Jane Street’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
Q2 | $61.2M | Buy |
2,162,322
+1,074,875
| +99% | +$37M | 0.01% | 1260 |
|
|
2026
Q1 | $43.9M | Buy |
1,087,447
+850,071
| +358% | +$44.3M | 0.01% | 1152 |
|
|
2025
Q4 | $16M | Buy |
237,376
+121,745
| +105% | +$8.62M | ﹤0.01% | 1816 |
|
|
2025
Q3 | $9.76M | Buy |
+115,631
| New | +$10.2M | ﹤0.01% | 2460 |
|
|
2025
Q1 | – | Sell |
-4,494
| Closed | -$342K | – | 9580 |
|
|
2024
Q4 | $322K | Sell |
4,494
-113,063
| -96% | -$8.54M | ﹤0.01% | 7619 |
|
|
2024
Q3 | $8.87M | Sell |
117,557
-69,844
| -37% | -$5.3M | ﹤0.01% | 2050 |
|
|
2024
Q2 | $13.9M | Buy |
187,401
+108,234
| +137% | +$9.17M | ﹤0.01% | 1661 |
|
|
2024
Q1 | $7.65M | Sell |
79,167
-13,311
| -14% | -$1.15M | ﹤0.01% | 2085 |
|
|
2023
Q4 | $8.08M | Sell |
92,478
-13,587
| -13% | -$1.1M | ﹤0.01% | 2210 |
|
|
2023
Q3 | $8.16M | Sell |
106,065
-523,178
| -83% | -$43.3M | ﹤0.01% | 2003 |
|
|
2023
Q2 | $56M | Buy |
629,243
+595,163
| +1,746% | +$46M | 0.02% | 548 |
|
|
2023
Q1 | $2.35M | Sell |
34,080
-526,383
| -94% | -$38.8M | ﹤0.01% | 3547 |
|
|
2022
Q4 | $43.3M | Buy |
560,463
+115,492
| +26% | +$9.02M | 0.02% | 597 |
|
|
2022
Q3 | $31M | Buy |
444,971
+273,320
| +159% | +$19M | 0.01% | 768 |
|
|
2022
Q2 | $10.4M | Buy |
171,651
+146,801
| +591% | +$8.89M | ﹤0.01% | 1699 |
|
|
2022
Q1 | $1.66M | Sell |
24,850
-9,130
| -27% | -$606K | ﹤0.01% | 5106 |
|
|
2021
Q4 | $2.69M | Sell |
33,980
-79,123
| -70% | -$6.64M | ﹤0.01% | 3901 |
|
|
2021
Q3 | $9.73M | Sell |
113,103
-189,499
| -63% | -$16.4M | ﹤0.01% | 1833 |
|
|
2021
Q2 | $25.1M | Sell |
302,602
-21,488
| -7% | -$1.86M | 0.01% | 917 |
|
|
2021
Q1 | $26.6M | Buy |
324,090
+309,220
| +2,079% | +$26.7M | 0.01% | 774 |
|
|
2020
Q4 | $1.37M | Sell |
14,870
-1,790
| -11% | -$157K | ﹤0.01% | 4140 |
|
|
2020
Q3 | $1.41M | Sell |
16,660
-2,090
| -11% | -$167K | ﹤0.01% | 3548 |
|
|
2020
Q2 | $1.33M | Buy |
+18,750
| New | +$1.21M | ﹤0.01% | 3653 |
|
|
2020
Q1 | – | Sell |
-30,890
| Closed | -$1.85M | – | 5372 |
|
|
2019
Q4 | $1.85M | Sell |
30,890
-58,160
| -65% | -$3.4M | ﹤0.01% | 2031 |
|
|
2019
Q3 | $5.28M | Sell |
89,050
-61,370
| -41% | -$3.67M | 0.01% | 956 |
|
|
2019
Q2 | $8.33M | Sell |
150,420
-850
| -0.6% | -$43.4K | 0.01% | 730 |
|
|
2019
Q1 | $7.06M | Buy |
+151,270
| New | +$6.25M | 0.01% | 904 |
|
|
2018
Q4 | – | Sell |
-48,390
| Closed | -$2.04M | – | 5033 |
|
|
2018
Q3 | $2.04M | Buy |
48,390
+25,210
| +109% | +$1.08M | ﹤0.01% | 1882 |
|
|
2018
Q2 | $956K | Sell |
23,180
-4,780
| -17% | -$184K | ﹤0.01% | 2800 |
|
|
2018
Q1 | $1.01M | Buy |
+27,960
| New | +$964K | ﹤0.01% | 2647 |
|
|
2017
Q4 | – | Sell |
-700,000
| Closed | -$18.8M | – | 4634 |
|
|
2017
Q3 | $18.8M | Buy |
+700,000
| New | +$19.4M | 0.06% | 286 |
|
|
2017
Q2 | – | Sell |
-37,040
| Closed | -$768K | – | 4393 |
|
|
2017
Q1 | $768K | Buy |
37,040
+24,490
| +195% | +$498K | ﹤0.01% | 2399 |
|
|
2016
Q4 | $237K | Buy |
+12,550
| New | +$246K | ﹤0.01% | 3584 |
|
|
2016
Q2 | – | Sell |
-17,390
| Closed | -$327K | – | 4127 |
|
|
2016
Q1 | $327K | Buy |
+17,390
| New | +$308K | ﹤0.01% | 3107 |
|
|
2015
Q3 | – | Sell |
-39,170
| Closed | -$788K | – | 3641 |
|
|
2015
Q2 | $788K | Buy |
+39,170
| New | +$799K | 0.01% | 1797 |
|
|
2015
Q1 | – | Sell |
-13,240
| Closed | -$243K | – | 3143 |
|
|
2014
Q4 | $243K | Buy |
+13,240
| New | +$214K | ﹤0.01% | 2058 |
|
|
2014
Q3 | – | Sell |
-41,100
| Closed | -$650K | – | 2592 |
|
|
2014
Q2 | $650K | Sell |
41,100
-19,470
| -32% | -$315K | 0.01% | 1211 |
|
|
2014
Q1 | $1.13M | Buy |
60,570
+45,050
| +290% | +$850K | 0.01% | 875 |
|
|
2013
Q4 | $286K | Sell |
15,520
-48,160
| -76% | -$852K | ﹤0.01% | 1695 |
|
|
2013
Q3 | $1.07M | Sell |
63,680
-54,490
| -46% | -$836K | 0.01% | 1088 |
|
|
2013
Q2 | $1.52M | Buy |
+118,170
| New | +$1.34M | 0.03% | 593 |
|
Other funds holding CSGP
ACM
Jane Street's CSGP Position: Q2 2026 in Review
Jane Street increased its CoStar Group (CSGP) stake by 99% in Q2 2026, buying an estimated $37M and bringing the position to 2,162,322 shares worth $61.2M. The position accounts for 0.01% of the portfolio, ranked #1260.
Jane Street first reported a position in CSGP in Q2 2013 and has held it in 41 quarters since. 699 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.
- Jane Street held 2,162,322 shares of CoStar Group worth $61.2M as of Q2 2026.
- Jane Street bought 1,074,875 CoStar Group shares in Q2 2026, an estimated $37M.
- CoStar Group made up 0.01% of Jane Street's portfolio in Q2 2026, its #1260 holding.
- Jane Street first reported a position in CoStar Group in Q2 2013 and has held it in 41 quarters since.
- 699 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.
Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.