COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

PARK AVENUE SECURITIES LLC's Holding History (CIK: 0001071640)

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

Q4 2025

Shares 23,179 Value ($000) $2 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 26,523 Value ($000) $2 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 26,232 Value ($000) $2 Avg Close $77.90 Range $71.21 - $83.68

Q4 2024

Shares 29,073 Value ($000) $2 Avg Close $75.52 Range $68.26 - $82.49

Q3 2024

Shares 28,531 Value ($000) $2 Avg Close $75.84 Range $70.86 - $81.63

Q2 2024

Shares 33,396 Value ($000) $2 Avg Close $84.75 Range $71.90 - $96.98

Q1 2024

Shares 34,299 Value ($000) $3 Avg Close $86.08 Range $79.82 - $100.38

Q4 2023

Shares 35,511 Value ($000) $3 Avg Close $80.94 Range $67.35 - $89.11

Q3 2023

Shares 36,528 Value ($000) $3 Avg Close $82.85 Range $75.78 - $92.30

Q2 2023

Shares 44,928 Value ($000) $4 Avg Close $77.21 Range $67.22 - $92.36

Q1 2023

Shares 45,657 Value ($000) $3 Avg Close $73.79 Range $65.12 - $81.15

Q4 2022

Shares 45,897 Value ($000) $3,547 Avg Close $78.14 Range $68.86 - $85.37

Q3 2022

Shares 46,476 Value ($000) $3,237,000 Avg Close $69.42 Range $57.54 - $79.26

Q2 2022

Shares 46,422 Value ($000) $2,804 Avg Close $60.57 Range $53.51 - $68.39

Q1 2022

Shares 42,537 Value ($000) $2,833 Avg Close $66.39 Range $49.00 - $79.73

Q4 2021

Shares 33,162 Value ($000) $2,621,000 Avg Close $83.91 Range $75.09 - $101.05

Q3 2021

Shares 31,999 Value ($000) $2,754 Avg Close $86.44 Range $80.00 - $90.85

Q2 2021

Shares 26,518 Value ($000) $2,196 Avg Close $86.45 Range $80.52 - $94.35

Q1 2021

Shares 2,316 Value ($000) $1,903 Avg Close $86.33 Range $74.31 - $95.28

Q4 2020

Shares 1,863 Value ($000) $1,722 Avg Close $87.68 Range $78.10 - $95.12

Q3 2020

Shares 1,261 Value ($000) $1,070 Avg Close $79.70 Range $66.20 - $93.90

Q2 2020

Shares 791 Value ($000) $562 Avg Close $64.65 Range $52.02 - $74.71

Q1 2020

Shares 549 Value ($000) $322 Avg Close $65.18 Range $50.02 - $74.67

Q4 2019

Shares 501 Value ($000) $300 Avg Close $58.38 Range $51.00 - $62.35

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	23,179	$2	$70.84	$62.00 - $85.24
Q3 2025	26,523	$2	$88.37	$79.94 - $97.43
Q2 2025	26,232	$2	$77.90	$71.21 - $83.68
Q4 2024	29,073	$2	$75.52	$68.26 - $82.49
Q3 2024	28,531	$2	$75.84	$70.86 - $81.63
Q2 2024	33,396	$2	$84.75	$71.90 - $96.98
Q1 2024	34,299	$3	$86.08	$79.82 - $100.38
Q4 2023	35,511	$3	$80.94	$67.35 - $89.11
Q3 2023	36,528	$3	$82.85	$75.78 - $92.30
Q2 2023	44,928	$4	$77.21	$67.22 - $92.36
Q1 2023	45,657	$3	$73.79	$65.12 - $81.15
Q4 2022	45,897	$3,547	$78.14	$68.86 - $85.37
Q3 2022	46,476	$3,237,000	$69.42	$57.54 - $79.26
Q2 2022	46,422	$2,804	$60.57	$53.51 - $68.39
Q1 2022	42,537	$2,833	$66.39	$49.00 - $79.73
Q4 2021	33,162	$2,621,000	$83.91	$75.09 - $101.05
Q3 2021	31,999	$2,754	$86.44	$80.00 - $90.85
Q2 2021	26,518	$2,196	$86.45	$80.52 - $94.35
Q1 2021	2,316	$1,903	$86.33	$74.31 - $95.28
Q4 2020	1,863	$1,722	$87.68	$78.10 - $95.12
Q3 2020	1,261	$1,070	$79.70	$66.20 - $93.90
Q2 2020	791	$562	$64.65	$52.02 - $74.71
Q1 2020	549	$322	$65.18	$50.02 - $74.67
Q4 2019	501	$300	$58.38	$51.00 - $62.35