COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

STEPHENS INC /AR/'s Holding History (CIK: 0000757657)

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

Q4 2025

Shares 28,916 Value ($000) $1,944 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 30,794 Value ($000) $2,598 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 31,689 Value ($000) $2,548 Avg Close $77.90 Range $71.21 - $83.68

Q1 2025

Shares 32,973 Value ($000) $2,612 Avg Close $76.08 Range $68.41 - $83.03

Q4 2024

Shares 32,166 Value ($000) $2,303 Avg Close $75.52 Range $68.26 - $82.49

Q3 2024

Shares 25,684 Value ($000) $1,938 Avg Close $75.84 Range $70.86 - $81.63

Q2 2024

Shares 28,185 Value ($000) $2,090 Avg Close $84.75 Range $71.90 - $96.98

Q1 2024

Shares 29,264 Value ($000) $2,827 Avg Close $86.08 Range $79.82 - $100.38

Q4 2023

Shares 18,843 Value ($000) $1,647 Avg Close $80.94 Range $67.35 - $89.11

Q3 2023

Shares 32,524 Value ($000) $2,501 Avg Close $82.85 Range $75.78 - $92.30

Q2 2023

Shares 20,775 Value ($000) $1,849 Avg Close $77.21 Range $67.22 - $92.36

Q1 2023

Shares 21,766 Value ($000) $1,499 Avg Close $73.79 Range $65.12 - $81.15

Q4 2022

Shares 21,459 Value ($000) $1,658 Avg Close $78.14 Range $68.86 - $85.37

Q3 2022

Shares 21,459 Value ($000) $1,495 Avg Close $69.42 Range $57.54 - $79.26

Q2 2022

Shares 35,051 Value ($000) $2,117 Avg Close $60.57 Range $53.51 - $68.39

Q1 2022

Shares 53,419 Value ($000) $3,558 Avg Close $66.39 Range $49.00 - $79.73

Q4 2021

Shares 53,310 Value ($000) $4,213 Avg Close $83.91 Range $75.09 - $101.05

Q3 2021

Shares 36,238 Value ($000) $3,119 Avg Close $86.44 Range $80.00 - $90.85

Q2 2021

Shares 35,488 Value ($000) $2,939 Avg Close $86.45 Range $80.52 - $94.35

Q1 2021

Shares 3,321 Value ($000) $2,729 Avg Close $86.33 Range $74.31 - $95.28

Q4 2020

Shares 3,391 Value ($000) $3,134 Avg Close $87.68 Range $78.10 - $95.12

Q3 2020

Shares 3,322 Value ($000) $2,819 Avg Close $79.70 Range $66.20 - $93.90

Q2 2020

Shares 3,227 Value ($000) $2,293 Avg Close $64.65 Range $52.02 - $74.71

Q1 2020

Shares 3,783 Value ($000) $2,221 Avg Close $65.18 Range $50.02 - $74.67

Q4 2019

Shares 3,010 Value ($000) $1,801 Avg Close $58.38 Range $51.00 - $62.35

Q3 2019

Shares 4,900 Value ($000) $2,907 Avg Close $59.86 Range $55.57 - $63.94

Q2 2019

Shares 4,630 Value ($000) $2,565 Avg Close $51.11 Range $46.90 - $56.27

Q1 2019

Shares 4,709 Value ($000) $2,196 Avg Close $41.31 Range $32.51 - $48.49

Q4 2018

Shares 5,043 Value ($000) $1,701 Avg Close $36.53 Range $31.59 - $42.50

Q3 2018

Shares 7,059 Value ($000) $2,971 Avg Close $42.74 Range $39.71 - $44.84

Q2 2017

Shares 4,034 Value ($000) $1,063 Avg Close $24.32 Range $20.14 - $26.88

Q1 2017

Shares 4,108 Value ($000) $851 Avg Close $20.32 Range $18.49 - $21.24

Q4 2016

Shares 3,963 Value ($000) $747 Avg Close $19.64 Range $17.92 - $22.44

Q3 2016

Shares 4,041 Value ($000) $875 Avg Close $21.29 Range $20.25 - $22.48

Q2 2016

Shares 4,055 Value ($000) $887 Avg Close $19.77 Range $17.45 - $21.88

Q1 2016

Shares 3,683 Value ($000) $693 Avg Close $17.71 Range $14.65 - $20.50

Q4 2015

Shares 3,721 Value ($000) $769 Avg Close $19.90 Range $16.80 - $21.35

Q3 2015

Shares 3,839 Value ($000) $664 Avg Close $19.15 Range $16.35 - $22.35

Q2 2015

Shares 3,921 Value ($000) $789 Avg Close $20.39 Range $19.23 - $21.67

Q1 2015

Shares 4,044 Value ($000) $800 Avg Close $18.88 Range $16.88 - $20.19

Q4 2014

Shares 4,677 Value ($000) $859 Avg Close $16.16 Range $13.44 - $18.96

Q3 2014

Shares 4,753 Value ($000) $739 Avg Close $14.90 Range $13.85 - $16.58

Q2 2014

Shares 6,995 Value ($000) $1,106 Avg Close $16.20 Range $14.70 - $19.34

Q1 2014

Shares 5,635 Value ($000) $1,052 Avg Close $18.86 Range $16.38 - $21.82

Q4 2013

Shares 5,601 Value ($000) $1,034 Avg Close $17.69 Range $16.07 - $18.84

Q3 2013

Shares 5,196 Value ($000) $872 Avg Close $15.34 Range $12.98 - $17.22

Q2 2013

Shares 3,456 Value ($000) $446 Avg Close $11.32 Range $10.46 - $13.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	28,916	$1,944	$70.84	$62.00 - $85.24
Q3 2025	30,794	$2,598	$88.37	$79.94 - $97.43
Q2 2025	31,689	$2,548	$77.90	$71.21 - $83.68
Q1 2025	32,973	$2,612	$76.08	$68.41 - $83.03
Q4 2024	32,166	$2,303	$75.52	$68.26 - $82.49
Q3 2024	25,684	$1,938	$75.84	$70.86 - $81.63
Q2 2024	28,185	$2,090	$84.75	$71.90 - $96.98
Q1 2024	29,264	$2,827	$86.08	$79.82 - $100.38
Q4 2023	18,843	$1,647	$80.94	$67.35 - $89.11
Q3 2023	32,524	$2,501	$82.85	$75.78 - $92.30
Q2 2023	20,775	$1,849	$77.21	$67.22 - $92.36
Q1 2023	21,766	$1,499	$73.79	$65.12 - $81.15
Q4 2022	21,459	$1,658	$78.14	$68.86 - $85.37
Q3 2022	21,459	$1,495	$69.42	$57.54 - $79.26
Q2 2022	35,051	$2,117	$60.57	$53.51 - $68.39
Q1 2022	53,419	$3,558	$66.39	$49.00 - $79.73
Q4 2021	53,310	$4,213	$83.91	$75.09 - $101.05
Q3 2021	36,238	$3,119	$86.44	$80.00 - $90.85
Q2 2021	35,488	$2,939	$86.45	$80.52 - $94.35
Q1 2021	3,321	$2,729	$86.33	$74.31 - $95.28
Q4 2020	3,391	$3,134	$87.68	$78.10 - $95.12
Q3 2020	3,322	$2,819	$79.70	$66.20 - $93.90
Q2 2020	3,227	$2,293	$64.65	$52.02 - $74.71
Q1 2020	3,783	$2,221	$65.18	$50.02 - $74.67
Q4 2019	3,010	$1,801	$58.38	$51.00 - $62.35
Q3 2019	4,900	$2,907	$59.86	$55.57 - $63.94
Q2 2019	4,630	$2,565	$51.11	$46.90 - $56.27
Q1 2019	4,709	$2,196	$41.31	$32.51 - $48.49
Q4 2018	5,043	$1,701	$36.53	$31.59 - $42.50
Q3 2018	7,059	$2,971	$42.74	$39.71 - $44.84
Q2 2017	4,034	$1,063	$24.32	$20.14 - $26.88
Q1 2017	4,108	$851	$20.32	$18.49 - $21.24
Q4 2016	3,963	$747	$19.64	$17.92 - $22.44
Q3 2016	4,041	$875	$21.29	$20.25 - $22.48
Q2 2016	4,055	$887	$19.77	$17.45 - $21.88
Q1 2016	3,683	$693	$17.71	$14.65 - $20.50
Q4 2015	3,721	$769	$19.90	$16.80 - $21.35
Q3 2015	3,839	$664	$19.15	$16.35 - $22.35
Q2 2015	3,921	$789	$20.39	$19.23 - $21.67
Q1 2015	4,044	$800	$18.88	$16.88 - $20.19
Q4 2014	4,677	$859	$16.16	$13.44 - $18.96
Q3 2014	4,753	$739	$14.90	$13.85 - $16.58
Q2 2014	6,995	$1,106	$16.20	$14.70 - $19.34
Q1 2014	5,635	$1,052	$18.86	$16.38 - $21.82
Q4 2013	5,601	$1,034	$17.69	$16.07 - $18.84
Q3 2013	5,196	$872	$15.34	$12.98 - $17.22
Q2 2013	3,456	$446	$11.32	$10.46 - $13.07