Ticker · CUSIP 49427F108

KRC

REIT

KILROY RLTY CORP

Real Estate·REIT - Office

···Share

Holders (tracked)

Combined shares

26,595,879

Combined value

$70.06B

Last close

$31.45

Quarter

2025Q4

Price is -98.8% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$31.45+1.57 (+5.25%)H $42.43 · L $27.45 · Avg Vol 1.6M

Tracked holders · last 8 quarters

+3 vs previous quarter over the last 8.

SEC event timeline

21 events

Ken Griffin (Citadel Advisors) trimmed2026-02-17
−66,624 shares · 2025Q4
Position
D.E. Shaw & Co. added2026-02-17
+60,172 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+80,961 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) opened position2026-02-17
+40,085 shares · 2025Q4
Position
T. Rowe Price trimmed2026-02-17
−219,136 shares · 2025Q4
Position
Wellington Management added2026-02-17
+1,305,704 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+32,076 shares · 2025Q4
Position
Dan Sundheim (D1 Capital) added2026-02-17
+1,917,558 shares · 2025Q4
Position
Ron Baron (Baron Capital / BAMCO) added2026-02-17
+74,028 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+46,218 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+9,101,700 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) exited2025-11-14
−180,578 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+153 shares · 2025Q3
Position
D.E. Shaw & Co. opened position2025-11-14
+240,455 shares · 2025Q3
Position
AQR Capital Management trimmed2025-11-14
−134,759 shares · 2025Q3
Position
Wellington Management opened position2025-11-14
+1,395,211 shares · 2025Q3
Position
Ron Baron (Baron Capital / BAMCO) opened position2025-11-14
+68,969 shares · 2025Q3
Position
Dan Sundheim (D1 Capital) added2025-11-14
+6,595,654 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+32,340 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−9,057,009 shares · 2025Q3
Position
Renaissance Technologies exited2025-11-13
−355,700 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for KRC →

Follow-the-investor returns

If you'd copied each holder of KRC…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Paul Tudor Jones (Tudor Investment)	2016Q2	$32.87	-4.3%	$1.0M
Two Sigma Investments	2016Q1	$36.59	-14.0%	$3.5M
AQR Capital Management	2016Q1	$36.85	-14.6%	$10.3M
Ken Griffin (Citadel Advisors)	2016Q1	$38.24	-17.7%	$2.2M
Ken Griffin (Citadel Advisors)	2016Q1	$38.24	-17.7%	$2.2M
Ken Griffin (Citadel Advisors)	2016Q1	$38.24	-17.7%	$2.2M
Ron Baron (Baron Capital / BAMCO)	2018Q1	$39.55	-20.5%	$4.5M
Izzy Englander (Millennium Mgmt)	2016Q2	$39.58	-20.5%	$1.3M
D.E. Shaw & Co.	2016Q3	$40.90	-23.1%	$9.5M
Wellington Management	2020Q1	$44.12	-28.7%	$84.9M
Dan Sundheim (D1 Capital)	2020Q1	$44.42	-29.2%	$327.1M
T. Rowe Price	2016Q1	$46.23	-32.0%	$46.8M
Norges Bank (Norway SWF)	2016Q1	$70.02	-55.1%	$286.2M
Howard Marks (Oaktree Capital)	2021Q1	$32316.04	-99.9%	$58.2M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions3

Norges Bank (Norway SWF)
+9,101,700
$340.1M
Izzy Englander (Millennium Mgmt)
+40,085
$1.5M
Paul Tudor Jones (Tudor Investment)
+32,076
$1.2M

Added to6

Dan Sundheim (D1 Capital)
+1,917,558
$71.7M
Wellington Management
+1,305,704
$48.8M
Two Sigma Investments
+80,961
$3.0M
Ron Baron (Baron Capital / BAMCO)
+74,028
$2.8M
D.E. Shaw & Co.
+60,172
$2.2M
AQR Capital Management
+46,218
$1.7M

Trimmed2

Ken Griffin (Citadel Advisors)
−66,624
$2.5M
T. Rowe Price
−219,136
$8K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	10	25,776,349	$693.41B	—
2022Q2	10	26,454,886	$474.86B	—
2022Q3	13	28,169,789	$1.19B	+3
2022Q4	13	30,288,875	$1.17B	—
2023Q1	13	31,350,317	$1.01B	—
2023Q2	13	29,188,035	$56.49B	—
2023Q3	13	30,376,476	$59.38B	—
2023Q4	11	30,160,850	$74.83B	-2
2024Q1	15	31,046,942	$68.46B	+4
2024Q2	13	33,776,276	$58.66B	-2
2024Q3	12	16,350,479	$72.16B	-1
2024Q4	12	17,345,021	$75.46B	—
2025Q1	13	7,961,617	$60.81B	+1
2025Q2	11	15,927,281	$63.96B	-2
2025Q3	11	14,227,437	$78.69B	—
2025Q4	14	26,595,879	$70.06B	+3

Who owns KRC

14 super-investors · 2025Q4

Tracked stake

26.60M

Combined value

$70.06B

% of shares outstanding

—

shares-out unknown

Quarter action mix

New3Added6Trim4Held1

#	Manager	Shares	Value	% of book	Last action
1	Howard Marks Oaktree Capital	1.85M	$69.13B	1.0%	Held
2	Dan Sundheim D1 Capital	10.40M	$389M	3.6%	Added+1.92M
3	Norges Bank Norway SWF	9.10M	$340M	0.0%	New+9.10M
4	Wellington Management	2.70M	$101M	0.0%	Added+1.31M
5	T. Rowe Price	1.49M	$56M	0.0%	Trim−219.1K
6	AQR Capital Management	328.1K	$12M	0.0%	Added+46.2K
7	D.E. Shaw & Co.	300.6K	$11M	0.0%	Added+60.2K
8	Ron Baron Baron Capital / BAMCO	143.0K	$5M	0.0%	Added+74.0K
9	Two Sigma Investments	111.1K	$4M	0.0%	Added+81.0K
10	Ken Griffin Citadel Advisors	70.4K	$3M	0.0%	Trim−66.6K
11	Izzy Englander Millennium Mgmt	40.1K	$1M	0.0%	New+40.1K
12	Paul Tudor Jones Tudor Investment	32.1K	$1M	0.0%	New+32.1K
13	Ken Griffin Citadel Advisors	17.0K	$635K	0.0%	Trim−66.6K
14	Ken Griffin Citadel Advisors	12.9K	$482K	0.0%	Trim−66.6K

Recent moves

20 transactions

ADDAQR Capital Management
+46,218 · 2025Q4
ADDWellington Management
+1,305,704 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+32,076 · 2025Q4
NEWIzzy Englander (Millennium Mgmt)
+40,085 · 2025Q4
TRIMKen Griffin (Citadel Advisors)
−66,624 · 2025Q4
ADDTwo Sigma Investments
+80,961 · 2025Q4
ADDDan Sundheim (D1 Capital)
+1,917,558 · 2025Q4
TRIMT. Rowe Price
−219,136 · 2025Q4
ADDD.E. Shaw & Co.
+60,172 · 2025Q4
ADDRon Baron (Baron Capital / BAMCO)
+74,028 · 2025Q4
NEWNorges Bank (Norway SWF)
+9,101,700 · 2025Q4
NEWWellington Management
+1,395,211 · 2025Q3
TRIMAQR Capital Management
−134,759 · 2025Q3
ADDTwo Sigma Investments
+153 · 2025Q3
SOLDIzzy Englander (Millennium Mgmt)
−180,578 · 2025Q3
NEWD.E. Shaw & Co.
+240,455 · 2025Q3
ADDDan Sundheim (D1 Capital)
+6,595,654 · 2025Q3
ADDT. Rowe Price
+32,340 · 2025Q3
NEWRon Baron (Baron Capital / BAMCO)
+68,969 · 2025Q3
SOLDNorges Bank (Norway SWF)
−9,057,009 · 2025Q3

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