COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

COMMERCE BANK's Holding History (CIK: 0001009076)

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

Q4 2025

Shares 18,869 Value ($000) $1,269 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 18,221 Value ($000) $1,537 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 18,133 Value ($000) $1,458 Avg Close $77.90 Range $71.21 - $83.68

Q1 2025

Shares 11,945 Value ($000) $946 Avg Close $76.08 Range $68.41 - $83.03

Q4 2024

Shares 14,652 Value ($000) $1,049 Avg Close $75.52 Range $68.26 - $82.49

Q3 2024

Shares 48,897 Value ($000) $3,689 Avg Close $75.84 Range $70.86 - $81.63

Q2 2024

Shares 52,793 Value ($000) $3,914 Avg Close $84.75 Range $71.90 - $96.98

Q1 2024

Shares 48,366 Value ($000) $4,672 Avg Close $86.08 Range $79.82 - $100.38

Q4 2023

Shares 50,692 Value ($000) $4,430 Avg Close $80.94 Range $67.35 - $89.11

Q3 2023

Shares 52,679 Value ($000) $4,050 Avg Close $82.85 Range $75.78 - $92.30

Q2 2023

Shares 50,167 Value ($000) $4,465 Avg Close $77.21 Range $67.22 - $92.36

Q1 2023

Shares 60,989 Value ($000) $4,199 Avg Close $73.79 Range $65.12 - $81.15

Q4 2022

Shares 50,052 Value ($000) $3,868 Avg Close $78.14 Range $68.86 - $85.37

Q3 2022

Shares 54,452 Value ($000) $3,792 Avg Close $69.42 Range $57.54 - $79.26

Q2 2022

Shares 59,837 Value ($000) $3,615 Avg Close $60.57 Range $53.51 - $68.39

Q1 2022

Shares 68,834 Value ($000) $4,584 Avg Close $66.39 Range $49.00 - $79.73

Q4 2021

Shares 59,462 Value ($000) $4,699 Avg Close $83.91 Range $75.09 - $101.05

Q3 2021

Shares 59,208 Value ($000) $5,096 Avg Close $86.44 Range $80.00 - $90.85

Q2 2021

Shares 59,740 Value ($000) $4,948 Avg Close $86.45 Range $80.52 - $94.35

Q1 2021

Shares 6,082 Value ($000) $4,999 Avg Close $86.33 Range $74.31 - $95.28

Q4 2020

Shares 5,978 Value ($000) $5,526 Avg Close $87.68 Range $78.10 - $95.12

Q3 2020

Shares 5,923 Value ($000) $5,025 Avg Close $79.70 Range $66.20 - $93.90

Q2 2020

Shares 6,547 Value ($000) $4,652 Avg Close $64.65 Range $52.02 - $74.71

Q1 2020

Shares 5,369 Value ($000) $3,153 Avg Close $65.18 Range $50.02 - $74.67

Q4 2019

Shares 5,813 Value ($000) $3,478 Avg Close $58.38 Range $51.00 - $62.35

Q3 2019

Shares 5,602 Value ($000) $3,323 Avg Close $59.86 Range $55.57 - $63.94

Q2 2019

Shares 1,029 Value ($000) $570 Avg Close $51.11 Range $46.90 - $56.27

Q1 2019

Shares 633 Value ($000) $295 Avg Close $41.31 Range $32.51 - $48.49

Q4 2018

Shares 806 Value ($000) $272 Avg Close $36.53 Range $31.59 - $42.50

Q3 2018

Shares 1,014 Value ($000) $427 Avg Close $42.74 Range $39.71 - $44.84

Q4 2014

Shares 2,141 Value ($000) $393 Avg Close $16.16 Range $13.44 - $18.96

Q3 2014

Shares 2,166 Value ($000) $337 Avg Close $14.90 Range $13.85 - $16.58

Q2 2014

Shares 2,070 Value ($000) $328 Avg Close $16.20 Range $14.70 - $19.34

Q1 2014

Shares 2,070 Value ($000) $387 Avg Close $18.86 Range $16.38 - $21.82

Q4 2013

Shares 1,945 Value ($000) $359 Avg Close $17.69 Range $16.07 - $18.84

Q3 2013

Shares 3,330 Value ($000) $559 Avg Close $15.34 Range $12.98 - $17.22

Q2 2013

Shares 3,380 Value ($000) $436 Avg Close $11.32 Range $10.46 - $13.07

Q1 2013

Shares 3,165 Value ($000) $347 Avg Close $9.72 Range $8.90 - $11.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	18,869	$1,269	$70.84	$62.00 - $85.24
Q3 2025	18,221	$1,537	$88.37	$79.94 - $97.43
Q2 2025	18,133	$1,458	$77.90	$71.21 - $83.68
Q1 2025	11,945	$946	$76.08	$68.41 - $83.03
Q4 2024	14,652	$1,049	$75.52	$68.26 - $82.49
Q3 2024	48,897	$3,689	$75.84	$70.86 - $81.63
Q2 2024	52,793	$3,914	$84.75	$71.90 - $96.98
Q1 2024	48,366	$4,672	$86.08	$79.82 - $100.38
Q4 2023	50,692	$4,430	$80.94	$67.35 - $89.11
Q3 2023	52,679	$4,050	$82.85	$75.78 - $92.30
Q2 2023	50,167	$4,465	$77.21	$67.22 - $92.36
Q1 2023	60,989	$4,199	$73.79	$65.12 - $81.15
Q4 2022	50,052	$3,868	$78.14	$68.86 - $85.37
Q3 2022	54,452	$3,792	$69.42	$57.54 - $79.26
Q2 2022	59,837	$3,615	$60.57	$53.51 - $68.39
Q1 2022	68,834	$4,584	$66.39	$49.00 - $79.73
Q4 2021	59,462	$4,699	$83.91	$75.09 - $101.05
Q3 2021	59,208	$5,096	$86.44	$80.00 - $90.85
Q2 2021	59,740	$4,948	$86.45	$80.52 - $94.35
Q1 2021	6,082	$4,999	$86.33	$74.31 - $95.28
Q4 2020	5,978	$5,526	$87.68	$78.10 - $95.12
Q3 2020	5,923	$5,025	$79.70	$66.20 - $93.90
Q2 2020	6,547	$4,652	$64.65	$52.02 - $74.71
Q1 2020	5,369	$3,153	$65.18	$50.02 - $74.67
Q4 2019	5,813	$3,478	$58.38	$51.00 - $62.35
Q3 2019	5,602	$3,323	$59.86	$55.57 - $63.94
Q2 2019	1,029	$570	$51.11	$46.90 - $56.27
Q1 2019	633	$295	$41.31	$32.51 - $48.49
Q4 2018	806	$272	$36.53	$31.59 - $42.50
Q3 2018	1,014	$427	$42.74	$39.71 - $44.84
Q4 2014	2,141	$393	$16.16	$13.44 - $18.96
Q3 2014	2,166	$337	$14.90	$13.85 - $16.58
Q2 2014	2,070	$328	$16.20	$14.70 - $19.34
Q1 2014	2,070	$387	$18.86	$16.38 - $21.82
Q4 2013	1,945	$359	$17.69	$16.07 - $18.84
Q3 2013	3,330	$559	$15.34	$12.98 - $17.22
Q2 2013	3,380	$436	$11.32	$10.46 - $13.07
Q1 2013	3,165	$347	$9.72	$8.90 - $11.01