Walleye Trading
CSGP icon

Walleye Trading’s CoStar Group CSGP Stock Holding History

Walleye Trading’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 		$932K Buy
32,900
+3,400
+12% +$117K ﹤0.01% 2331
2026
Q1 		$1.19M Sell
29,500
-26,200
-47% -$1.36M ﹤0.01% 2031
2025
Q4 		$3.75M Buy
55,700
+18,800
+51% +$1.33M 0.01% 1468
2025
Q3 		$3.11M Sell
36,900
-6,300
-15% -$557K ﹤0.01% 1533
2025
Q2 		$3.47M Sell
43,200
-14,100
-25% -$1.1M 0.01% 1409
2025
Q1 		$4.54M Sell
57,300
-17,200
-23% -$1.31M 0.01% 1156
2024
Q4 		$5.33M Buy
74,500
+37,500
+101% +$2.83M 0.01% 1108
2024
Q3 		$2.79M Sell
37,000
-8,100
-18% -$614K 0.01% 1469
2024
Q2 		$3.34M Sell
45,100
-5,000
-10% -$424K 0.01% 1281
2024
Q1 		$4.84M Buy
50,100
+15,100
+43% +$1.3M 0.01% 1146
2023
Q4 		$3.06M Sell
35,000
-42,700
-55% -$3.46M 0.01% 1587
2023
Q3 		$5.97M Sell
77,700
-9,700
-11% -$804K 0.02% 991
2023
Q2 		$7.78M Sell
87,400
-29,800
-25% -$2.3M 0.02% 698
2023
Q1 		$8.07M Buy
117,200
+12,100
+12% +$893K 0.02% 736
2022
Q4 		$8.12M Buy
105,100
+22,000
+26% +$1.72M 0.02% 787
2022
Q3 		$5.79M Buy
83,100
+37,700
+83% +$2.62M 0.02% 934
2022
Q2 		$2.74M Sell
45,400
-4,200
-8% -$254K 0.01% 1416
2022
Q1 		$3.3M Buy
49,600
+44,000
+786% +$2.92M 0.01% 1278
2021
Q4 		$443K Buy
+5,600
New +$470K ﹤0.01% 3082
2021
Q3 		– Sell
-3,000
Closed -$248K – 5279
2021
Q2 		$248K Hold
3,000
– – ﹤0.01% 3721
2021
Q1 		$247K Buy
+3,000
New +$259K ﹤0.01% 3431
2020
Q3 		– Sell
-5,000
Closed -$355K – 4186
2020
Q2 		$355K Hold
5,000
– – ﹤0.01% 2570
2020
Q1 		$294K Buy
+5,000
New +$326K ﹤0.01% 2311
2019
Q4 		– Sell
-3,000
Closed -$178K – 4291
2019
Q3 		$178K Buy
+3,000
New +$180K ﹤0.01% 3009

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

Walleye Trading's CSGP Position: Q2 2026 in Review

Walleye Trading reduced its CoStar Group (CSGP) stake by 48% in Q2 2026, selling an estimated $1.2M and leaving 37,613 shares worth $1.07M. The position accounts for ﹤0.01% of the portfolio, ranked #2265.

Walleye Trading first reported a position in CSGP in Q1 2018 and has held it in 14 quarters since. The position peaked at $2.93M in Q1 2026. 760 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

  • Walleye Trading held 37,613 shares of CoStar Group worth $1.07M as of Q2 2026.
  • Walleye Trading sold 34,896 CoStar Group shares in Q2 2026, an estimated $1.2M.
  • CoStar Group made up ﹤0.01% of Walleye Trading's portfolio in Q2 2026, its #2265 holding.
  • Walleye Trading first reported a position in CoStar Group in Q1 2018 and has held it in 14 quarters since.
  • Walleye Trading's CoStar Group position peaked at $2.93M in Q1 2026.
  • 760 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on Walleye Trading's 13F filing for Q2 2026, filed 3 Aug 2026.