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Picton Mahoney Asset Management’s CoStar Group CSGP Stock Holding History

Picton Mahoney Asset 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
Q1 		– Sell
-500,000
Closed -$33.6M – 1286
2025
Q4 		$33.6M Buy
+500,000
New +$35.4M 0.26% 72

Other funds holding CSGP

VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 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 $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
Polen Capital Management
Polen Capital Management Boca Raton, Florida $11.6B AUM 8.03% 1-Year Est. Return

Picton Mahoney Asset Management's CSGP Position: Q1 2026 in Review

Picton Mahoney Asset Management sold out of CoStar Group (CSGP) in Q1 2026, closing a stake of 4,140 shares — an estimated $278K sold.

Picton Mahoney Asset Management first reported a position in CSGP in Q1 2017 and held it in 31 quarters. The position peaked at $23.2M in Q2 2019. 795 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • Picton Mahoney Asset Management reported no remaining CoStar Group position as of Q1 2026 after selling out during the quarter.
  • Picton Mahoney Asset Management sold 4,140 CoStar Group shares in Q1 2026, an estimated $278K.
  • Picton Mahoney Asset Management first reported a position in CoStar Group in Q1 2017 and held it in 31 quarters.
  • Picton Mahoney Asset Management's CoStar Group position peaked at $23.2M in Q2 2019.
  • 795 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Picton Mahoney Asset Management's 13F filing for Q1 2026, filed 13 May 2026.