COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

Bell Bank's Holding History (CIK: 0001002672)

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

Q4 2025

Shares 3,962 Value ($000) $266 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 12,783 Value ($000) $1,079 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 13,183 Value ($000) $1,060 Avg Close $77.90 Range $71.21 - $83.68

Q1 2025

Shares 13,396 Value ($000) $1,061 Avg Close $76.08 Range $68.41 - $83.03

Q4 2024

Shares 17,885 Value ($000) $1,280 Avg Close $75.52 Range $68.26 - $82.49

Q3 2024

Shares 18,232 Value ($000) $1,375 Avg Close $75.84 Range $70.86 - $81.63

Q2 2024

Shares 17,998 Value ($000) $1,334 Avg Close $84.75 Range $71.90 - $96.98

Q1 2024

Shares 21,709 Value ($000) $2,097 Avg Close $86.08 Range $79.82 - $100.38

Q4 2023

Shares 24,988 Value ($000) $2,184 Avg Close $80.94 Range $67.35 - $89.11

Q3 2023

Shares 27,241 Value ($000) $2,095 Avg Close $82.85 Range $75.78 - $92.30

Q2 2023

Shares 28,331 Value ($000) $2,521 Avg Close $77.21 Range $67.22 - $92.36

Q1 2023

Shares 29,795 Value ($000) $2,051 Avg Close $73.79 Range $65.12 - $81.15

Q4 2022

Shares 31,571 Value ($000) $2,440 Avg Close $78.14 Range $68.86 - $85.37

Q3 2022

Shares 32,033 Value ($000) $2,231 Avg Close $69.42 Range $57.54 - $79.26

Q2 2022

Shares 31,883 Value ($000) $1,926 Avg Close $60.57 Range $53.51 - $68.39

Q1 2022

Shares 30,292 Value ($000) $2,018 Avg Close $66.39 Range $49.00 - $79.73

Q4 2021

Shares 28,206 Value ($000) $2,229 Avg Close $83.91 Range $75.09 - $101.05

Q3 2021

Shares 26,387 Value ($000) $2,271 Avg Close $86.44 Range $80.00 - $90.85

Q2 2021

Shares 25,010 Value ($000) $2,071 Avg Close $86.45 Range $80.52 - $94.35

Q1 2021

Shares 2,482 Value ($000) $2,040 Avg Close $86.33 Range $74.31 - $95.28

Q4 2020

Shares 2,430 Value ($000) $2,246 Avg Close $87.68 Range $78.10 - $95.12

Q3 2020

Shares 2,415 Value ($000) $2,049 Avg Close $79.70 Range $66.20 - $93.90

Q2 2020

Shares 2,343 Value ($000) $1,665 Avg Close $64.65 Range $52.02 - $74.71

Q1 2020

Shares 2,343 Value ($000) $1,376 Avg Close $65.18 Range $50.02 - $74.67

Q4 2019

Shares 2,329 Value ($000) $1,393 Avg Close $58.38 Range $51.00 - $62.35

Q3 2019

Shares 2,300 Value ($000) $1,364 Avg Close $59.86 Range $55.57 - $63.94

Q2 2019

Shares 2,344 Value ($000) $1,299 Avg Close $51.11 Range $46.90 - $56.27

Q1 2019

Shares 2,412 Value ($000) $1,125 Avg Close $41.31 Range $32.51 - $48.49

Q4 2018

Shares 2,520 Value ($000) $850 Avg Close $36.53 Range $31.59 - $42.50

Q3 2018

Shares 2,507 Value ($000) $1,055 Avg Close $42.74 Range $39.71 - $44.84

Q2 2018

Shares 2,294 Value ($000) $947 Avg Close $38.48 Range $34.22 - $42.25

Q1 2018

Shares 1,901 Value ($000) $689 Avg Close $34.47 Range $29.54 - $37.86

Q4 2017

Shares 1,783 Value ($000) $529 Avg Close $29.30 Range $26.56 - $31.47

Q3 2017

Shares 1,815 Value ($000) $487 Avg Close $27.75 Range $25.54 - $28.80

Q2 2017

Shares 1,867 Value ($000) $492 Avg Close $24.32 Range $20.14 - $26.88

Q1 2017

Shares 1,893 Value ($000) $392 Avg Close $20.32 Range $18.49 - $21.24

Q4 2016

Shares 1,823 Value ($000) $344 Avg Close $19.64 Range $17.92 - $22.44

Q3 2016

Shares 1,768 Value ($000) $383 Avg Close $21.29 Range $20.25 - $22.48

Q2 2016

Shares 1,713 Value ($000) $375 Avg Close $19.77 Range $17.45 - $21.88

Q1 2016

Shares 1,453 Value ($000) $273 Avg Close $17.71 Range $14.65 - $20.50

Q4 2015

Shares 1,143 Value ($000) $236 Avg Close $19.90 Range $16.80 - $21.35

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,962	$266	$70.84	$62.00 - $85.24
Q3 2025	12,783	$1,079	$88.37	$79.94 - $97.43
Q2 2025	13,183	$1,060	$77.90	$71.21 - $83.68
Q1 2025	13,396	$1,061	$76.08	$68.41 - $83.03
Q4 2024	17,885	$1,280	$75.52	$68.26 - $82.49
Q3 2024	18,232	$1,375	$75.84	$70.86 - $81.63
Q2 2024	17,998	$1,334	$84.75	$71.90 - $96.98
Q1 2024	21,709	$2,097	$86.08	$79.82 - $100.38
Q4 2023	24,988	$2,184	$80.94	$67.35 - $89.11
Q3 2023	27,241	$2,095	$82.85	$75.78 - $92.30
Q2 2023	28,331	$2,521	$77.21	$67.22 - $92.36
Q1 2023	29,795	$2,051	$73.79	$65.12 - $81.15
Q4 2022	31,571	$2,440	$78.14	$68.86 - $85.37
Q3 2022	32,033	$2,231	$69.42	$57.54 - $79.26
Q2 2022	31,883	$1,926	$60.57	$53.51 - $68.39
Q1 2022	30,292	$2,018	$66.39	$49.00 - $79.73
Q4 2021	28,206	$2,229	$83.91	$75.09 - $101.05
Q3 2021	26,387	$2,271	$86.44	$80.00 - $90.85
Q2 2021	25,010	$2,071	$86.45	$80.52 - $94.35
Q1 2021	2,482	$2,040	$86.33	$74.31 - $95.28
Q4 2020	2,430	$2,246	$87.68	$78.10 - $95.12
Q3 2020	2,415	$2,049	$79.70	$66.20 - $93.90
Q2 2020	2,343	$1,665	$64.65	$52.02 - $74.71
Q1 2020	2,343	$1,376	$65.18	$50.02 - $74.67
Q4 2019	2,329	$1,393	$58.38	$51.00 - $62.35
Q3 2019	2,300	$1,364	$59.86	$55.57 - $63.94
Q2 2019	2,344	$1,299	$51.11	$46.90 - $56.27
Q1 2019	2,412	$1,125	$41.31	$32.51 - $48.49
Q4 2018	2,520	$850	$36.53	$31.59 - $42.50
Q3 2018	2,507	$1,055	$42.74	$39.71 - $44.84
Q2 2018	2,294	$947	$38.48	$34.22 - $42.25
Q1 2018	1,901	$689	$34.47	$29.54 - $37.86
Q4 2017	1,783	$529	$29.30	$26.56 - $31.47
Q3 2017	1,815	$487	$27.75	$25.54 - $28.80
Q2 2017	1,867	$492	$24.32	$20.14 - $26.88
Q1 2017	1,893	$392	$20.32	$18.49 - $21.24
Q4 2016	1,823	$344	$19.64	$17.92 - $22.44
Q3 2016	1,768	$383	$21.29	$20.25 - $22.48
Q2 2016	1,713	$375	$19.77	$17.45 - $21.88
Q1 2016	1,453	$273	$17.71	$14.65 - $20.50
Q4 2015	1,143	$236	$19.90	$16.80 - $21.35