Latest Period
Q1 2026
Security Snapshot
KILROY REALTY CORP - Common Stock, par value $0.01 per share (KRC) Institutional Ownership
CUSIP: 49427F108
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
340
Shares (Excl. Options)
136,054,413
Price
$28.21
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- Security type / class
- Equity / Common Stock, par value $0.01 per share
- Symbol
- KRC on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 136,054,413
- Total 13F value
- $3,844,149,748
- Portfolio coverage rank
- 0%
- Share change
- -12,344,446
- Value change
- -$471,777,234
- Number of holders
- 340
- Shares outstanding
- 118,685,021
- SEC-reported price per share
- $33.54
- Insider filing price
- $33.54
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- KRC - KILROY REALTY CORP - Common Stock, par value $0.01 per share is tracked under CUSIP 49427F108.
- 340 institutions reported positions in Q1 2026.
- 8 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 374 to 340 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $5,541,932,673 to $3,844,149,748.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 340 institutions filings for Q1 2026.
Security key
49427F108
Latest holder period
Q1 2026
13F holders
340
13D/G owners
8
CIK / CUSIP context first
Open Q1 2026 holders
KRC full holder history
KILROY REALTY CORP SEC filings
KILROY REALTY CORP company facts
KILROY REALTY CORP insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 49427F108:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
8
Security
KRC
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 12% | -8.5% | $443,189,161 | -$42,677,450 | 13,691,355 | -8.8% | BlackRock, Inc. | 31 Mar 2025 |
| D1 Capital Partners L.P. | 9.5% | +7.8% | $318,182,673 | +$24,688,690 | 11,275,077 | +8.4% | D1 Capital Partners L.P. | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8.3% | $278,824,086 | 9,883,874 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| COHEN & STEERS, INC. | 6.7% | -18% | $224,512,986 | -$46,942,051 | 7,955,811 | -17% | Cohen & Steers, Inc. | 31 Mar 2026 |
| NORGES BANK | 5.8% | -24% | $192,479,505 | -$63,109,289 | 6,820,677 | -25% | Norges Bank | 31 Mar 2026 |
| STATE STREET CORP | 5.3% | $176,565,852 | 6,256,763 | STATE STREET CORPORATION | 31 Mar 2026 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $172,395,852 | 6,111,161 | Vanguard Capital Management | 31 Mar 2026 | |||
| FMR LLC | 4.2% | -28% | $185,694,313 | -$76,461,412 | 4,969,074 | -29% | FMR LLC | 31 Dec 2025 |
As of 31 Mar 2026, 340 institutional investors reported holding 136,054,413 shares of KILROY REALTY CORP - Common Stock, par value $0.01 per share (KRC). This represents 115% of the company’s total 118,685,021 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
88%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13% | 15,049,691 | +1.2% | 0.01% | $424,551,778 |
| D1 Capital Partners L.P. | 9.5% | 11,275,077 | +8.4% | 2.8% | $318,069,922 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8.3% | 9,869,647 | 0% | 0.01% | $278,422,742 |
| COHEN & STEERS, INC. | 6.7% | 7,945,504 | -17% | 0.39% | $224,143,000 |
| STATE STREET CORP | 5.3% | 6,256,763 | +11% | 0.01% | $179,717,167 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.4% | 5,187,932 | 0% | 0% | $146,351,562 |
| RUSH ISLAND MANAGEMENT, LP | 4.1% | 4,860,742 | +85% | 9.2% | $137,121,532 |
| APG Asset Management US Inc. | 4% | 4,692,783 | +9.4% | 1% | $131,773,347 |
| Daiwa Securities Group Inc. | 3.9% | 4,643,089 | +33% | 0.38% | $130,981,540 |
| PRINCIPAL FINANCIAL GROUP INC | 3.8% | 4,562,243 | -13% | 0.07% | $128,701,305 |
| Route One Investment Company, L.P. | 3.4% | 4,049,563 | +38% | 5% | $114,238,172 |
| T. Rowe Price Investment Management, Inc. | 2.4% | 2,804,128 | +0.29% | 0.05% | $79,105,000 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.1% | 2,465,972 | +6.8% | 0.01% | $69,565,070 |
| GEODE CAPITAL MANAGEMENT, LLC | 2% | 2,376,212 | +3.1% | 0% | $67,047,085 |
| NORTHERN TRUST CORP | 1.8% | 2,183,314 | -28% | 0.01% | $61,591,287 |
| GOLDMAN SACHS GROUP INC | 1.8% | 2,182,333 | +149% | 0.01% | $61,563,616 |
| OAKTREE CAPITAL MANAGEMENT LP | 1.6% | 1,850,011 | 0% | 0.9% | $52,188,810 |
| UBS Group AG | 1.5% | 1,777,425 | +74% | 0.01% | $50,141,159 |
| DIMENSIONAL FUND ADVISORS LP | 1.4% | 1,717,068 | +3.4% | 0.01% | $48,439,792 |
| FEDERATED HERMES, INC. | 1.4% | 1,689,946 | +6.2% | 0.08% | $47,673,379 |
| BANK OF AMERICA CORP /DE/ | 1.4% | 1,621,580 | +118% | 0% | $45,744,771 |
| MORGAN STANLEY | 1.3% | 1,541,303 | -42% | 0% | $43,480,190 |
| PGGM Investments | 1.3% | 1,488,479 | -43% | 0.74% | $41,990,000 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.2% | 1,446,095 | -2.8% | 0% | $40,796,000 |
| Quantinno Capital Management LP | 1.2% | 1,414,973 | -30% | 0.07% | $39,916,409 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 136,054,413 | $3,844,149,748 | -$471,777,234 | $28.21 | 340 |
| 2025 Q4 | 148,232,619 | $5,541,932,673 | +$227,795,796 | $37.37 | 374 |
| 2025 Q3 | 140,307,340 | $5,931,033,811 | +$120,966,784 | $42.25 | 354 |
| 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 |