Group One Trading
CSGP icon

Group One Trading’s CoStar Group CSGP Stock Holding History

Group One 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
Q3 		$8.57M Buy
312,600
+20,000
+7% +$601K 0.01% 1041
2026
Q2 		$8.29M Buy
292,600
+22,600
+8% +$777K 0.01% 1063
2026
Q1 		$10.9M Sell
270,000
-99,100
-27% -$5.16M 0.02% 791
2025
Q4 		$24.8M Buy
369,100
+37,000
+11% +$2.62M 0.04% 428
2025
Q3 		$28M Sell
332,100
-68,700
-17% -$6.07M 0.05% 357
2025
Q2 		$32.2M Sell
400,800
-36,700
-8% -$2.86M 0.07% 252
2025
Q1 		$34.7M Buy
437,500
+406,900
+1,330% +$31M 0.1% 162
2024
Q4 		$2.19M Sell
30,600
-21,000
-41% -$1.59M 0.01% 1829
2024
Q3 		$3.89M Buy
51,600
+11,700
+29% +$887K 0.01% 1198
2024
Q2 		$2.96M Buy
39,900
+12,600
+46% +$1.07M 0.01% 1148
2024
Q1 		$2.64M Sell
27,300
-10,400
-28% -$895K 0.01% 1292
2023
Q4 		$3.29M Sell
37,700
-21,500
-36% -$1.74M 0.01% 1449
2023
Q3 		$4.55M Buy
59,200
+9,200
+18% +$762K 0.02% 994
2023
Q2 		$4.45M Buy
50,000
+49,500
+9,900% +$3.82M 0.01% 1042
2023
Q1 		$34.4K Sell
500
-3,800
-88% -$280K ﹤0.01% 5138
2022
Q4 		$332K Sell
4,300
-2,000
-32% -$156K ﹤0.01% 3418
2022
Q3 		$439K Buy
6,300
+2,900
+85% +$201K ﹤0.01% 3356
2022
Q2 		$205K Sell
3,400
-17,300
-84% -$1.05M ﹤0.01% 4284
2022
Q1 		$1.38M Sell
20,700
-900
-4% -$59.8K ﹤0.01% 2765
2021
Q4 		$1.71M Sell
21,600
-100,300
-82% -$8.42M ﹤0.01% 2779
2021
Q3 		$10.5M Sell
121,900
-190,600
-61% -$16.5M 0.01% 1032
2021
Q2 		$25.9M Buy
+312,500
New +$27M 0.03% 491

Other funds holding CSGP

Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Capital International Investors
Capital International Investors Los Angeles, California $483B AUM 27.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $106B AUM 2.29% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
AKRE Capital Management
AKRE Capital Management Middleburg, Virginia $4.42B AUM 17.77% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $71.4B AUM 33.43% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return

Group One Trading's CSGP Position: Q3 2026 in Review

Group One Trading increased its CoStar Group (CSGP) stake by 424% in Q3 2026, buying an estimated $490K and bringing the position to 20,180 shares worth $553K. The position accounts for ﹤0.01% of the portfolio, ranked #3311.

Group One Trading first reported a position in CSGP in Q4 2020 and has held it in 9 quarters since. The position peaked at $1.33M in Q4 2025. 544 funds tracked by Wall St. Rank hold CSGP as of Q3 2026.

  • Group One Trading held 20,180 shares of CoStar Group worth $553K as of Q3 2026.
  • Group One Trading bought 16,331 CoStar Group shares in Q3 2026, an estimated $490K.
  • CoStar Group made up ﹤0.01% of Group One Trading's portfolio in Q3 2026, its #3311 holding.
  • Group One Trading first reported a position in CoStar Group in Q4 2020 and has held it in 9 quarters since.
  • Group One Trading's CoStar Group position peaked at $1.33M in Q4 2025.
  • 544 funds tracked by Wall St. Rank held CoStar Group as of Q3 2026.

Based on Group One Trading's 13F filing for Q3 2026, filed 10 Nov 2026.