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	$1.39M	Sell	34,500 -23,200	-40%	-$1.21M	﹤0.01%	2151
2025 Q4	$1.4M	Sell	57,700 -5,300	-8%	-$375K	﹤0.01%	2280
2025 Q3	$5.32M	Sell	63,000 -25,100	-28%	-$2.22M	﹤0.01%	1410
2025 Q2	$7.08M	Sell	88,100 -6,800	-7%	-$530K	﹤0.01%	1102
2025 Q1	$7.52M	Buy	94,900 +76,300	+410%	+$5.8M	﹤0.01%	1052
2024 Q4	$1.33M	Sell	18,600 -11,100	-37%	-$838K	﹤0.01%	2566
2024 Q3	$2.24M	Sell	29,700 -4,600	-13%	-$349K	﹤0.01%	2183
2024 Q2	$2.54M	Sell	34,300 -8,600	-20%	-$729K	﹤0.01%	1988
2024 Q1	$4.14M	Sell	42,900 -42,200	-50%	-$3.63M	﹤0.01%	1742
2023 Q4	$7.44M	Buy	85,100 +34,100	+67%	+$2.76M	﹤0.01%	1288
2023 Q3	$3.92M	Sell	51,000 -29,200	-36%	-$2.42M	﹤0.01%	1510
2023 Q2	$7.14M	Buy	80,200 +78,700	+5,247%	+$6.08M	0.01%	1081
2023 Q1	$103K	Sell	1,500 -54,300	-97%	-$4.01M	﹤0.01%	5116
2022 Q4	$4.31M	Buy	55,800 +34,100	+157%	+$2.66M	﹤0.01%	1308
2022 Q3	$1.51M	Buy	21,700 +20,200	+1,347%	+$1.4M	﹤0.01%	2227
2022 Q2	$90K	Sell	1,500 -43,000	-97%	-$2.6M	﹤0.01%	5702
2022 Q1	$2.96M	Buy	44,500 +39,700	+827%	+$2.64M	﹤0.01%	1708
2021 Q4	$379K	Sell	4,800 -50,300	-91%	-$4.22M	﹤0.01%	4210
2021 Q3	$4.59M	Hold	55,100	–	–	﹤0.01%	1284
2021 Q2	$4.56M	Buy	+55,100	New	+$4.76M	﹤0.01%	1267
2021 Q1	–	Sell	-250	Closed	-$2.31M	–	8982
2020 Q4	$2.31M	Buy	250 +120	+92%	+$10.5K	﹤0.01%	1634
2020 Q3	$1.1M	Sell	130 -690	-84%	-$55K	﹤0.01%	2129
2020 Q2	$5.83M	Sell	820 -90	-10%	-$5.82K	0.01%	770
2020 Q1	$5.34M	Sell	910 -10	-1%	-$652	0.01%	669
2019 Q4	$5.5M	Sell	920 -40	-4%	-$2.33K	0.01%	741
2019 Q3	$5.69M	Buy	+960	New	+$57.5K	0.02%	651
2019 Q2	–	Sell	-40	Closed	-$186K	–	7197
2019 Q1	$186K	Buy	+40	New	+$1.65K	﹤0.01%	3698
2018 Q4	–	Sell	-360	Closed	-$1.51M	–	7109
2018 Q3	$1.51M	Sell	360 -290	-45%	-$12.4K	﹤0.01%	1483
2018 Q2	$2.68M	Sell	650 -450	-41%	-$17.3K	0.01%	942
2018 Q1	$138K	Buy	1,100 +1,030	+1,471%	+$35.5K	0.01%	1534
2017 Q4	$4K	Hold	70	–	–	﹤0.01%	4660
2017 Q3	$5K	Sell	70 -30	-30%	-$833	﹤0.01%	4362
2017 Q2	$16K	Buy	+100	New	+$2.43K	﹤0.01%	3515
2016 Q4	–	Sell	-200	Closed	-$5K	–	5916
2016 Q3	$5K	Buy	+200	New	+$4.26K	﹤0.01%	4250
2015 Q4	–	Sell	-250	Closed	-$6K	–	5488
2015 Q3	$6K	Buy	+250	New	+$4.79K	﹤0.01%	3823
2015 Q1	–	Sell	-250	Closed	-$2K	–	5025
2014 Q4	$2K	Buy	+250	New	+$4.04K	﹤0.01%	3696

Other funds holding CSGP

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

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.