Dark Forest Capital Management’s CoStar Group CSGP Stock Holding History

Dark Forest Capital 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 Q2	$1.14M	Buy	+40,369	New	+$1.39M	0.07%	463
2025 Q4	–	Sell	-14,497	Closed	-$1.22M	–	1046
2025 Q3	$1.22M	Sell	14,497 -8,156	-36%	-$721K	0.05%	666
2025 Q2	$1.82M	Buy	22,653 +19,407	+598%	+$1.51M	0.07%	486
2025 Q1	$257K	Buy	+3,246	New	+$247K	0.01%	1103
2024 Q4	–	Sell	-3,406	Closed	-$257K	–	1011
2024 Q3	$257K	Buy	+3,406	New	+$258K	0.03%	727
2023 Q1	–	Sell	-225	Closed	-$17.4K	–	1219
2022 Q4	$17.4K	Buy	+225	New	+$17.6K	﹤0.01%	612
2022 Q3	–	Sell	-469	Closed	-$28K	–	1191
2022 Q2	$28K	Sell	469 -18,827	-98%	-$1.14M	0.01%	449
2022 Q1	$1.28M	Buy	19,296 +19,267	+66,438%	+$1.28M	0.3%	79
2021 Q4	$2K	Sell	29 -442	-94%	-$37.1K	﹤0.01%	1290
2021 Q3	$41K	Sell	471 -4,993	-91%	-$432K	0.01%	612
2021 Q2	$453K	Buy	+5,464	New	+$472K	0.2%	43

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

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

State Street Boston, Massachusetts $3.37T AUM 44.26% 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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

ACM

AKRE Capital Management Middleburg, Virginia $5.12B AUM 19.08% 1-Year Est. Return

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

Dark Forest Capital Management's CSGP Position: Q2 2026 in Review

Dark Forest Capital Management opened a new position in CoStar Group (CSGP) in Q2 2026: 40,369 shares worth $1.14M. The stake represents 0.07% of the portfolio and ranks #463 among its holdings. This is a return to the name: Dark Forest Capital Management previously reported a position in CSGP as recently as Q3 2025.

Dark Forest Capital Management first reported a position in CSGP in Q2 2021 and has held it in 11 quarters since. The position peaked at $1.82M in Q2 2025. 758 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

Dark Forest Capital Management held 40,369 shares of CoStar Group worth $1.14M as of Q2 2026.
CoStar Group was a new Dark Forest Capital Management position in Q2 2026.
CoStar Group made up 0.07% of Dark Forest Capital Management's portfolio in Q2 2026, its #463 holding.
Dark Forest Capital Management first reported a position in CoStar Group in Q2 2021 and has held it in 11 quarters since.
Dark Forest Capital Management's CoStar Group position peaked at $1.82M in Q2 2025.
758 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on Dark Forest Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.