Landmark Investment Partners’s CoStar Group CSGP Stock Holding History

Landmark Investment Partners’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	$4.84M	Sell	119,966 -34,514	-22%	-$1.8M	3.47%	13
2025 Q4	$10.4M	Buy	154,480 +5,095	+3%	+$361K	4.86%	6
2025 Q3	$12.6M	Sell	149,385 -126,765	-46%	-$11.2M	3.85%	2
2025 Q2	$22.2M	Sell	276,150 -6,816	-2%	-$531K	5.89%	2
2025 Q1	$22.4M	Buy	282,966 +245,247	+650%	+$18.7M	5.9%	4
2024 Q4	$2.7M	Buy	+37,719	New	+$2.85M	1.09%	17

Other funds holding CSGP

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 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 $97.9B AUM 20.73% 1-Year Est. Return

Polen Capital Management Boca Raton, Florida $14.5B AUM 5.7% 1-Year Est. Return

Landmark Investment Partners's CSGP Position: Q1 2026 in Review

Landmark Investment Partners reduced its CoStar Group (CSGP) stake by 22% in Q1 2026, selling an estimated $1.8M and leaving 119,966 shares worth $4.84M. The position accounts for 3.47% of the portfolio, ranked #13.

Landmark Investment Partners first reported a position in CSGP in Q4 2024 and has held it in 6 quarters since. The position peaked at $22.4M in Q1 2025. 792 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

Landmark Investment Partners held 119,966 shares of CoStar Group worth $4.84M as of Q1 2026.
Landmark Investment Partners sold 34,514 CoStar Group shares in Q1 2026, an estimated $1.8M.
CoStar Group made up 3.47% of Landmark Investment Partners's portfolio in Q1 2026, its #13 holding.
Landmark Investment Partners first reported a position in CoStar Group in Q4 2024 and has held it in 6 quarters since.
Landmark Investment Partners's CoStar Group position peaked at $22.4M in Q1 2025.
792 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Landmark Investment Partners's 13F filing for Q1 2026, filed 15 May 2026.