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 		$633K Sell
15,700
-47,300
-75% -$2.46M ﹤0.01% 3124
2025
Q4 		$4.24M Sell
63,000
-12,600
-17% -$893K 0.01% 1655
2025
Q3 		$6.38M Buy
75,600
+2,300
+3% +$203K 0.01% 1276
2025
Q2 		$5.89M Sell
73,300
-600
-0.8% -$46.7K 0.01% 1200
2025
Q1 		$5.86M Buy
73,900
+64,200
+662% +$4.88M 0.02% 947
2024
Q4 		$694K Buy
9,700
+9,200
+1,840% +$695K ﹤0.01% 2902
2024
Q3 		$37.7K Sell
500
-7,000
-93% -$531K ﹤0.01% 4828
2024
Q2 		$556K Buy
7,500
+6,600
+733% +$559K ﹤0.01% 2466
2024
Q1 		$86.9K Buy
900
+400
+80% +$34.4K ﹤0.01% 4260
2023
Q4 		$43.7K Sell
500
-22,000
-98% -$1.78M ﹤0.01% 5175
2023
Q3 		$1.73M Sell
22,500
-8,300
-27% -$688K 0.01% 1767
2023
Q2 		$2.74M Buy
30,800
+3,000
+11% +$232K 0.01% 1420
2023
Q1 		$1.91M Buy
27,800
+24,700
+797% +$1.82M 0.01% 1567
2022
Q4 		$240K Buy
3,100
+200
+7% +$15.6K ﹤0.01% 3711
2022
Q3 		$202K Buy
+2,900
New +$201K ﹤0.01% 4135
2022
Q2 		– Sell
-200
Closed -$13K – 7921
2022
Q1 		$13K Sell
200
-400
-67% -$26.6K ﹤0.01% 7039
2021
Q4 		$47K Buy
+600
New +$50.3K ﹤0.01% 6384
2021
Q2 		– Sell
-12,000
Closed -$986K – 8207
2021
Q1 		$986K Buy
+12,000
New +$1.04M ﹤0.01% 3248

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.