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 		$2.96M Buy
73,300
+33,794
+86% +$1.76M ﹤0.01% 4373
2025
Q4 		$2.66M Buy
39,506
+31,300
+381% +$2.22M ﹤0.01% 4264
2025
Q3 		$692K Sell
8,206
-2,400
-23% -$212K ﹤0.01% 7120
2025
Q2 		$853K Sell
10,606
-114,830
-92% -$8.95M ﹤0.01% 5915
2025
Q1 		$9.94M Buy
125,436
+38,236
+44% +$2.91M ﹤0.01% 1995
2024
Q4 		$6.24M Sell
87,200
-16,600
-16% -$1.25M ﹤0.01% 2382
2024
Q3 		$7.83M Buy
103,800
+98,300
+1,787% +$7.45M ﹤0.01% 2203
2024
Q2 		$408K Sell
5,500
-1,800
-25% -$153K ﹤0.01% 7340
2024
Q1 		$705K Sell
7,300
-31,000
-81% -$2.67M ﹤0.01% 6077
2023
Q4 		$3.35M Buy
38,300
+5,700
+17% +$461K ﹤0.01% 3457
2023
Q3 		$2.51M Buy
32,600
+24,500
+302% +$2.03M ﹤0.01% 3670
2023
Q2 		$721K Sell
8,100
-100
-1% -$7.72K ﹤0.01% 5742
2023
Q1 		$565K Sell
8,200
-14,600
-64% -$1.08M ﹤0.01% 6129
2022
Q4 		$1.76M Sell
22,800
-2,600
-10% -$203K ﹤0.01% 4044
2022
Q3 		$1.77M Buy
25,400
+9,200
+57% +$639K ﹤0.01% 4397
2022
Q2 		$979K Sell
16,200
-114,300
-88% -$6.92M ﹤0.01% 5518
2022
Q1 		$8.69M Buy
130,500
+109,200
+513% +$7.25M ﹤0.01% 2168
2021
Q4 		$1.68M Sell
21,300
-96,200
-82% -$8.07M ﹤0.01% 4825
2021
Q3 		$10.1M Sell
117,500
-104,500
-47% -$9.03M ﹤0.01% 1789
2021
Q2 		$18.4M Buy
222,000
+140,000
+171% +$12.1M 0.01% 1143
2021
Q1 		$6.74M Buy
82,000
+61,000
+290% +$5.27M ﹤0.01% 1997
2020
Q4 		$1.94M Sell
21,000
-101,000
-83% -$8.86M ﹤0.01% 3533
2020
Q3 		$10.4M Buy
122,000
+58,000
+91% +$4.62M 0.01% 1187
2020
Q2 		$4.55M Buy
+64,000
New +$4.14M ﹤0.01% 1962

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.