COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

O'SHAUGHNESSY ASSET MANAGEMENT, LLC's Holding History (CIK: 0001423442)

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

Q4 2025

Shares 39,802 Value ($000) $2,676 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 62,718 Value ($000) $5,292 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 43,641 Value ($000) $3,509 Avg Close $77.90 Range $71.21 - $83.68

Q1 2025

Shares 36,393 Value ($000) $2,883 Avg Close $76.08 Range $68.41 - $83.03

Q4 2024

Shares 18,176 Value ($000) $1,301 Avg Close $75.52 Range $68.26 - $82.49

Q3 2024

Shares 16,532 Value ($000) $1,279 Avg Close $75.84 Range $70.86 - $81.63

Q2 2024

Shares 15,690 Value ($000) $1,163 Avg Close $84.75 Range $71.90 - $96.98

Q1 2024

Shares 15,301 Value ($000) $1,478 Avg Close $86.08 Range $79.82 - $100.38

Q4 2023

Shares 11,409 Value ($000) $997 Avg Close $80.94 Range $67.35 - $89.11

Q3 2023

Shares 8,227 Value ($000) $633 Avg Close $82.85 Range $75.78 - $92.30

Q2 2023

Shares 7,840 Value ($000) $698 Avg Close $77.21 Range $67.22 - $92.36

Q1 2023

Shares 4,452 Value ($000) $307 Avg Close $73.79 Range $65.12 - $81.15

Q4 2022

Shares 6,950 Value ($000) $537 Avg Close $78.14 Range $68.86 - $85.37

Q3 2022

Shares 5,793 Value ($000) $403 Avg Close $69.42 Range $57.54 - $79.26

Q2 2022

Shares 4,503 Value ($000) $272 Avg Close $60.57 Range $53.51 - $68.39

Q3 2021

Shares 3,458 Value ($000) $298 Avg Close $86.44 Range $80.00 - $90.85

Q2 2021

Shares 3,160 Value ($000) $262 Avg Close $86.45 Range $80.52 - $94.35

Q1 2021

Shares 269 Value ($000) $221 Avg Close $86.33 Range $74.31 - $95.28

Q4 2020

Shares 318 Value ($000) $294 Avg Close $87.68 Range $78.10 - $95.12

Q3 2020

Shares 305 Value ($000) $259 Avg Close $79.70 Range $66.20 - $93.90

Q2 2020

Shares 239 Value ($000) $170 Avg Close $64.65 Range $52.02 - $74.71

Q1 2020

Shares 4 Value ($000) $2 Avg Close $65.18 Range $50.02 - $74.67

Q4 2019

Shares 242 Value ($000) $145 Avg Close $58.38 Range $51.00 - $62.35

Q3 2014

Shares 292 Value ($000) $45 Avg Close $14.90 Range $13.85 - $16.58

Q2 2014

Shares 14,878 Value ($000) $2,353 Avg Close $16.20 Range $14.70 - $19.34

Q1 2014

Shares 15,947 Value ($000) $2,977 Avg Close $18.86 Range $16.38 - $21.82

Q4 2013

Shares 15,179 Value ($000) $2,801 Avg Close $17.69 Range $16.07 - $18.84

Q3 2013

Shares 2,989 Value ($000) $501 Avg Close $15.34 Range $12.98 - $17.22

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	39,802	$2,676	$70.84	$62.00 - $85.24
Q3 2025	62,718	$5,292	$88.37	$79.94 - $97.43
Q2 2025	43,641	$3,509	$77.90	$71.21 - $83.68
Q1 2025	36,393	$2,883	$76.08	$68.41 - $83.03
Q4 2024	18,176	$1,301	$75.52	$68.26 - $82.49
Q3 2024	16,532	$1,279	$75.84	$70.86 - $81.63
Q2 2024	15,690	$1,163	$84.75	$71.90 - $96.98
Q1 2024	15,301	$1,478	$86.08	$79.82 - $100.38
Q4 2023	11,409	$997	$80.94	$67.35 - $89.11
Q3 2023	8,227	$633	$82.85	$75.78 - $92.30
Q2 2023	7,840	$698	$77.21	$67.22 - $92.36
Q1 2023	4,452	$307	$73.79	$65.12 - $81.15
Q4 2022	6,950	$537	$78.14	$68.86 - $85.37
Q3 2022	5,793	$403	$69.42	$57.54 - $79.26
Q2 2022	4,503	$272	$60.57	$53.51 - $68.39
Q3 2021	3,458	$298	$86.44	$80.00 - $90.85
Q2 2021	3,160	$262	$86.45	$80.52 - $94.35
Q1 2021	269	$221	$86.33	$74.31 - $95.28
Q4 2020	318	$294	$87.68	$78.10 - $95.12
Q3 2020	305	$259	$79.70	$66.20 - $93.90
Q2 2020	239	$170	$64.65	$52.02 - $74.71
Q1 2020	4	$2	$65.18	$50.02 - $74.67
Q4 2019	242	$145	$58.38	$51.00 - $62.35
Q3 2014	292	$45	$14.90	$13.85 - $16.58
Q2 2014	14,878	$2,353	$16.20	$14.70 - $19.34
Q1 2014	15,947	$2,977	$18.86	$16.38 - $21.82
Q4 2013	15,179	$2,801	$17.69	$16.07 - $18.84
Q3 2013	2,989	$501	$15.34	$12.98 - $17.22