Clearline Capital’s CoStar Group CSGP Stock Holding History

Clearline Capital’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	-118,041	Closed	-$7.94M	–	110
2025 Q4	$7.94M	Buy	+118,041	New	+$8.36M	0.39%	53

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 $3.37T AUM 44.26% 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

Clearline Capital's CSGP Position: Q1 2026 in Review

Clearline Capital sold out of CoStar Group (CSGP) in Q1 2026, closing a stake of 118,041 shares — an estimated $7.94M sold.

Clearline Capital first reported a position in CSGP in Q4 2025 and held it in 1 quarter. The position peaked at $7.94M in Q4 2025. 797 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

Clearline Capital reported no remaining CoStar Group position as of Q1 2026 after selling out during the quarter.
Clearline Capital sold 118,041 CoStar Group shares in Q1 2026, an estimated $7.94M.
Clearline Capital first reported a position in CoStar Group in Q4 2025 and held it in 1 quarter.
Clearline Capital's CoStar Group position peaked at $7.94M in Q4 2025.
797 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Clearline Capital's 13F filing for Q1 2026, filed 15 May 2026.