COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

BARCLAYS PLC's Holding History (CIK: 0000312069)

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

Q4 2025

Shares 2,321,700 Value ($000) $156,111 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 2,249,188 Value ($000) $169,679 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 1,171,306 Value ($000) $94,173 Avg Close $77.90 Range $71.21 - $83.68

Q1 2025

Shares 1,043,668 Value ($000) $82,690 Avg Close $76.08 Range $68.41 - $83.03

Q4 2024

Shares 1,678,132 Value ($000) $120,137 Avg Close $75.52 Range $68.26 - $82.49

Q3 2024

Shares 2,249,188 Value ($000) $170 Avg Close $75.84 Range $70.86 - $81.63

Q2 2024

Shares 1,175,395 Value ($000) $87,144 Avg Close $84.75 Range $71.90 - $96.98

Q1 2024

Shares 1,153,956 Value ($000) $111,472 Avg Close $86.08 Range $79.82 - $100.38

Q4 2023

Shares 1,414,413 Value ($000) $123,606 Avg Close $80.94 Range $67.35 - $89.11

Q3 2023

Shares 927,257 Value ($000) $71,297 Avg Close $82.85 Range $75.78 - $92.30

Q2 2023

Shares 834,383 Value ($000) $74 Avg Close $77.21 Range $67.22 - $92.36

Q1 2023

Shares 434,252 Value ($000) $30 Avg Close $73.79 Range $65.12 - $81.15

Q4 2022

Shares 568,850 Value ($000) $44 Avg Close $78.14 Range $68.86 - $85.37

Q3 2022

Shares 384,965 Value ($000) $26,814 Avg Close $69.42 Range $57.54 - $79.26

Q2 2022

Shares 279,650 Value ($000) $16,894 Avg Close $60.57 Range $53.51 - $68.39

Q1 2022

Shares 236,593 Value ($000) $15,758 Avg Close $66.39 Range $49.00 - $79.73

Q4 2021

Shares 298,099 Value ($000) $23,560 Avg Close $83.91 Range $75.09 - $101.05

Q3 2021

Shares 340,228 Value ($000) $29,280 Avg Close $86.44 Range $80.00 - $90.85

Q2 2021

Shares 563,397 Value ($000) $46,659 Avg Close $86.45 Range $80.52 - $94.35

Q1 2021

Shares 31,141 Value ($000) $25,594 Avg Close $86.33 Range $74.31 - $95.28

Q4 2020

Shares 18,992 Value ($000) $17,555 Avg Close $87.68 Range $78.10 - $95.12

Q3 2020

Shares 18,154 Value ($000) $15,404 Avg Close $79.70 Range $66.20 - $93.90

Q2 2020

Shares 19,338 Value ($000) $13,743 Avg Close $64.65 Range $52.02 - $74.71

Q1 2020

Shares 13,234 Value ($000) $7,771 Avg Close $65.18 Range $50.02 - $74.67

Q4 2019

Shares 24,341 Value ($000) $14,562 Avg Close $58.38 Range $51.00 - $62.35

Q3 2019

Shares 40,831 Value ($000) $24,221 Avg Close $59.86 Range $55.57 - $63.94

Q2 2019

Shares 50,815 Value ($000) $28,155 Avg Close $51.11 Range $46.90 - $56.27

Q1 2019

Shares 18,953 Value ($000) $8,840 Avg Close $41.31 Range $32.51 - $48.49

Q4 2018

Shares 31,723 Value ($000) $10,701 Avg Close $36.53 Range $31.59 - $42.50

Q3 2018

Shares 23,119 Value ($000) $9,729 Avg Close $42.74 Range $39.71 - $44.84

Q2 2018

Shares 20,055 Value ($000) $8,275 Avg Close $38.48 Range $34.22 - $42.25

Q1 2018

Shares 10,854 Value ($000) $3,937 Avg Close $34.47 Range $29.54 - $37.86

Q4 2017

Shares 6,807 Value ($000) $2,022 Avg Close $29.30 Range $26.56 - $31.47

Q3 2017

Shares 15,543 Value ($000) $4,169 Avg Close $27.75 Range $25.54 - $28.80

Q2 2017

Shares 13,799 Value ($000) $3,637 Avg Close $24.32 Range $20.14 - $26.88

Q1 2017

Shares 6,254 Value ($000) $1,296 Avg Close $20.32 Range $18.49 - $21.24

Q4 2016

Shares 4,136 Value ($000) $780 Avg Close $19.64 Range $17.92 - $22.44

Q3 2016

Shares 5,163 Value ($000) $1,118 Avg Close $21.29 Range $20.25 - $22.48

Q2 2016

Shares 1,366 Value ($000) $300 Avg Close $19.77 Range $17.45 - $21.88

Q1 2016

Shares 216 Value ($000) $41 Avg Close $17.71 Range $14.65 - $20.50

Q4 2015

Shares 2,526 Value ($000) $520 Avg Close $19.90 Range $16.80 - $21.35

Q3 2015

Shares 1,594 Value ($000) $276 Avg Close $19.15 Range $16.35 - $22.35

Q2 2015

Shares 578 Value ($000) $117 Avg Close $20.39 Range $19.23 - $21.67

Q1 2015

Shares 4,130 Value ($000) $814 Avg Close $18.88 Range $16.88 - $20.19

Q4 2014

Shares 3,959 Value ($000) $725 Avg Close $16.16 Range $13.44 - $18.96

Q3 2014

Shares 1,424 Value ($000) $221 Avg Close $14.90 Range $13.85 - $16.58

Q2 2014

Shares 49,402 Value ($000) $7,806 Avg Close $16.20 Range $14.70 - $19.34

Q1 2014

Shares 1,172 Value ($000) $218 Avg Close $18.86 Range $16.38 - $21.82

Q4 2013

Shares 2,012 Value ($000) $370 Avg Close $17.69 Range $16.07 - $18.84

Q3 2013

Shares 1,979 Value ($000) $330 Avg Close $15.34 Range $12.98 - $17.22

Q2 2013

Shares 4,091 Value ($000) $528 Avg Close $11.32 Range $10.46 - $13.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,321,700	$156,111	$70.84	$62.00 - $85.24
Q3 2025	2,249,188	$169,679	$88.37	$79.94 - $97.43
Q2 2025	1,171,306	$94,173	$77.90	$71.21 - $83.68
Q1 2025	1,043,668	$82,690	$76.08	$68.41 - $83.03
Q4 2024	1,678,132	$120,137	$75.52	$68.26 - $82.49
Q3 2024	2,249,188	$170	$75.84	$70.86 - $81.63
Q2 2024	1,175,395	$87,144	$84.75	$71.90 - $96.98
Q1 2024	1,153,956	$111,472	$86.08	$79.82 - $100.38
Q4 2023	1,414,413	$123,606	$80.94	$67.35 - $89.11
Q3 2023	927,257	$71,297	$82.85	$75.78 - $92.30
Q2 2023	834,383	$74	$77.21	$67.22 - $92.36
Q1 2023	434,252	$30	$73.79	$65.12 - $81.15
Q4 2022	568,850	$44	$78.14	$68.86 - $85.37
Q3 2022	384,965	$26,814	$69.42	$57.54 - $79.26
Q2 2022	279,650	$16,894	$60.57	$53.51 - $68.39
Q1 2022	236,593	$15,758	$66.39	$49.00 - $79.73
Q4 2021	298,099	$23,560	$83.91	$75.09 - $101.05
Q3 2021	340,228	$29,280	$86.44	$80.00 - $90.85
Q2 2021	563,397	$46,659	$86.45	$80.52 - $94.35
Q1 2021	31,141	$25,594	$86.33	$74.31 - $95.28
Q4 2020	18,992	$17,555	$87.68	$78.10 - $95.12
Q3 2020	18,154	$15,404	$79.70	$66.20 - $93.90
Q2 2020	19,338	$13,743	$64.65	$52.02 - $74.71
Q1 2020	13,234	$7,771	$65.18	$50.02 - $74.67
Q4 2019	24,341	$14,562	$58.38	$51.00 - $62.35
Q3 2019	40,831	$24,221	$59.86	$55.57 - $63.94
Q2 2019	50,815	$28,155	$51.11	$46.90 - $56.27
Q1 2019	18,953	$8,840	$41.31	$32.51 - $48.49
Q4 2018	31,723	$10,701	$36.53	$31.59 - $42.50
Q3 2018	23,119	$9,729	$42.74	$39.71 - $44.84
Q2 2018	20,055	$8,275	$38.48	$34.22 - $42.25
Q1 2018	10,854	$3,937	$34.47	$29.54 - $37.86
Q4 2017	6,807	$2,022	$29.30	$26.56 - $31.47
Q3 2017	15,543	$4,169	$27.75	$25.54 - $28.80
Q2 2017	13,799	$3,637	$24.32	$20.14 - $26.88
Q1 2017	6,254	$1,296	$20.32	$18.49 - $21.24
Q4 2016	4,136	$780	$19.64	$17.92 - $22.44
Q3 2016	5,163	$1,118	$21.29	$20.25 - $22.48
Q2 2016	1,366	$300	$19.77	$17.45 - $21.88
Q1 2016	216	$41	$17.71	$14.65 - $20.50
Q4 2015	2,526	$520	$19.90	$16.80 - $21.35
Q3 2015	1,594	$276	$19.15	$16.35 - $22.35
Q2 2015	578	$117	$20.39	$19.23 - $21.67
Q1 2015	4,130	$814	$18.88	$16.88 - $20.19
Q4 2014	3,959	$725	$16.16	$13.44 - $18.96
Q3 2014	1,424	$221	$14.90	$13.85 - $16.58
Q2 2014	49,402	$7,806	$16.20	$14.70 - $19.34
Q1 2014	1,172	$218	$18.86	$16.38 - $21.82
Q4 2013	2,012	$370	$17.69	$16.07 - $18.84
Q3 2013	1,979	$330	$15.34	$12.98 - $17.22
Q2 2013	4,091	$528	$11.32	$10.46 - $13.07