Costello Asset Management’s CoStar Group CSGP Stock Holding History

Costello Asset Management’s Portfolio CSGP Stock Details CSGP Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-30	Closed	-$2.02K	–	699
2025 Q4	$2.02K	Buy	+30	New	+$2.13K	﹤0.01%	640

Other funds holding CSGP

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

Polen Capital Management Boca Raton, Florida $11.6B AUM 8.03% 1-Year Est. Return

Costello Asset Management's CSGP Position: Q1 2026 in Review

Costello Asset Management sold out of CoStar Group (CSGP) in Q1 2026, closing a stake of 30 shares — an estimated $2.02K sold.

Costello Asset Management first reported a position in CSGP in Q4 2025 and held it in 1 quarter. The position peaked at $2.02K in Q4 2025. 797 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

Costello Asset Management reported no remaining CoStar Group position as of Q1 2026 after selling out during the quarter.
Costello Asset Management sold 30 CoStar Group shares in Q1 2026, an estimated $2.02K.
Costello Asset Management first reported a position in CoStar Group in Q4 2025 and held it in 1 quarter.
Costello Asset Management's CoStar Group position peaked at $2.02K in Q4 2025.
797 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Costello Asset Management's 13F filing for Q1 2026, filed 30 Apr 2026.