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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 		$12.3M Sell
3,037
-202,463
-99% -$10.5M 8.79% 2
2025
Q4 		$13.8M Buy
+205,500
New +$14.6M 6.46% 1
2025
Q3 		– Sell
-14,700
Closed -$1.18M – 77
2025
Q2 		$1.18M Sell
14,700
-27,500
-65% -$2.14M 0.31% 53
2025
Q1 		$3.34M Buy
+42,200
New +$3.21M 0.88% 28

Other funds holding CSGP

VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
Polen Capital Management
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.