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&Partners’s CoStar Group CSGP Stock Holding History

&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
2026
Q1 		$1.15M Buy
28,454
+5,527
+24% +$288K 0.01% 1219
2025
Q4 		$1.51M Sell
22,927
-3,849
-14% -$273K 0.01% 996
2025
Q3 		$2.26M Buy
26,776
+1,222
+5% +$108K 0.01% 703
2025
Q2 		$2.05M Buy
25,554
+10,480
+70% +$816K 0.02% 658
2025
Q1 		$1.2M Buy
15,074
+3,454
+30% +$263K 0.01% 750
2024
Q4 		$840K Buy
11,620
+3,860
+50% +$292K 0.01% 848
2024
Q3 		$583K Buy
+7,760
New +$588K 0.01% 791

Other funds holding CSGP

VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
Polen Capital Management
Polen Capital Management Boca Raton, Florida $14.5B AUM 5.7% 1-Year Est. Return

&Partners's CSGP Position: Q1 2026 in Review

&Partners increased its CoStar Group (CSGP) stake by 24% in Q1 2026, buying an estimated $288K and bringing the position to 28,454 shares worth $1.15M. The position accounts for 0.01% of the portfolio, ranked #1219.

&Partners first reported a position in CSGP in Q3 2024 and has held it in 7 quarters since. The position peaked at $2.26M in Q3 2025. 792 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • &Partners held 28,454 shares of CoStar Group worth $1.15M as of Q1 2026.
  • &Partners bought 5,527 CoStar Group shares in Q1 2026, an estimated $288K.
  • CoStar Group made up 0.01% of &Partners's portfolio in Q1 2026, its #1219 holding.
  • &Partners first reported a position in CoStar Group in Q3 2024 and has held it in 7 quarters since.
  • &Partners's CoStar Group position peaked at $2.26M in Q3 2025.
  • 792 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on &Partners's 13F filing for Q1 2026, filed 15 May 2026.