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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
Q2 		$11.3M Buy
369,400
+366,363
+12,063% +$12.6M 2.83% 11
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

Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
Geode Capital Management
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
Polen Capital Management Boca Raton, Florida $11.6B AUM 8.03% 1-Year Est. Return

Landmark Investment Partners's CSGP Position: Q2 2026 in Review

Landmark Investment Partners increased its CoStar Group (CSGP) stake by 20% in Q2 2026, buying an estimated $827K and bringing the position to 144,011 shares worth $4.4M. The position accounts for 1.1% of the portfolio, ranked #34.

Landmark Investment Partners first reported a position in CSGP in Q4 2024 and has held it in 7 quarters since. The position peaked at $22.4M in Q1 2025. 759 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

  • Landmark Investment Partners held 144,011 shares of CoStar Group worth $4.4M as of Q2 2026.
  • Landmark Investment Partners bought 24,045 CoStar Group shares in Q2 2026, an estimated $827K.
  • CoStar Group made up 1.1% of Landmark Investment Partners's portfolio in Q2 2026, its #34 holding.
  • Landmark Investment Partners first reported a position in CoStar Group in Q4 2024 and has held it in 7 quarters since.
  • Landmark Investment Partners's CoStar Group position peaked at $22.4M in Q1 2025.
  • 759 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on Landmark Investment Partners's 13F filing for Q2 2026, filed 14 Aug 2026.