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Castle Hook Partners’s CoStar Group CSGP Stock Holding History

Castle Hook 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
2025
Q3 		– Sell
-31,593
Closed -$2.54M – 70
2025
Q2 		$2.54M Buy
+31,593
New +$2.46M 0.01% 56
2017
Q4 		– Sell
-513,000
Closed -$13.8M – 59
2017
Q3 		$13.8M Buy
+513,000
New +$14.2M 0.45% 38

Other funds holding CSGP

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Castle Hook Partners's CSGP Position: Q3 2025 in Review

Castle Hook Partners sold out of CoStar Group (CSGP) in Q3 2025, closing a stake of 31,593 shares — an estimated $2.54M sold.

Castle Hook Partners first reported a position in CSGP in Q3 2017 and held it in 2 quarters. The position peaked at $13.8M in Q3 2017. 905 funds tracked by Wall St. Rank hold CSGP as of Q3 2025.

  • Castle Hook Partners reported no remaining CoStar Group position as of Q3 2025 after selling out during the quarter.
  • Castle Hook Partners sold 31,593 CoStar Group shares in Q3 2025, an estimated $2.54M.
  • Castle Hook Partners first reported a position in CoStar Group in Q3 2017 and held it in 2 quarters.
  • Castle Hook Partners's CoStar Group position peaked at $13.8M in Q3 2017.
  • 905 funds tracked by Wall St. Rank held CoStar Group as of Q3 2025.

Based on Castle Hook Partners's 13F filing for Q3 2025, filed 14 Nov 2025.