PEAK6
CSGP icon

PEAK6’s CoStar Group CSGP Stock Holding History

PEAK6’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
-153,000
Closed -$10.3M – 2817
2025
Q4 		$10.3M Sell
153,000
-67,500
-31% -$4.78M 0.02% 628
2025
Q3 		$18.6M Buy
220,500
+99,500
+82% +$8.79M 0.03% 446
2025
Q2 		$9.73M Buy
121,000
+114,800
+1,852% +$8.94M 0.02% 642
2025
Q1 		$491K Buy
+6,200
New +$472K ﹤0.01% 2089

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

PEAK6's CSGP Position: Q1 2026 in Review

PEAK6 opened a new position in CoStar Group (CSGP) in Q1 2026: 26,037 shares worth $1.05M. The stake represents ﹤0.01% of the portfolio and ranks #1678 among its holdings. This is a return to the name: PEAK6 previously reported a position in CSGP as recently as Q1 2025.

PEAK6 first reported a position in CSGP in Q1 2025 and has held it in 2 quarters since. The position peaked at $8.05M in Q1 2025. 792 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • PEAK6 held 26,037 shares of CoStar Group worth $1.05M as of Q1 2026.
  • CoStar Group was a new PEAK6 position in Q1 2026.
  • CoStar Group made up ﹤0.01% of PEAK6's portfolio in Q1 2026, its #1678 holding.
  • PEAK6 first reported a position in CoStar Group in Q1 2025 and has held it in 2 quarters since.
  • PEAK6's CoStar Group position peaked at $8.05M in Q1 2025.
  • 792 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on PEAK6's 13F filing for Q1 2026, filed 14 May 2026.