Vanguard Portfolio Management
CSGP icon

Vanguard Portfolio Management’s CoStar Group CSGP Stock Holding History

Vanguard Portfolio Management’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
Q3 		$913M Sell
33,326,170
-4,588,674
-12% -$138M 0.04% 450
2026
Q2 		$1.07B Sell
37,914,844
-319,289
-0.8% -$11M 0.05% 424
2026
Q1 		$1.54B Buy
+38,234,133
New +$1.99B 0.08% 282

Other funds holding CSGP

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Capital International Investors
Capital International Investors Los Angeles, California $483B AUM 27.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $106B AUM 2.29% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
AKRE Capital Management
AKRE Capital Management Middleburg, Virginia $4.42B AUM 17.77% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $71.4B AUM 33.43% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $296B AUM 23.14% 1-Year Est. Return

Vanguard Portfolio Management's CSGP Position: Q3 2026 in Review

Vanguard Portfolio Management reduced its CoStar Group (CSGP) stake by 12% in Q3 2026, selling an estimated $138M and leaving 33,326,170 shares worth $913M. The position accounts for 0.04% of the portfolio, ranked #450.

Vanguard Portfolio Management first reported a position in CSGP in Q1 2026 and has held it in 3 quarters since. The position peaked at $1.54B in Q1 2026. 552 funds tracked by Wall St. Rank hold CSGP as of Q3 2026.

  • Vanguard Portfolio Management held 33,326,170 shares of CoStar Group worth $913M as of Q3 2026.
  • Vanguard Portfolio Management sold 4,588,674 CoStar Group shares in Q3 2026, an estimated $138M.
  • CoStar Group made up 0.04% of Vanguard Portfolio Management's portfolio in Q3 2026, its #450 holding.
  • Vanguard Portfolio Management first reported a position in CoStar Group in Q1 2026 and has held it in 3 quarters since.
  • Vanguard Portfolio Management's CoStar Group position peaked at $1.54B in Q1 2026.
  • 552 funds tracked by Wall St. Rank held CoStar Group as of Q3 2026.

Based on Vanguard Portfolio Management's 13F filing for Q3 2026, filed 13 Nov 2026.