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Dennis Hong’s CoStar Group CSGP Stock Holding History

Dennis Hong’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 		– Sell
-339,081
Closed -$13.7M – 12
2026
Q1 		$13.7M Sell
339,081
-618,476
-65% -$32.2M 5.11% 9
2025
Q4 		$64.4M Buy
957,557
+61,523
+7% +$4.36M 12.12% 3
2025
Q3 		$75.6M Sell
896,034
-460,026
-34% -$40.7M 11.24% 5
2025
Q2 		$109M Buy
1,356,060
+207,758
+18% +$16.2M 13.76% 2
2025
Q1 		$91M Buy
1,148,302
+238,499
+26% +$18.1M 12.5% 5
2024
Q4 		$65.1M Buy
+909,803
New +$68.7M 8.63% 6

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

Dennis Hong's CSGP Position: Q2 2026 in Review

Dennis Hong sold out of CoStar Group (CSGP) in Q2 2026, closing a stake of 339,081 shares — an estimated $13.7M sold.

Dennis Hong first reported a position in CSGP in Q4 2024 and held it in 6 quarters. The position peaked at $109M in Q2 2025. 754 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

  • Dennis Hong reported no remaining CoStar Group position as of Q2 2026 after selling out during the quarter.
  • Dennis Hong sold 339,081 CoStar Group shares in Q2 2026, an estimated $13.7M.
  • Dennis Hong first reported a position in CoStar Group in Q4 2024 and held it in 6 quarters.
  • Dennis Hong's CoStar Group position peaked at $109M in Q2 2025.
  • 754 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

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