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
$125K Sell
3,100
-42,400
-93% -$2.21M ﹤0.01% 3356
2025
Q4
$3.06M Sell
45,500
-8,900
-16% -$630K ﹤0.01% 1617
2025
Q3
$4.59M Buy
54,400
+32,800
+152% +$2.9M 0.01% 1295
2025
Q2
$1.74M Buy
21,600
+6,200
+40% +$483K ﹤0.01% 1816
2025
Q1
$1.22M Sell
15,400
-23,300
-60% -$1.77M ﹤0.01% 1943
2024
Q4
$2.77M Buy
38,700
+26,800
+225% +$2.02M 0.01% 1497
2024
Q3
$898K Sell
11,900
-9,400
-44% -$713K ﹤0.01% 2167
2024
Q2
$1.58M Sell
21,300
-11,500
-35% -$975K ﹤0.01% 1756
2024
Q1
$3.17M Buy
32,800
+2,700
+9% +$232K 0.01% 1435
2023
Q4
$2.63M Sell
30,100
-3,400
-10% -$275K 0.01% 1714
2023
Q3
$2.58M Buy
33,500
+25,900
+341% +$2.15M 0.01% 1588
2023
Q2
$676K Sell
7,600
-1,200
-14% -$92.6K ﹤0.01% 2504
2023
Q1
$606K Sell
8,800
-30,300
-77% -$2.24M ﹤0.01% 2630
2022
Q4
$3.02M Buy
39,100
+29,400
+303% +$2.3M 0.01% 1399
2022
Q3
$676K Buy
9,700
+9,400
+3,133% +$653K ﹤0.01% 2623
2022
Q2
$18K Sell
300
-3,500
-92% -$212K ﹤0.01% 4538
2022
Q1
$253K Buy
3,800
+1,300
+52% +$86.3K ﹤0.01% 3593
2021
Q4
$198K Buy
+2,500
New +$210K ﹤0.01% 3867
2021
Q3
Sell
-9,400
Closed -$779K 5281
2021
Q2
$779K Buy
9,400
+8,400
+840% +$726K ﹤0.01% 2416
2021
Q1
$82K Buy
+1,000
New +$86.3K ﹤0.01% 4181
2020
Q4
Sell
-4,000
Closed -$339K 4652
2020
Q3
$339K Sell
4,000
-12,000
-75% -$956K ﹤0.01% 2575
2020
Q2
$1.14M Buy
16,000
+8,000
+100% +$517K 0.01% 1549
2020
Q1
$470K Buy
+8,000
New +$521K ﹤0.01% 1915
2019
Q4
Sell
-2,000
Closed -$119K 4293
2019
Q3
$119K Buy
+2,000
New +$120K ﹤0.01% 3253

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.