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Tremblant Capital Group’s CoStar Group CSGP Stock Holding History

Tremblant Capital Group’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 		$6.47M Sell
228,535
-1,277,496
-85% -$43.9M 0.19% 54
2026
Q1 		$60.8M Sell
1,506,031
-129,933
-8% -$6.76M 1.96% 25
2025
Q4 		$110M Buy
1,635,964
+1,410,036
+624% +$99.9M 2.81% 9
2025
Q3 		$19.1M Buy
225,928
+26,047
+13% +$2.3M 1.97% 23
2025
Q2 		$16.1M Buy
199,881
+103,252
+107% +$8.04M 1.55% 27
2025
Q1 		$7.66M Sell
96,629
-77,239
-44% -$5.88M 0.86% 33
2024
Q4 		$12.4M Buy
+173,868
New +$13.1M 1.29% 31

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

Tremblant Capital Group's CSGP Position: Q2 2026 in Review

Tremblant Capital Group reduced its CoStar Group (CSGP) stake by 85% in Q2 2026, selling an estimated $43.9M and leaving 228,535 shares worth $6.47M. The position accounts for 0.19% of the portfolio, ranked #54.

Tremblant Capital Group first reported a position in CSGP in Q4 2024 and has held it in 7 quarters since. The position peaked at $110M in Q4 2025. 759 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

  • Tremblant Capital Group held 228,535 shares of CoStar Group worth $6.47M as of Q2 2026.
  • Tremblant Capital Group sold 1,277,496 CoStar Group shares in Q2 2026, an estimated $43.9M.
  • CoStar Group made up 0.19% of Tremblant Capital Group's portfolio in Q2 2026, its #54 holding.
  • Tremblant Capital Group first reported a position in CoStar Group in Q4 2024 and has held it in 7 quarters since.
  • Tremblant Capital Group's CoStar Group position peaked at $110M in Q4 2025.
  • 759 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on Tremblant Capital Group's 13F filing for Q2 2026, filed 14 Aug 2026.