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
Q2 		$87.8K Sell
3,100
-14,900
-83% -$512K ﹤0.01% 2422
2026
Q1 		$726K Buy
18,000
+7,800
+76% +$406K ﹤0.01% 1839
2025
Q4 		$686K Sell
10,200
-15,500
-60% -$1.1M ﹤0.01% 1954
2025
Q3 		$2.17M Sell
25,700
-52,600
-67% -$4.65M ﹤0.01% 1456
2025
Q2 		$6.3M Buy
+78,300
New +$6.1M 0.01% 841

Other funds holding CSGP

Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
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 $3.38T AUM 44.17% 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

PEAK6's CSGP Position: Q2 2026 in Review

PEAK6 sold out of CoStar Group (CSGP) in Q2 2026, closing a stake of 26,037 shares — an estimated $896K sold.

PEAK6 first reported a position in CSGP in Q1 2025 and held it in 2 quarters. The position peaked at $8.05M in Q1 2025. 760 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

  • PEAK6 reported no remaining CoStar Group position as of Q2 2026 after selling out during the quarter.
  • PEAK6 sold 26,037 CoStar Group shares in Q2 2026, an estimated $896K.
  • PEAK6 first reported a position in CoStar Group in Q1 2025 and held it in 2 quarters.
  • PEAK6's CoStar Group position peaked at $8.05M in Q1 2025.
  • 760 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.