COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2025

Shares 17,566,074 Value ($000) $1,181,146 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 18,623,370 Value ($000) $1,571,258 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 18,646,649 Value ($000) $1,499,194 Avg Close $77.90 Range $71.21 - $83.68

Q1 2025

Shares 19,007,873 Value ($000) $1,505,994 Avg Close $76.08 Range $68.41 - $83.03

Q4 2024

Shares 19,186,275 Value ($000) $1,373,546 Avg Close $75.52 Range $68.26 - $82.49

Q3 2024

Shares 19,387,519 Value ($000) $1,462,594 Avg Close $75.84 Range $70.86 - $81.63

Q2 2024

Shares 19,370,975 Value ($000) $1,436,164 Avg Close $84.75 Range $71.90 - $96.98

Q1 2024

Shares 19,592,181 Value ($000) $1,892,605 Avg Close $86.08 Range $79.82 - $100.38

Q4 2023

Shares 19,805,733 Value ($000) $1,730,823 Avg Close $80.94 Range $67.35 - $89.11

Q3 2023

Shares 19,808,306 Value ($000) $1,523,061 Avg Close $82.85 Range $75.78 - $92.30

Q2 2023

Shares 19,046,923 Value ($000) $1,695,176 Avg Close $77.21 Range $67.22 - $92.36

Q1 2023

Shares 19,276,710 Value ($000) $1,327,202 Avg Close $73.79 Range $65.12 - $81.15

Q4 2022

Shares 19,675,551 Value ($000) $1,520,527 Avg Close $78.14 Range $68.86 - $85.37

Q3 2022

Shares 20,606,433 Value ($000) $1,435,238 Avg Close $69.42 Range $57.54 - $79.26

Q2 2022

Shares 20,166,548 Value ($000) $1,218,260 Avg Close $60.57 Range $53.51 - $68.39

Q1 2022

Shares 18,742,336 Value ($000) $1,248,427 Avg Close $66.39 Range $49.00 - $79.73

Q4 2021

Shares 16,686,729 Value ($000) $1,323,583 Avg Close $83.91 Range $75.09 - $101.05

Q3 2021

Shares 15,615,122 Value ($000) $1,343,837 Avg Close $86.44 Range $80.00 - $90.85

Q2 2021

Shares 15,169,117 Value ($000) $1,256,306 Avg Close $86.45 Range $80.52 - $94.35

Q1 2021

Shares 954,248 Value ($000) $784,286 Avg Close $86.33 Range $74.31 - $95.28

Q4 2020

Shares 839,908 Value ($000) $776,310 Avg Close $87.68 Range $78.10 - $95.12

Q3 2020

Shares 798,353 Value ($000) $677,411 Avg Close $79.70 Range $66.20 - $93.90

Q2 2020

Shares 803,520 Value ($000) $571,037 Avg Close $64.65 Range $52.02 - $74.71

Q1 2020

Shares 543,732 Value ($000) $319,285 Avg Close $65.18 Range $50.02 - $74.67

Q4 2019

Shares 4,600 Value ($000) $2,752 Avg Close $58.38 Range $51.00 - $62.35

Q3 2019

Shares 5,422 Value ($000) $3,216 Avg Close $59.86 Range $55.57 - $63.94

Q2 2019

Shares 5,906 Value ($000) $3,272 Avg Close $51.11 Range $46.90 - $56.27

Q1 2019

Shares 5,757 Value ($000) $2,685 Avg Close $41.31 Range $32.51 - $48.49

Q4 2018

Shares 5,704 Value ($000) $1,924 Avg Close $36.53 Range $31.59 - $42.50

Q3 2018

Shares 6,842 Value ($000) $2,880 Avg Close $42.74 Range $39.71 - $44.84

Q2 2018

Shares 6,691 Value ($000) $2,761 Avg Close $38.48 Range $34.22 - $42.25

Q1 2018

Shares 5,787 Value ($000) $2,099 Avg Close $34.47 Range $29.54 - $37.86

Q4 2017

Shares 5,775 Value ($000) $1,715 Avg Close $29.30 Range $26.56 - $31.47

Q3 2017

Shares 4,375 Value ($000) $1,174 Avg Close $27.75 Range $25.54 - $28.80

Q2 2017

Shares 2,016 Value ($000) $531 Avg Close $24.32 Range $20.14 - $26.88

Q1 2017

Shares 5,121 Value ($000) $1,061 Avg Close $20.32 Range $18.49 - $21.24

Q4 2016

Shares 5,279 Value ($000) $995 Avg Close $19.64 Range $17.92 - $22.44

Q3 2016

Shares 6,128 Value ($000) $1,327 Avg Close $21.29 Range $20.25 - $22.48

Q2 2016

Shares 6,026 Value ($000) $1,318 Avg Close $19.77 Range $17.45 - $21.88

Q1 2016

Shares 5,468 Value ($000) $1,029 Avg Close $17.71 Range $14.65 - $20.50

Q4 2015

Shares 5,434 Value ($000) $1,123 Avg Close $19.90 Range $16.80 - $21.35

Q3 2015

Shares 6,157 Value ($000) $1,066 Avg Close $19.15 Range $16.35 - $22.35

Q2 2015

Shares 2,814 Value ($000) $566 Avg Close $20.39 Range $19.23 - $21.67

Q1 2015

Shares 2,579 Value ($000) $510 Avg Close $18.88 Range $16.88 - $20.19

Q4 2014

Shares 2,992 Value ($000) $549 Avg Close $16.16 Range $13.44 - $18.96

Q3 2014

Shares 3,440 Value ($000) $535 Avg Close $14.90 Range $13.85 - $16.58

Q2 2014

Shares 4,509 Value ($000) $713 Avg Close $16.20 Range $14.70 - $19.34

Q1 2014

Shares 8,912 Value ($000) $1,664 Avg Close $18.86 Range $16.38 - $21.82

Q4 2013

Shares 9,484 Value ($000) $1,751 Avg Close $17.69 Range $16.07 - $18.84

Q3 2013

Shares 9,484 Value ($000) $1,592 Avg Close $15.34 Range $12.98 - $17.22

Q2 2013

Shares 8,372 Value ($000) $1,081 Avg Close $11.32 Range $10.46 - $13.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,566,074	$1,181,146	$70.84	$62.00 - $85.24
Q3 2025	18,623,370	$1,571,258	$88.37	$79.94 - $97.43
Q2 2025	18,646,649	$1,499,194	$77.90	$71.21 - $83.68
Q1 2025	19,007,873	$1,505,994	$76.08	$68.41 - $83.03
Q4 2024	19,186,275	$1,373,546	$75.52	$68.26 - $82.49
Q3 2024	19,387,519	$1,462,594	$75.84	$70.86 - $81.63
Q2 2024	19,370,975	$1,436,164	$84.75	$71.90 - $96.98
Q1 2024	19,592,181	$1,892,605	$86.08	$79.82 - $100.38
Q4 2023	19,805,733	$1,730,823	$80.94	$67.35 - $89.11
Q3 2023	19,808,306	$1,523,061	$82.85	$75.78 - $92.30
Q2 2023	19,046,923	$1,695,176	$77.21	$67.22 - $92.36
Q1 2023	19,276,710	$1,327,202	$73.79	$65.12 - $81.15
Q4 2022	19,675,551	$1,520,527	$78.14	$68.86 - $85.37
Q3 2022	20,606,433	$1,435,238	$69.42	$57.54 - $79.26
Q2 2022	20,166,548	$1,218,260	$60.57	$53.51 - $68.39
Q1 2022	18,742,336	$1,248,427	$66.39	$49.00 - $79.73
Q4 2021	16,686,729	$1,323,583	$83.91	$75.09 - $101.05
Q3 2021	15,615,122	$1,343,837	$86.44	$80.00 - $90.85
Q2 2021	15,169,117	$1,256,306	$86.45	$80.52 - $94.35
Q1 2021	954,248	$784,286	$86.33	$74.31 - $95.28
Q4 2020	839,908	$776,310	$87.68	$78.10 - $95.12
Q3 2020	798,353	$677,411	$79.70	$66.20 - $93.90
Q2 2020	803,520	$571,037	$64.65	$52.02 - $74.71
Q1 2020	543,732	$319,285	$65.18	$50.02 - $74.67
Q4 2019	4,600	$2,752	$58.38	$51.00 - $62.35
Q3 2019	5,422	$3,216	$59.86	$55.57 - $63.94
Q2 2019	5,906	$3,272	$51.11	$46.90 - $56.27
Q1 2019	5,757	$2,685	$41.31	$32.51 - $48.49
Q4 2018	5,704	$1,924	$36.53	$31.59 - $42.50
Q3 2018	6,842	$2,880	$42.74	$39.71 - $44.84
Q2 2018	6,691	$2,761	$38.48	$34.22 - $42.25
Q1 2018	5,787	$2,099	$34.47	$29.54 - $37.86
Q4 2017	5,775	$1,715	$29.30	$26.56 - $31.47
Q3 2017	4,375	$1,174	$27.75	$25.54 - $28.80
Q2 2017	2,016	$531	$24.32	$20.14 - $26.88
Q1 2017	5,121	$1,061	$20.32	$18.49 - $21.24
Q4 2016	5,279	$995	$19.64	$17.92 - $22.44
Q3 2016	6,128	$1,327	$21.29	$20.25 - $22.48
Q2 2016	6,026	$1,318	$19.77	$17.45 - $21.88
Q1 2016	5,468	$1,029	$17.71	$14.65 - $20.50
Q4 2015	5,434	$1,123	$19.90	$16.80 - $21.35
Q3 2015	6,157	$1,066	$19.15	$16.35 - $22.35
Q2 2015	2,814	$566	$20.39	$19.23 - $21.67
Q1 2015	2,579	$510	$18.88	$16.88 - $20.19
Q4 2014	2,992	$549	$16.16	$13.44 - $18.96
Q3 2014	3,440	$535	$14.90	$13.85 - $16.58
Q2 2014	4,509	$713	$16.20	$14.70 - $19.34
Q1 2014	8,912	$1,664	$18.86	$16.38 - $21.82
Q4 2013	9,484	$1,751	$17.69	$16.07 - $18.84
Q3 2013	9,484	$1,592	$15.34	$12.98 - $17.22
Q2 2013	8,372	$1,081	$11.32	$10.46 - $13.07