.4m |
| Situational Awareness LP | Sold out | -1.3m |
| PGGM Investments | Reduced | -1.1m |
| MORGAN STANLEY | Reduced | -1.1m |
| T. Rowe Price Investment Management, Inc. | Reduced | -1.1m |
| NORTHERN TRUST CORP | Reduced | -860.1k |
| Russell Investments Group, Ltd. | Reduced | -681.1k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $1.4m50.5k shares |
| GROUP ONE TRADING LLC | Added | $654.5k23.2k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $296.2k10.5k shares |
Biggest puts
| Parallax Volatility Advisers, L.P. | New | $4.8m150.0k shares |
| CITADEL ADVISORS LLC | Added | $598.1k21.2k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $234.1k8.3k shares |
| SIMPLEX TRADING, LLC | Reduced | $11.3k400 shares |
| GROUP ONE TRADING LLC | Reduced | $2.8k100 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution -1.1 pts · filed 2025-04-30 | 11.6% |
| D1 Capital Partners L.P. 13G · passive investor +0.7 pts · filed 2026-05-15 | 9.5% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 8.3% |
| STATE STREET CORP 13G · institution new · filed 2026-05-12 | 5.3% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.2% |
Fell to 5% or below in the last year: COHEN & STEERS, INC. (5.0%, 2026-08-14), NORGES BANK (2.0%, 2026-08-12), VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), FMR LLC (4.2%, 2026-02-05)
Insider purchases and sales in Q1 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2024 | 0 | — | 2 | $512.4k | — |
| Q3 2024 | 0 | — | 3 | $680.9k | — |
| Q4 2024 | 0 | — | 3 | $943.8k | — |
| Q1 2025 | 1 | $99.2k | 2 | $349.1k | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 0 | — | 3 | $545.3k | — |
| Q4 2025 | 0 | — | 1 | $165.6k | — |
| Q1 2026 | 0 | — | 0 | — | — |
None reported in Q1 2026.
Holders, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.01% of their portfolio | 15.0m $424.6m | Added +182.2k |
| D1 Capital Partners L.P. 2.83% of their portfolio | 11.3m $318.1m | Added +874.9k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.01% of their portfolio | 9.9m $278.4m | First filing |
| COHEN & STEERS, INC. 0.39% of their portfolio | 7.9m $224.1m | Reduced -1.6m |
| STATE STREET CORP 0.01% of their portfolio | 6.3m $179.7m | Added +625.6k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 5.2m $146.4m | First filing |
| RUSH ISLAND MANAGEMENT, LP 9.20% of their portfolio | 4.9m $137.1m | Added +2.2m |
| APG Asset Management US Inc. 1.02% of their portfolio | 4.7m $131.8m | Added +405.2k |
| Daiwa Securities Group Inc. 0.38% of their portfolio | 4.6m $131.0m | Added +1.2m |
| PRINCIPAL FINANCIAL GROUP INC 0.07% of their portfolio | 4.6m $128.7m | Reduced -666.4k |
| Route One Investment Company, L.P. 5.00% of their portfolio | 4.0m $114.2m | Added +1.1m |
| T. Rowe Price Investment Management, Inc. 0.05% of their portfolio | 2.8m $79.1m | Reduced -1.1m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 2.5m $69.6m | Added +156.2k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 2.4m $67.0m | Added +71.2k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 2.2m $61.6m | Reduced -860.1k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 2.2m $61.6m | Added +1.3m |
| OAKTREE CAPITAL MANAGEMENT LP 0.88% of their portfolio | 1.9m $52.2m | Unchanged |
| UBS Group AG 0.01% of their portfolio | 1.8m $50.1m | Added +754.2k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 1.7m $48.4m | Added +56.8k |
| FEDERATED HERMES, INC. 0.08% of their portfolio | 1.7m $47.7m | Added +98.2k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 1.6m $45.7m | Added +877.9k |
| MORGAN STANLEY 0.00% of their portfolio | 1.5m $43.5m | Reduced -1.1m |
| PGGM Investments 0.74% of their portfolio | 1.5m $42.0m | Reduced -1.1m |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 1.4m $40.8m | Reduced -41.7k |
| Quantinno Capital Management LP 0.07% of their portfolio | 1.4m $39.9m | Reduced -597.8k |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.06% of their portfolio | 1.2m $35.0m | Reduced -320.6k |
| VICTORY CAPITAL MANAGEMENT INC 0.02% of their portfolio | 1.2m $33.5m | Added +207.4k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 1.1m $32.1m | Added +16.3k |
| Long Pond Capital, LP 3.00% of their portfolio | 1.0m $29.3m | New |
| Divco West Real Estate Services, LLC 40.07% of their portfolio | 1.0m $28.8m | Unchanged |
| Bank of New York Mellon Corp 0.01% of their portfolio | 978.9k $27.6m | Reduced -77.2k |
| FMR LLC 0.00% of their portfolio | 925.0k $26.1m | Reduced -4.0m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio | 897.8k $25.3m | Added +62.6k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 867.3k $24.5m | Added +253.2k |
| Schonfeld Strategic Advisors LLC 0.18% of their portfolio | 780.5k $22.0m | New |
| Philosophy Capital Management LLC 2.47% of their portfolio | 750.0k $21.2m | Reduced -367.9k |
| Legal & General Group Plc 0.00% of their portfolio | 729.8k $20.6m | Reduced -49.2k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 683.9k $19.3m | First filing |
| SEGALL BRYANT & HAMILL, LLC 0.25% of their portfolio | 621.8k $17.5m | New |
| LSV ASSET MANAGEMENT 0.04% of their portfolio | 600.9k $17.0m | Added +15.4k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 515.4k $14.5m | Reduced -2.2m |
| Invesco Ltd. 0.00% of their portfolio | 497.0k $14.0m | Added +7.9k |
| State of Tennessee, Department of Treasury 0.05% of their portfolio | 482.6k $13.6m | Added +88.8k |
| Gotham Asset Management, LLC 0.04% of their portfolio | 477.8k $13.5m | Added +15.7k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.01% of their portfolio | 459.6k $13.0m | New |
| BARCLAYS PLC 0.00% of their portfolio | 415.6k $11.7m | Added +327.5k |
| Aberdeen Group plc 0.02% of their portfolio | 414.8k $11.7m | Reduced -132.0k |
| AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 400.0k $11.3m | Added +71.9k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.01% of their portfolio | 397.8k $11.2m | Added +10.8k |
| WOLVERINE ASSET MANAGEMENT LLC 0.15% of their portfolio | 342.5k $9.7m | Added +206.2k |
| Man Group plc 0.02% of their portfolio | 338.1k $9.5m | Added +330.4k |
| CITIGROUP INC 0.01% of their portfolio | 324.7k $9.2m | Added +208.1k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 319.5k $9.0m | Added +279.4k |
| Alyeska Investment Group, L.P. 0.02% of their portfolio | 312.0k $8.8m | Added +289.7k |
| RHUMBLINE ADVISERS 0.01% of their portfolio | 303.4k $8.6m | Reduced -6.6k |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.01% of their portfolio | 299.2k $8.4m | Reduced -178.1k |
| TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio | 278.3k $7.9m | Added +167.2k |
| California Public Employees Retirement System 0.00% of their portfolio | 265.2k $7.5m | Added +12.8k |
| CANADA LIFE ASSURANCE Co 0.01% of their portfolio | 263.5k $7.4m | Reduced -477 |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 258.7k $7.3m | Reduced -142.0k |
| SummitTX Capital, L.P. 0.23% of their portfolio | 250.5k $7.1m | Added +186.5k |
| SEI INVESTMENTS CO 0.01% of their portfolio | 239.5k $6.8m | Reduced -212.0k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 233.2k $8.7m | Reduced -126.8k |
| Swiss National Bank 0.00% of their portfolio | 221.6k $6.3m | Unchanged |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.01% of their portfolio | 211.1k $6.0m | Added +119.4k |
| NAN FUNG TRINITY (HK) LTD 0.65% of their portfolio | 210.8k $5.9m | Unchanged |
| Corient Private Wealth LP 0.01% of their portfolio | 209.1k $5.8m | Reduced -101.1k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 206.8k $5.8m | Added +136.4k |
| Sumitomo Mitsui Trust Group, Inc. 0.00% of their portfolio | 195.2k $5.5m | Added +4.3k |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. 0.05% of their portfolio | 193.7k $5.5m | New |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 186.8k $5.3m | Reduced -75.9k |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 186.8k $5.3m | Added +30.7k |
| Taproot Management LP 0.97% of their portfolio | 181.2k $5.1m | Added +43.9k |
| Nuveen, LLC 0.00% of their portfolio | 180.2k $5.1m | Reduced -26.2k |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.02% of their portfolio | 172.1k $4.9m | Reduced -18.0k |
| Lighthouse Investment Partners, LLC 0.18% of their portfolio | 170.6k $4.8m | New |
| NOMURA ASSET MANAGEMENT CO LTD 0.01% of their portfolio | 169.2k $4.8m | Added +4.4k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 158.7k $4.5m | Reduced -681.1k |
| Asset Management One Co., Ltd. 0.01% of their portfolio | 148.0k $4.2m | Reduced -5.2k |
| Allianz Asset Management GmbH 0.00% of their portfolio | 146.1k $4.1m | Added +42.3k |
| Robeco Institutional Asset Management B.V. 0.01% of their portfolio | 143.2k $4.0m | Unchanged |
| STRS OHIO 0.02% of their portfolio | 142.8k $4.0m | Added +24.5k |
| Retirement Systems of Alabama 0.01% of their portfolio | 133.7k $3.8m | Added +3.0k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 133.1k $3.8m | Added +26.0k |
| Creative Planning 0.00% of their portfolio | 129.4k $3.7m | Added +71.6k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.01% of their portfolio | 121.1k $3.4m | Unchanged |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 119.7k $3.4m | Added +8.3k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 117.1k $3.3m | Reduced -3.4k |
| Bayhunt Capital LLC 3.78% of their portfolio | 106.9k $4.0m | New |
| Vanguard Investments Australia, Ltd. 0.01% of their portfolio | 105.0k $3.0m | First filing |
| VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio | 104.5k $2.9m | First filing |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 99.2k $2.8m | Unchanged |
| HF Advisory Group, LLC 0.94% of their portfolio | 97.8k $2.8m | Added +27.8k |
| ExodusPoint Capital Management, LP 0.03% of their portfolio | 95.1k $2.7m | Added +2.3k |
| State of New Jersey Common Pension Fund D 0.01% of their portfolio | 87.5k $2.5m | Added +17.2k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.00% of their portfolio | 87.3k $2.5m | Added +1.5k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 85.3k $2.4m | Added +6.5k |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.01% of their portfolio | 80.6k $2.3m | Added +14.9k |
| Glendon Capital Management LP 0.28% of their portfolio | 79.4k $2.2m | New |
| KBC Group NV 0.01% of their portfolio | 78.8k $2.2m | Added +75.0k |