Walleye Trading’s CoStar Group CSGP Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
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

Walleye Trading's CSGP Position: Q1 2026 in Review

Walleye Trading increased its CoStar Group (CSGP) stake by 505% in Q1 2026, buying an estimated $3.15M and bringing the position to 72,509 shares worth $2.93M. The position accounts for ﹤0.01% of the portfolio, ranked #1462.

Walleye Trading first reported a position in CSGP in Q1 2018 and has held it in 13 quarters since. 792 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • Walleye Trading held 72,509 shares of CoStar Group worth $2.93M as of Q1 2026.
  • Walleye Trading bought 60,518 CoStar Group shares in Q1 2026, an estimated $3.15M.
  • CoStar Group made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #1462 holding.
  • Walleye Trading first reported a position in CoStar Group in Q1 2018 and has held it in 13 quarters since.
  • 792 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.