COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

ROYAL BANK OF CANADA's Holding History (CIK: 0001000275)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 1,307,942 Value ($000) $87,945 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 1,276,840 Value ($000) $107,725 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 1,274,804 Value ($000) $102,494 Avg Close $77.90 Range $71.21 - $83.68

Q1 2025

Shares 1,383,183 Value ($000) $109,589 Avg Close $76.08 Range $68.41 - $83.03

Q4 2024

Shares 1,452,442 Value ($000) $103,981 Avg Close $75.52 Range $68.26 - $82.49

Q3 2024

Shares 775,220 Value ($000) $58,483 Avg Close $75.84 Range $70.86 - $81.63

Q2 2024

Shares 847,068 Value ($000) $62,801 Avg Close $84.75 Range $71.90 - $96.98

Q1 2024

Shares 861,700 Value ($000) $83,241 Avg Close $86.08 Range $79.82 - $100.38

Q4 2023

Shares 830,347 Value ($000) $72,563 Avg Close $80.94 Range $67.35 - $89.11

Q3 2023

Shares 726,010 Value ($000) $55,823 Avg Close $82.85 Range $75.78 - $92.30

Q2 2023

Shares 796,707 Value ($000) $70,906 Avg Close $77.21 Range $67.22 - $92.36

Q1 2023

Shares 640,316 Value ($000) $44,086 Avg Close $73.79 Range $65.12 - $81.15

Q4 2022

Shares 318,038 Value ($000) $24,577 Avg Close $78.14 Range $68.86 - $85.37

Q3 2022

Shares 285,480 Value ($000) $19,884 Avg Close $69.42 Range $57.54 - $79.26

Q2 2022

Shares 248,517 Value ($000) $15,014 Avg Close $60.57 Range $53.51 - $68.39

Q1 2022

Shares 275,323 Value ($000) $18,340 Avg Close $66.39 Range $49.00 - $79.73

Q4 2021

Shares 297,926 Value ($000) $23,545 Avg Close $83.91 Range $75.09 - $101.05

Q3 2021

Shares 257,504 Value ($000) $22,161 Avg Close $86.44 Range $80.00 - $90.85

Q2 2021

Shares 207,955 Value ($000) $17,222 Avg Close $86.45 Range $80.52 - $94.35

Q1 2021

Shares 17,035 Value ($000) $14,000 Avg Close $86.33 Range $74.31 - $95.28

Q4 2020

Shares 16,659 Value ($000) $15,397 Avg Close $87.68 Range $78.10 - $95.12

Q3 2020

Shares 14,969 Value ($000) $12,702 Avg Close $79.70 Range $66.20 - $93.90

Q2 2020

Shares 15,175 Value ($000) $10,784 Avg Close $64.65 Range $52.02 - $74.71

Q1 2020

Shares 13,381 Value ($000) $7,858 Avg Close $65.18 Range $50.02 - $74.67

Q4 2019

Shares 16,373 Value ($000) $9,796 Avg Close $58.38 Range $51.00 - $62.35

Q3 2019

Shares 13,237 Value ($000) $7,852 Avg Close $59.86 Range $55.57 - $63.94

Q2 2019

Shares 11,592 Value ($000) $6,423 Avg Close $51.11 Range $46.90 - $56.27

Q1 2019

Shares 10,223 Value ($000) $4,769 Avg Close $41.31 Range $32.51 - $48.49

Q4 2018

Shares 10,576 Value ($000) $3,568 Avg Close $36.53 Range $31.59 - $42.50

Q3 2018

Shares 18,725 Value ($000) $7,882 Avg Close $42.74 Range $39.71 - $44.84

Q2 2018

Shares 19,978 Value ($000) $8,244 Avg Close $38.48 Range $34.22 - $42.25

Q1 2018

Shares 29,121 Value ($000) $10,562 Avg Close $34.47 Range $29.54 - $37.86

Q4 2017

Shares 9,810 Value ($000) $2,913 Avg Close $29.30 Range $26.56 - $31.47

Q3 2017

Shares 9,372 Value ($000) $2,514 Avg Close $27.75 Range $25.54 - $28.80

Q2 2017

Shares 9,326 Value ($000) $2,459 Avg Close $24.32 Range $20.14 - $26.88

Q1 2017

Shares 10,775 Value ($000) $2,234 Avg Close $20.32 Range $18.49 - $21.24

Q4 2016

Shares 9,417 Value ($000) $1,775 Avg Close $19.64 Range $17.92 - $22.44

Q3 2016

Shares 8,739 Value ($000) $1,893 Avg Close $21.29 Range $20.25 - $22.48

Q2 2016

Shares 8,813 Value ($000) $1,927 Avg Close $19.77 Range $17.45 - $21.88

Q1 2016

Shares 20,315 Value ($000) $3,822 Avg Close $17.71 Range $14.65 - $20.50

Q4 2015

Shares 20,754 Value ($000) $4,290 Avg Close $19.90 Range $16.80 - $21.35

Q3 2015

Shares 11,321 Value ($000) $1,959 Avg Close $19.15 Range $16.35 - $22.35

Q2 2015

Shares 8,284 Value ($000) $1,668 Avg Close $20.39 Range $19.23 - $21.67

Q1 2015

Shares 8,280 Value ($000) $1,638 Avg Close $18.88 Range $16.88 - $20.19

Q4 2014

Shares 9,166 Value ($000) $1,683 Avg Close $16.16 Range $13.44 - $18.96

Q3 2014

Shares 6,255 Value ($000) $972 Avg Close $14.90 Range $13.85 - $16.58

Q2 2014

Shares 7,213 Value ($000) $1,141 Avg Close $16.20 Range $14.70 - $19.34

Q1 2014

Shares 5,250 Value ($000) $981 Avg Close $18.86 Range $16.38 - $21.82

Q4 2013

Shares 4,211 Value ($000) $777 Avg Close $17.69 Range $16.07 - $18.84

Q3 2013

Shares 3,341 Value ($000) $561 Avg Close $15.34 Range $12.98 - $17.22

Q2 2013

Shares 2,692 Value ($000) $347 Avg Close $11.32 Range $10.46 - $13.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,307,942	$87,945	$70.84	$62.00 - $85.24
Q3 2025	1,276,840	$107,725	$88.37	$79.94 - $97.43
Q2 2025	1,274,804	$102,494	$77.90	$71.21 - $83.68
Q1 2025	1,383,183	$109,589	$76.08	$68.41 - $83.03
Q4 2024	1,452,442	$103,981	$75.52	$68.26 - $82.49
Q3 2024	775,220	$58,483	$75.84	$70.86 - $81.63
Q2 2024	847,068	$62,801	$84.75	$71.90 - $96.98
Q1 2024	861,700	$83,241	$86.08	$79.82 - $100.38
Q4 2023	830,347	$72,563	$80.94	$67.35 - $89.11
Q3 2023	726,010	$55,823	$82.85	$75.78 - $92.30
Q2 2023	796,707	$70,906	$77.21	$67.22 - $92.36
Q1 2023	640,316	$44,086	$73.79	$65.12 - $81.15
Q4 2022	318,038	$24,577	$78.14	$68.86 - $85.37
Q3 2022	285,480	$19,884	$69.42	$57.54 - $79.26
Q2 2022	248,517	$15,014	$60.57	$53.51 - $68.39
Q1 2022	275,323	$18,340	$66.39	$49.00 - $79.73
Q4 2021	297,926	$23,545	$83.91	$75.09 - $101.05
Q3 2021	257,504	$22,161	$86.44	$80.00 - $90.85
Q2 2021	207,955	$17,222	$86.45	$80.52 - $94.35
Q1 2021	17,035	$14,000	$86.33	$74.31 - $95.28
Q4 2020	16,659	$15,397	$87.68	$78.10 - $95.12
Q3 2020	14,969	$12,702	$79.70	$66.20 - $93.90
Q2 2020	15,175	$10,784	$64.65	$52.02 - $74.71
Q1 2020	13,381	$7,858	$65.18	$50.02 - $74.67
Q4 2019	16,373	$9,796	$58.38	$51.00 - $62.35
Q3 2019	13,237	$7,852	$59.86	$55.57 - $63.94
Q2 2019	11,592	$6,423	$51.11	$46.90 - $56.27
Q1 2019	10,223	$4,769	$41.31	$32.51 - $48.49
Q4 2018	10,576	$3,568	$36.53	$31.59 - $42.50
Q3 2018	18,725	$7,882	$42.74	$39.71 - $44.84
Q2 2018	19,978	$8,244	$38.48	$34.22 - $42.25
Q1 2018	29,121	$10,562	$34.47	$29.54 - $37.86
Q4 2017	9,810	$2,913	$29.30	$26.56 - $31.47
Q3 2017	9,372	$2,514	$27.75	$25.54 - $28.80
Q2 2017	9,326	$2,459	$24.32	$20.14 - $26.88
Q1 2017	10,775	$2,234	$20.32	$18.49 - $21.24
Q4 2016	9,417	$1,775	$19.64	$17.92 - $22.44
Q3 2016	8,739	$1,893	$21.29	$20.25 - $22.48
Q2 2016	8,813	$1,927	$19.77	$17.45 - $21.88
Q1 2016	20,315	$3,822	$17.71	$14.65 - $20.50
Q4 2015	20,754	$4,290	$19.90	$16.80 - $21.35
Q3 2015	11,321	$1,959	$19.15	$16.35 - $22.35
Q2 2015	8,284	$1,668	$20.39	$19.23 - $21.67
Q1 2015	8,280	$1,638	$18.88	$16.88 - $20.19
Q4 2014	9,166	$1,683	$16.16	$13.44 - $18.96
Q3 2014	6,255	$972	$14.90	$13.85 - $16.58
Q2 2014	7,213	$1,141	$16.20	$14.70 - $19.34
Q1 2014	5,250	$981	$18.86	$16.38 - $21.82
Q4 2013	4,211	$777	$17.69	$16.07 - $18.84
Q3 2013	3,341	$561	$15.34	$12.98 - $17.22
Q2 2013	2,692	$347	$11.32	$10.46 - $13.07