Balyasny Asset Management’s CoStar Group CSGP Stock Holding History

Balyasny 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
2025 Q3	–	Sell	-82,500	Closed	-$6.63M	–	2997
2025 Q2	$6.63M	Buy	+82,500	New	+$6.43M	0.01%	1154
2025 Q1	–	Sell	-137,500	Closed	-$9.84M	–	2864
2024 Q4	$9.84M	Buy	+137,500	New	+$10.4M	0.01%	966
2024 Q3	–	Sell	-210,000	Closed	-$15.6M	–	2802
2024 Q2	$15.6M	Buy	+210,000	New	+$17.8M	0.03%	700
2023 Q3	–	Sell	-40,000	Closed	-$3.56M	–	2325
2023 Q2	$3.56M	Buy	+40,000	New	+$3.09M	0.01%	1179
2021 Q1	–	Sell	-25,000	Closed	-$2.31M	–	1806
2020 Q4	$2.31M	Buy	+25,000	New	+$2.19M	0.01%	844

Other funds holding CSGP

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T 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 $33.1B AUM 11.16% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Capital International Investors Los Angeles, California $427B AUM 29.17% 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

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

Balyasny Asset Management reduced its CoStar Group (CSGP) stake by 0.27% in Q1 2026, selling an estimated $885 and leaving 6,326 shares worth $255K. The position accounts for ﹤0.01% of the portfolio, ranked #2619.

Balyasny Asset Management first reported a position in CSGP in Q4 2015 and has held it in 28 quarters since. The position peaked at $115M in Q4 2017. 795 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

Balyasny Asset Management held 6,326 shares of CoStar Group worth $255K as of Q1 2026.
Balyasny Asset Management sold 17 CoStar Group shares in Q1 2026, an estimated $885.
CoStar Group made up ﹤0.01% of Balyasny Asset Management's portfolio in Q1 2026, its #2619 holding.
Balyasny Asset Management first reported a position in CoStar Group in Q4 2015 and has held it in 28 quarters since.
Balyasny Asset Management's CoStar Group position peaked at $115M in Q4 2017.
795 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Balyasny Asset Management's 13F filing for Q1 2026, filed 15 May 2026.