COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

Portside Wealth Group, LLC's Holding History (CIK: 0001978608)

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

Q4 2025

Shares 19,148 Value ($000) $1,288 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 23,990 Value ($000) $2,024 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 26,486 Value ($000) $2,129 Avg Close $77.90 Range $71.21 - $83.68

Q1 2025

Shares 23,775 Value ($000) $1,884 Avg Close $76.08 Range $68.41 - $83.03

Q4 2024

Shares 24,156 Value ($000) $1,729 Avg Close $75.52 Range $68.26 - $82.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19,148	$1,288	$70.84	$62.00 - $85.24
Q3 2025	23,990	$2,024	$88.37	$79.94 - $97.43
Q2 2025	26,486	$2,129	$77.90	$71.21 - $83.68
Q1 2025	23,775	$1,884	$76.08	$68.41 - $83.03
Q4 2024	24,156	$1,729	$75.52	$68.26 - $82.49