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 		$31.2K Sell
1,100
-2,000
-65% -$68.8K ﹤0.01% 3681
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

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.