Jane Street
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Jane Street’s CoStar Group CSGP Stock Holding History

Jane Street’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 		$6.12M Sell
151,800
-27,449
-15% -$1.43M ﹤0.01% 3215
2025
Q4 		$12.1M Buy
179,249
+34,279
+24% +$2.43M ﹤0.01% 2098
2025
Q3 		$12.2M Buy
144,970
+15,274
+12% +$1.35M ﹤0.01% 2165
2025
Q2 		$10.4M Sell
129,696
-45,668
-26% -$3.56M ﹤0.01% 2100
2025
Q1 		$13.9M Buy
175,364
+36,164
+26% +$2.75M ﹤0.01% 1615
2024
Q4 		$9.97M Buy
139,200
+92,100
+196% +$6.96M ﹤0.01% 1889
2024
Q3 		$3.55M Sell
47,100
-4,500
-9% -$341K ﹤0.01% 3425
2024
Q2 		$3.83M Sell
51,600
-21,900
-30% -$1.86M ﹤0.01% 3392
2024
Q1 		$7.1M Sell
73,500
-15,500
-17% -$1.33M ﹤0.01% 2178
2023
Q4 		$7.78M Buy
89,000
+60,100
+208% +$4.86M ﹤0.01% 2268
2023
Q3 		$2.22M Sell
28,900
-27,600
-49% -$2.29M ﹤0.01% 3873
2023
Q2 		$5.03M Buy
56,500
+33,000
+140% +$2.55M ﹤0.01% 2728
2023
Q1 		$1.62M Sell
23,500
-28,200
-55% -$2.08M ﹤0.01% 4186
2022
Q4 		$4M Sell
51,700
-39,400
-43% -$3.08M ﹤0.01% 2788
2022
Q3 		$6.34M Sell
91,100
-35,400
-28% -$2.46M ﹤0.01% 2259
2022
Q2 		$7.64M Buy
126,500
+39,500
+45% +$2.39M ﹤0.01% 2065
2022
Q1 		$5.79M Buy
87,000
+44,500
+105% +$2.95M ﹤0.01% 2793
2021
Q4 		$3.36M Sell
42,500
-20,400
-32% -$1.71M ﹤0.01% 3505
2021
Q3 		$5.41M Sell
62,900
-35,900
-36% -$3.1M ﹤0.01% 2603
2021
Q2 		$8.18M Buy
98,800
+38,800
+65% +$3.35M ﹤0.01% 1956
2021
Q1 		$4.93M Buy
60,000
+10,000
+20% +$863K ﹤0.01% 2433
2020
Q4 		$4.62M Sell
50,000
-13,000
-21% -$1.14M ﹤0.01% 2231
2020
Q3 		$5.35M Sell
63,000
-25,000
-28% -$1.99M ﹤0.01% 1781
2020
Q2 		$6.25M Buy
+88,000
New +$5.69M ﹤0.01% 1597

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

Jane Street's CSGP Position: Q1 2026 in Review

Jane Street increased its CoStar Group (CSGP) stake by 358% in Q1 2026, buying an estimated $44.3M and bringing the position to 1,087,447 shares worth $43.9M. The position accounts for 0.01% of the portfolio, ranked #1152.

Jane Street first reported a position in CSGP in Q2 2013 and has held it in 40 quarters since. The position peaked at $56M in Q2 2023. 793 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • Jane Street held 1,087,447 shares of CoStar Group worth $43.9M as of Q1 2026.
  • Jane Street bought 850,071 CoStar Group shares in Q1 2026, an estimated $44.3M.
  • CoStar Group made up 0.01% of Jane Street's portfolio in Q1 2026, its #1152 holding.
  • Jane Street first reported a position in CoStar Group in Q2 2013 and has held it in 40 quarters since.
  • Jane Street's CoStar Group position peaked at $56M in Q2 2023.
  • 793 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.