KILROY REALTY CORP - Common Stock, par value $0.01 per share (KRC)

Historical Holders from Q1 2014 to Q4 2025

Type / Class: Equity / Common Stock, par value $0.01 per share
Symbol: KRC on NYSE
Shares outstanding: 117,814,639
Price per share: $37.37
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares as of 30 Sep 2025: 140,305,559
Total reported value: $5,930,909,745
% of total 13F portfolios: 0%
Share change: +135,868
Value change: +$118,870,164
Avg buy value change: +0%
Avg sell value change: -0%
Number of holders: 349
Price from insider filings: $39.82

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Significant Owners of KILROY REALTY CORP - Common Stock, par value $0.01 per share (KRC) based on Schedule 13D/G filings

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%	$401,567,442	-$38,669,435	13,691,355	-8.8%	BlackRock, Inc.	31 Mar 2025
NORGES BANK	7.7%		$265,642,074		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, KILROY REALTY CORP - Common Stock, par value $0.01 per share (KRC) has 349 institutional shareholders filing 13F forms. They hold 140,305,559 shares. .

Top 25 institutional shareholders own 96% of the company.

Filer	Ownership	Nb Shares	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

Institutional Holders of KILROY REALTY CORP - Common Stock, par value $0.01 per share (KRC) across Reporting Periods

Period	Reported Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price (% of par)	Investors
2025 Q4	259,731	$9,743,720	+$7,454,258			3,737.02%	9
2025 Q3	140,305,559	$5,930,909,745	+$118,870,164	$7,545,850	$20,932,563	4,225%	349
2025 Q2	139,837,547	$4,802,324,268	+$576,073,732	$3,019,785	$4,632,739	3,431%	322
2025 Q1	123,000,962	$4,043,817,164	-$292,931,593	$7,504,039	$6,489,756	3,276%	315
2024 Q4	128,985,321	$5,217,305,870	+$666,138,133	$1,379,345	$7,552,015	4,045%	336
2024 Q3	111,604,796	$4,319,348,405	-$242,384,698	$1,803,420	$1,122,300	3,870%	316
2024 Q2	119,643,582	$3,732,943,820	+$147,018,829	$2,786,598	$1,352,778	3,117%	315
2024 Q1	114,062,150	$4,143,881,213	-$330,316,626	$4,218,594	$2,652,104	3,643%	311
2023 Q4	356,210	$14,196,757	-$476,433			3,984%	5
2023 Q3	112,822,178	$3,569,494,321	+$93,041,205	$1,612,110	$1,245,434	3,161%	284
2023 Q2	108,610,667	$3,273,086,145	-$283,049,609	$2,816,424	$2,608,803	3,009%	273
2023 Q1	117,699,839	$3,815,714,211	+$67,199,536	$9,858,000	$1,221,480	3,240%	268
2022 Q4	111,810,682	$4,328,613,149	-$7,753,389	$390,567	$154,680	3,867%	284
2022 Q3	111,934,754	$4,716,390,811	-$1,863,968	$854,000	$754,000	4,211%	267
2022 Q2	111,017,698	$5,821,084,652	-$39,996,766	$1,554,000	$126,000	5,232.98%	267
2022 Q1	116,788,623	$8,922,884,970	+$232,719,191	$1,360,000	$11,020,000	7,641.99%	273
2021 Q4	113,531,037	$7,548,663,406	-$29,179,362	$1,775,000	$10,195,000	6,646%	294
2021 Q3	113,456,164	$7,524,338,018	-$118,292,099	$2,317,000	$16,010,000	6,621%	278
2021 Q2	116,099,458	$8,088,780,431	+$74,466,991	$2,736,000	$17,884,000	6,963.98%	283
2021 Q1	115,265,374	$7,568,195,608	+$54,018,625	$2,671,000	$9,726,000	6,563%	288
2020 Q4	115,567,890	$6,632,187,145	-$125,692,871	$2,618,000	$6,744,000	5,739.96%	272
2020 Q3	116,478,874	$6,054,279,010	-$116,594,306	$10,070,000	$7,626,000	5,196.01%	250
2020 Q2	114,472,575	$6,720,004,293	+$99,211,937	$11,328,000	$8,980,000	5,869.98%	258
2020 Q1	118,688,173	$7,562,126,749	+$426,737,533	$1,560,000	$1,287,000	6,369.97%	261
2019 Q4	111,677,192	$9,371,181,941	+$241,480,219	$612,000	$1,595,000	8,390%	274
2019 Q3	108,836,280	$8,479,474,656	-$150,914,421	$639,000	$6,870,000	7,788.98%	273
2019 Q2	108,146,685	$7,982,807,743	+$487,776,824	$369,000	$3,875,000	7,380.93%	267
2019 Q1	108,966,755	$8,280,318,354	-$12,149,010	$592,000	$380,000	7,596%	254
2018 Q4	109,621,573	$6,895,494,154	+$72,199,072	$1,418,000	$12,576,000	6,287.97%	248
2018 Q3	108,225,021	$7,759,886,073	+$358,156,539	$610,000	$251,000	7,168.97%	264
2018 Q2	103,199,493	$7,807,281,304	+$334,803,243	$17,478,000	$10,837,000	7,563.99%	263
2018 Q1	103,366,900	$7,337,902,995	-$252,627,828	$17,151,000	$12,641,000	7,096%	246
2017 Q4	104,064,288	$7,767,492,309	+$374,216,471	$239,000		7,464.98%	257
2017 Q3	98,552,134	$7,008,111,897	-$308,691,171	$206,000	$0	7,112%	244
2017 Q2	101,383,096	$7,618,488,381	+$49,714,759	$694,000	$894,000	7,514.99%	253
2017 Q1	102,040,094	$7,354,117,127	+$1,027,877,409	$2,256,000	$2,450,000	7,207.99%	266
2016 Q4	97,833,883	$7,162,135,441	-$126,030,144	$10,829,000	$1,962,000	7,321.99%	266
2016 Q3	101,366,435	$7,014,911,608	-$191,323,443	$3,883,000	$822,399	6,934.99%	255
2016 Q2	104,426,983	$6,921,810,634	+$40,761,586	$3,501,000	$4,217,000	6,629%	247
2016 Q1	101,012,649	$6,248,604,337	+$166,506,853	$161,000	$8,874,000	6,187%	237
2015 Q4	98,862,224	$6,257,183,071	+$84,167,863	$21,199,000	$494,000	6,328%	248
2015 Q3	98,562,589	$6,421,666,652	+$5,315,455	$209,000	$150,000	6,516.01%	229
2015 Q2	97,611,730	$6,554,874,893	+$340,591,922	$1,102,000	$154,000	6,715%	220
2015 Q1	100,786,775	$7,677,362,043	+$190,947,243	$442,000	$328,000	7,617%	233
2014 Q4	91,324,701	$6,311,005,979	-$17,881,008	$41,000	$0	6,907%	220
2014 Q3	93,087,781	$5,533,396,758	+$18,953,561		$1,432,000	5,944.01%	220
2014 Q2	92,761,178	$5,780,832,304	-$34,973,397		$1,614,000	6,227.97%	226
2014 Q1	91,598,838	$5,370,830,725	+$183,549,107	$0	$0	5,857.99%	211