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
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 $6.73T 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
JT
Jupiter Topco New York $245B AUM

Vanguard Portfolio Management's CSGP Position: Q2 2026 in Review

Vanguard Portfolio Management reduced its CoStar Group (CSGP) stake by 0.84% in Q2 2026, selling an estimated $11M and leaving 37,914,844 shares worth $1.07B. The position accounts for 0.05% of the portfolio, ranked #424.

Vanguard Portfolio Management first reported a position in CSGP in Q1 2026 and has held it in 2 quarters since. The position peaked at $1.54B in Q1 2026. 699 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

  • Vanguard Portfolio Management held 37,914,844 shares of CoStar Group worth $1.07B as of Q2 2026.
  • Vanguard Portfolio Management sold 319,289 CoStar Group shares in Q2 2026, an estimated $11M.
  • CoStar Group made up 0.05% of Vanguard Portfolio Management's portfolio in Q2 2026, its #424 holding.
  • Vanguard Portfolio Management first reported a position in CoStar Group in Q1 2026 and has held it in 2 quarters since.
  • Vanguard Portfolio Management's CoStar Group position peaked at $1.54B in Q1 2026.
  • 699 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.