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 		$1.07M Sell
37,613
-34,896
-48% -$1.2M ﹤0.01% 2265
2026
Q1 		$2.93M Buy
72,509
+60,518
+505% +$3.15M ﹤0.01% 1462
2025
Q4 		$806K Buy
11,991
+3,203
+36% +$227K ﹤0.01% 2513
2025
Q3 		$741K Buy
+8,788
New +$777K ﹤0.01% 2466
2024
Q3 		– Sell
-10,880
Closed -$825K – 4177
2024
Q2 		$807K Buy
+10,880
New +$922K ﹤0.01% 2215
2024
Q1 		– Sell
-13,099
Closed -$1.13M – 4851
2023
Q4 		$1.14M Buy
+13,099
New +$1.06M ﹤0.01% 2355
2022
Q1 		– Sell
-1,512
Closed -$100K – 5409
2021
Q4 		$119K Buy
+1,512
New +$127K ﹤0.01% 4278
2021
Q3 		– Sell
-12,262
Closed -$1.02M – 5280
2021
Q2 		$1.02M Buy
+12,262
New +$1.06M ﹤0.01% 2116
2020
Q4 		– Sell
-3,010
Closed -$255K – 4651
2020
Q3 		$255K Sell
3,010
-4,860
-62% -$387K ﹤0.01% 2808
2020
Q2 		$559K Sell
7,870
-210
-3% -$13.6K ﹤0.01% 2187
2020
Q1 		$474K Buy
+8,080
New +$527K ﹤0.01% 1908
2019
Q4 		– Sell
-320
Closed -$19K – 4292
2019
Q3 		$19K Buy
+320
New +$19.2K ﹤0.01% 3763
2018
Q3 		– Sell
-14,550
Closed -$600K – 5308
2018
Q2 		$600K Buy
14,550
+8,310
+133% +$320K ﹤0.01% 2655
2018
Q1 		$226K Buy
+6,240
New +$215K ﹤0.01% 3398

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.