COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

HSBC HOLDINGS PLC's Holding History (CIK: 0000873630)

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

Q4 2025

Shares 987,270 Value ($000) $66,392 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 717,320 Value ($000) $60,359 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 708,388 Value ($000) $56,918 Avg Close $77.90 Range $71.21 - $83.68

Q1 2025

Shares 760,291 Value ($000) $60,165 Avg Close $76.08 Range $68.41 - $83.03

Q4 2024

Shares 895,849 Value ($000) $64,148 Avg Close $75.52 Range $68.26 - $82.49

Q3 2024

Shares 860,489 Value ($000) $64,943 Avg Close $75.84 Range $70.86 - $81.63

Q2 2024

Shares 890,347 Value ($000) $66,000 Avg Close $84.75 Range $71.90 - $96.98

Q1 2024

Shares 662,838 Value ($000) $64,013 Avg Close $86.08 Range $79.82 - $100.38

Q4 2023

Shares 587,186 Value ($000) $51,329 Avg Close $80.94 Range $67.35 - $89.11

Q3 2023

Shares 569,799 Value ($000) $43,791 Avg Close $82.85 Range $75.78 - $92.30

Q2 2023

Shares 448,700 Value ($000) $40,376 Avg Close $77.21 Range $67.22 - $92.36

Q1 2023

Shares 359,731 Value ($000) $24,744 Avg Close $73.79 Range $65.12 - $81.15

Q4 2022

Shares 453,309 Value ($000) $34,917 Avg Close $78.14 Range $68.86 - $85.37

Q3 2022

Shares 281,278 Value ($000) $19,826 Avg Close $69.42 Range $57.54 - $79.26

Q2 2022

Shares 112,545 Value ($000) $6,796 Avg Close $60.57 Range $53.51 - $68.39

Q1 2022

Shares 220,028 Value ($000) $14,805 Avg Close $66.39 Range $49.00 - $79.73

Q4 2021

Shares 154,489 Value ($000) $12,241 Avg Close $83.91 Range $75.09 - $101.05

Q3 2021

Shares 141,728 Value ($000) $12,192 Avg Close $86.44 Range $80.00 - $90.85

Q2 2021

Shares 201,964 Value ($000) $16,765 Avg Close $86.45 Range $80.52 - $94.35

Q1 2021

Shares 16,497 Value ($000) $13,558 Avg Close $86.33 Range $74.31 - $95.28

Q4 2020

Shares 16,887 Value ($000) $15,606 Avg Close $87.68 Range $78.10 - $95.12

Q3 2020

Shares 28,791 Value ($000) $24,502 Avg Close $79.70 Range $66.20 - $93.90

Q2 2020

Shares 33,980 Value ($000) $24,148 Avg Close $64.65 Range $52.02 - $74.71

Q1 2020

Shares 24,187 Value ($000) $14,257 Avg Close $65.18 Range $50.02 - $74.67

Q4 2019

Shares 24,135 Value ($000) $14,438 Avg Close $58.38 Range $51.00 - $62.35

Q3 2019

Shares 26,998 Value ($000) $16,016 Avg Close $59.86 Range $55.57 - $63.94

Q2 2019

Shares 10,311 Value ($000) $5,713 Avg Close $51.11 Range $46.90 - $56.27

Q1 2019

Shares 8,289 Value ($000) $3,866 Avg Close $41.31 Range $32.51 - $48.49

Q4 2018

Shares 7,253 Value ($000) $2,447 Avg Close $36.53 Range $31.59 - $42.50

Q3 2018

Shares 7,398 Value ($000) $3,113 Avg Close $42.74 Range $39.71 - $44.84

Q2 2018

Shares 9,700 Value ($000) $3,998 Avg Close $38.48 Range $34.22 - $42.25

Q1 2018

Shares 6,183 Value ($000) $2,243 Avg Close $34.47 Range $29.54 - $37.86

Q4 2017

Shares 7,276 Value ($000) $2,161 Avg Close $29.30 Range $26.56 - $31.47

Q3 2017

Shares 6,847 Value ($000) $1,836 Avg Close $27.75 Range $25.54 - $28.80

Q2 2017

Shares 7,596 Value ($000) $2,003 Avg Close $24.32 Range $20.14 - $26.88

Q1 2017

Shares 7,276 Value ($000) $1,508 Avg Close $20.32 Range $18.49 - $21.24

Q4 2016

Shares 6,599 Value ($000) $1,243 Avg Close $19.64 Range $17.92 - $22.44

Q3 2016

Shares 3,328 Value ($000) $720 Avg Close $21.29 Range $20.25 - $22.48

Q2 2016

Shares 3,967 Value ($000) $868 Avg Close $19.77 Range $17.45 - $21.88

Q1 2016

Shares 4,377 Value ($000) $823 Avg Close $17.71 Range $14.65 - $20.50

Q4 2015

Shares 4,749 Value ($000) $981 Avg Close $19.90 Range $16.80 - $21.35

Q3 2015

Shares 4,331 Value ($000) $750 Avg Close $19.15 Range $16.35 - $22.35

Q2 2015

Shares 4,439 Value ($000) $894 Avg Close $20.39 Range $19.23 - $21.67

Q1 2015

Shares 4,537 Value ($000) $898 Avg Close $18.88 Range $16.88 - $20.19

Q4 2014

Shares 3,607 Value ($000) $662 Avg Close $16.16 Range $13.44 - $18.96

Q3 2014

Shares 3,278 Value ($000) $510 Avg Close $14.90 Range $13.85 - $16.58

Q2 2014

Shares 5,151 Value ($000) $814 Avg Close $16.20 Range $14.70 - $19.34

Q1 2014

Shares 2,446 Value ($000) $457 Avg Close $18.86 Range $16.38 - $21.82

Q4 2013

Shares 2,289 Value ($000) $422 Avg Close $17.69 Range $16.07 - $18.84

Q3 2013

Shares 2,543 Value ($000) $427 Avg Close $15.34 Range $12.98 - $17.22

Q2 2013

Shares 1,678 Value ($000) $216 Avg Close $11.32 Range $10.46 - $13.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	987,270	$66,392	$70.84	$62.00 - $85.24
Q3 2025	717,320	$60,359	$88.37	$79.94 - $97.43
Q2 2025	708,388	$56,918	$77.90	$71.21 - $83.68
Q1 2025	760,291	$60,165	$76.08	$68.41 - $83.03
Q4 2024	895,849	$64,148	$75.52	$68.26 - $82.49
Q3 2024	860,489	$64,943	$75.84	$70.86 - $81.63
Q2 2024	890,347	$66,000	$84.75	$71.90 - $96.98
Q1 2024	662,838	$64,013	$86.08	$79.82 - $100.38
Q4 2023	587,186	$51,329	$80.94	$67.35 - $89.11
Q3 2023	569,799	$43,791	$82.85	$75.78 - $92.30
Q2 2023	448,700	$40,376	$77.21	$67.22 - $92.36
Q1 2023	359,731	$24,744	$73.79	$65.12 - $81.15
Q4 2022	453,309	$34,917	$78.14	$68.86 - $85.37
Q3 2022	281,278	$19,826	$69.42	$57.54 - $79.26
Q2 2022	112,545	$6,796	$60.57	$53.51 - $68.39
Q1 2022	220,028	$14,805	$66.39	$49.00 - $79.73
Q4 2021	154,489	$12,241	$83.91	$75.09 - $101.05
Q3 2021	141,728	$12,192	$86.44	$80.00 - $90.85
Q2 2021	201,964	$16,765	$86.45	$80.52 - $94.35
Q1 2021	16,497	$13,558	$86.33	$74.31 - $95.28
Q4 2020	16,887	$15,606	$87.68	$78.10 - $95.12
Q3 2020	28,791	$24,502	$79.70	$66.20 - $93.90
Q2 2020	33,980	$24,148	$64.65	$52.02 - $74.71
Q1 2020	24,187	$14,257	$65.18	$50.02 - $74.67
Q4 2019	24,135	$14,438	$58.38	$51.00 - $62.35
Q3 2019	26,998	$16,016	$59.86	$55.57 - $63.94
Q2 2019	10,311	$5,713	$51.11	$46.90 - $56.27
Q1 2019	8,289	$3,866	$41.31	$32.51 - $48.49
Q4 2018	7,253	$2,447	$36.53	$31.59 - $42.50
Q3 2018	7,398	$3,113	$42.74	$39.71 - $44.84
Q2 2018	9,700	$3,998	$38.48	$34.22 - $42.25
Q1 2018	6,183	$2,243	$34.47	$29.54 - $37.86
Q4 2017	7,276	$2,161	$29.30	$26.56 - $31.47
Q3 2017	6,847	$1,836	$27.75	$25.54 - $28.80
Q2 2017	7,596	$2,003	$24.32	$20.14 - $26.88
Q1 2017	7,276	$1,508	$20.32	$18.49 - $21.24
Q4 2016	6,599	$1,243	$19.64	$17.92 - $22.44
Q3 2016	3,328	$720	$21.29	$20.25 - $22.48
Q2 2016	3,967	$868	$19.77	$17.45 - $21.88
Q1 2016	4,377	$823	$17.71	$14.65 - $20.50
Q4 2015	4,749	$981	$19.90	$16.80 - $21.35
Q3 2015	4,331	$750	$19.15	$16.35 - $22.35
Q2 2015	4,439	$894	$20.39	$19.23 - $21.67
Q1 2015	4,537	$898	$18.88	$16.88 - $20.19
Q4 2014	3,607	$662	$16.16	$13.44 - $18.96
Q3 2014	3,278	$510	$14.90	$13.85 - $16.58
Q2 2014	5,151	$814	$16.20	$14.70 - $19.34
Q1 2014	2,446	$457	$18.86	$16.38 - $21.82
Q4 2013	2,289	$422	$17.69	$16.07 - $18.84
Q3 2013	2,543	$427	$15.34	$12.98 - $17.22
Q2 2013	1,678	$216	$11.32	$10.46 - $13.07