COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 33,970,626 Value ($000) $2,284,185 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 36,133,158 Value ($000) $3,048,555 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 35,039,434 Value ($000) $2,817,170 Avg Close $77.90 Range $71.21 - $83.68

Q1 2025

Shares 37,457,618 Value ($000) $2,967,767 Avg Close $76.08 Range $68.41 - $83.03

Q4 2024

Shares 38,115,694 Value ($000) $2,728,703 Avg Close $75.52 Range $68.26 - $82.49

Q3 2024

Shares 38,885,893 Value ($000) $2,933,552 Avg Close $75.84 Range $70.86 - $81.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	33,970,626	$2,284,185	$70.84	$62.00 - $85.24
Q3 2025	36,133,158	$3,048,555	$88.37	$79.94 - $97.43
Q2 2025	35,039,434	$2,817,170	$77.90	$71.21 - $83.68
Q1 2025	37,457,618	$2,967,767	$76.08	$68.41 - $83.03
Q4 2024	38,115,694	$2,728,703	$75.52	$68.26 - $82.49
Q3 2024	38,885,893	$2,933,552	$75.84	$70.86 - $81.63