Simplex Trading
CSGP icon

Simplex Trading’s CoStar Group CSGP Stock Holding History

Simplex 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 		$3.87M Sell
95,900
-81,700
-46% -$4.25M ﹤0.01% 1301
2025
Q4 		$6.48M Buy
177,600
+3,800
+2% +$269K ﹤0.01% 1110
2025
Q3 		$14.7M Buy
173,800
+27,900
+19% +$2.47M 0.01% 760
2025
Q2 		$11.7M Sell
145,900
-26,000
-15% -$2.03M 0.01% 791
2025
Q1 		$13.6M Buy
171,900
+92,100
+115% +$7.01M 0.01% 702
2024
Q4 		$5.71M Sell
79,800
-121,900
-60% -$9.21M ﹤0.01% 1384
2024
Q3 		$15.2M Buy
201,700
+58,600
+41% +$4.44M 0.01% 783
2024
Q2 		$10.6M Buy
143,100
+83,300
+139% +$7.06M 0.01% 981
2024
Q1 		$5.78M Sell
59,800
-23,300
-28% -$2.01M ﹤0.01% 1504
2023
Q4 		$7.26M Buy
83,100
+75,100
+939% +$6.08M ﹤0.01% 1304
2023
Q3 		$615K Sell
8,000
-16,500
-67% -$1.37M ﹤0.01% 3181
2023
Q2 		$2.18M Buy
24,500
+2,200
+10% +$170K ﹤0.01% 1915
2023
Q1 		$1.53M Sell
22,300
-8,900
-29% -$657K ﹤0.01% 2175
2022
Q4 		$2.41M Sell
31,200
-10,900
-26% -$852K ﹤0.01% 1727
2022
Q3 		$2.93M Sell
42,100
-8,700
-17% -$604K ﹤0.01% 1635
2022
Q2 		$3.07M Sell
50,800
-20,300
-29% -$1.23M ﹤0.01% 1485
2022
Q1 		$4.74M Buy
71,100
+57,800
+435% +$3.84M ﹤0.01% 1290
2021
Q4 		$1.05M Sell
13,300
-60,900
-82% -$5.11M ﹤0.01% 2791
2021
Q3 		$6.18M Buy
74,200
+2,300
+3% +$199K 0.01% 1029
2021
Q2 		$5.95M Buy
+71,900
New +$6.22M 0.01% 1037
2021
Q1 		– Sell
-180
Closed -$1.66M – 8980
2020
Q4 		$1.66M Sell
180
-240
-57% -$21K ﹤0.01% 1966
2020
Q3 		$3.56M Sell
420
-950
-69% -$75.7K ﹤0.01% 1088
2020
Q2 		$9.74M Sell
1,370
-310
-18% -$20K 0.02% 532
2020
Q1 		$9.87M Buy
1,680
+290
+21% +$18.9K 0.02% 425
2019
Q4 		$8.32M Buy
1,390
+1,030
+286% +$60.1K 0.02% 540
2019
Q3 		$2.13M Buy
360
+330
+1,100% +$19.8K 0.01% 1291
2019
Q2 		$166K Buy
+30
New +$1.53K ﹤0.01% 3659
2019
Q1 		– Sell
-10
Closed -$33K – 7215
2018
Q4 		$33K Buy
+10
New +$365 ﹤0.01% 4923
2018
Q3 		– Sell
-2,190
Closed -$9.04M – 7483
2018
Q2 		$9.04M Buy
2,190
+2,050
+1,464% +$78.9K 0.04% 375
2018
Q1 		$173K Hold
140
– – 0.01% 1340
2017
Q4 		$88K Sell
140
-680
-83% -$19.9K ﹤0.01% 1905
2017
Q3 		$93K Sell
820
-1,230
-60% -$34.1K ﹤0.01% 1769
2017
Q2 		$299K Buy
+2,050
New +$49.9K 0.01% 948
2017
Q1 		– Sell
-190
Closed -$5K – 6225
2016
Q4 		$5K Buy
190
+10
+6% +$196 ﹤0.01% 4323
2016
Q3 		$15K Buy
+180
New +$3.83K ﹤0.01% 3238
2016
Q1 		– Sell
-10
Closed -$2K – 5662
2015
Q4 		$2K Buy
+10
New +$199 ﹤0.01% 4460

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

Simplex Trading's CSGP Position: Q2 2025 in Review

Simplex Trading sold out of CoStar Group (CSGP) in Q2 2025, closing a stake of 25,214 shares — an estimated $1.96M sold.

Simplex Trading first reported a position in CSGP in Q4 2014 and held it in 15 quarters. The position peaked at $7.47M in Q2 2020. 871 funds tracked by Wall St. Rank hold CSGP as of Q2 2025.

  • Simplex Trading reported no remaining CoStar Group position as of Q2 2025 after selling out during the quarter.
  • Simplex Trading sold 25,214 CoStar Group shares in Q2 2025, an estimated $1.96M.
  • Simplex Trading first reported a position in CoStar Group in Q4 2014 and held it in 15 quarters.
  • Simplex Trading's CoStar Group position peaked at $7.47M in Q2 2020.
  • 871 funds tracked by Wall St. Rank held CoStar Group as of Q2 2025.

Based on Simplex Trading's 13F filing for Q2 2025, filed 5 Aug 2025.