Citadel Advisors’s CoStar Group CSGP Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$4.46M Buy
110,600
+35,862
+48% +$1.87M ﹤0.01% 4533
2025
Q4
$5.03M Buy
74,738
+33,700
+82% +$2.39M ﹤0.01% 4281
2025
Q3
$3.46M Sell
41,038
-918
-2% -$81.1K ﹤0.01% 5036
2025
Q2
$3.37M Sell
41,956
-89,476
-68% -$6.97M ﹤0.01% 4777
2025
Q1
$10.4M Sell
131,432
-178,468
-58% -$13.6M ﹤0.01% 2796
2024
Q4
$22.2M Buy
309,900
+200,600
+184% +$15.1M ﹤0.01% 2059
2024
Q3
$8.25M Buy
109,300
+51,900
+90% +$3.94M ﹤0.01% 3207
2024
Q2
$4.26M Sell
57,400
-30,900
-35% -$2.62M ﹤0.01% 4002
2024
Q1
$8.53M Buy
88,300
+65,800
+292% +$5.66M ﹤0.01% 3140
2023
Q4
$1.97M Sell
22,500
-34,900
-61% -$2.82M ﹤0.01% 5384
2023
Q3
$4.41M Sell
57,400
-4,500
-7% -$373K ﹤0.01% 3870
2023
Q2
$5.51M Buy
61,900
+13,900
+29% +$1.07M ﹤0.01% 3505
2023
Q1
$3.3M Sell
48,000
-7,500
-14% -$553K ﹤0.01% 4485
2022
Q4
$4.29M Sell
55,500
-48,800
-47% -$3.81M ﹤0.01% 4117
2022
Q3
$7.26M Buy
104,300
+800
+0.8% +$55.5K ﹤0.01% 3248
2022
Q2
$6.25M Sell
103,500
-33,100
-24% -$2M ﹤0.01% 3399
2022
Q1
$9.1M Buy
136,600
+1,100
+0.8% +$73K ﹤0.01% 3092
2021
Q4
$10.7M Sell
135,500
-145,500
-52% -$12.2M ﹤0.01% 2965
2021
Q3
$24.2M Sell
281,000
-61,100
-18% -$5.28M 0.01% 1799
2021
Q2
$28.3M Buy
342,100
+63,100
+23% +$5.45M 0.01% 1679
2021
Q1
$22.9M Buy
+279,000
New +$24.1M 0.01% 1792

Other funds holding CSGP

Citadel Advisors's CSGP Position: Q1 2026 in Review

Citadel Advisors increased its CoStar Group (CSGP) stake by 80% in Q1 2026, buying an estimated $25.2M and bringing the position to 1,088,204 shares worth $43.9M. The position accounts for 0.01% of the portfolio, ranked #1484.

Citadel Advisors first reported a position in CSGP in Q3 2013 and has held it in 48 quarters since. The position peaked at $193M in Q3 2022. 792 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • Citadel Advisors held 1,088,204 shares of CoStar Group worth $43.9M as of Q1 2026.
  • Citadel Advisors bought 483,661 CoStar Group shares in Q1 2026, an estimated $25.2M.
  • CoStar Group made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1484 holding.
  • Citadel Advisors first reported a position in CoStar Group in Q3 2013 and has held it in 48 quarters since.
  • Citadel Advisors's CoStar Group position peaked at $193M in Q3 2022.
  • 792 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.