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
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

VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
Polen Capital Management
Polen Capital Management Boca Raton, Florida $14.5B AUM 5.7% 1-Year Est. Return

Group One Trading's CSGP Position: Q1 2026 in Review

Group One Trading sold out of CoStar Group (CSGP) in Q1 2026, closing a stake of 19,737 shares — an estimated $1.03M sold.

Group One Trading first reported a position in CSGP in Q4 2020 and held it in 7 quarters. The position peaked at $1.33M in Q4 2025. 792 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • Group One Trading reported no remaining CoStar Group position as of Q1 2026 after selling out during the quarter.
  • Group One Trading sold 19,737 CoStar Group shares in Q1 2026, an estimated $1.03M.
  • Group One Trading first reported a position in CoStar Group in Q4 2020 and held it in 7 quarters.
  • Group One Trading's CoStar Group position peaked at $1.33M in Q4 2025.
  • 792 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.