Marshall Wace’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 | $39.1M | Buy |
1,381,204
+863,944
| +167% | +$29.7M | 0.03% | 460 |
|
|
2026
Q1 | $20.9M | Buy |
517,260
+125,955
| +32% | +$6.56M | 0.02% | 690 |
|
|
2025
Q4 | $26.3M | Sell |
391,305
-244,639
| -38% | -$17.3M | 0.02% | 539 |
|
|
2025
Q3 | $53.7M | Buy |
635,944
+509,246
| +402% | +$45M | 0.05% | 298 |
|
|
2025
Q2 | $10.2M | Buy |
+126,698
| New | +$9.87M | 0.01% | 834 |
|
|
2025
Q1 | – | Sell |
-277,930
| Closed | -$19.9M | – | 2698 |
|
|
2024
Q4 | $19.9M | Buy |
+277,930
| New | +$21M | 0.02% | 546 |
|
|
2024
Q2 | – | Sell |
-13,612
| Closed | -$1.31M | – | 2613 |
|
|
2024
Q1 | $1.31M | Sell |
13,612
-144,507
| -91% | -$12.4M | ﹤0.01% | 1537 |
|
|
2023
Q4 | $13.8M | Sell |
158,119
-569,108
| -78% | -$46.1M | 0.02% | 590 |
|
|
2023
Q3 | $55.9M | Sell |
727,227
-390,687
| -35% | -$32.4M | 0.11% | 181 |
|
|
2023
Q2 | $99.5M | Sell |
1,117,914
-499,266
| -31% | -$38.5M | 0.19% | 107 |
|
|
2023
Q1 | $111M | Buy |
1,617,180
+177,004
| +12% | +$13.1M | 0.24% | 88 |
|
|
2022
Q4 | $111M | Buy |
1,440,176
+311,658
| +28% | +$24.4M | 0.25% | 81 |
|
|
2022
Q3 | $78.6M | Buy |
1,128,518
+196,037
| +21% | +$13.6M | 0.17% | 118 |
|
|
2022
Q2 | $56.3M | Buy |
+932,481
| New | +$56.5M | 0.12% | 182 |
|
|
2020
Q3 | – | Sell |
-83,110
| Closed | -$5.91M | – | 1626 |
|
|
2020
Q2 | $5.91M | Buy |
+83,110
| New | +$5.37M | 0.04% | 423 |
|
|
2020
Q1 | – | Sell |
-109,220
| Closed | -$6.54M | – | 1685 |
|
|
2019
Q4 | $6.54M | Sell |
109,220
-13,790
| -11% | -$805K | 0.04% | 434 |
|
|
2019
Q3 | $7.3M | Buy |
+123,010
| New | +$7.36M | 0.06% | 387 |
|
|
2019
Q2 | – | Sell |
-44,720
| Closed | -$2.09M | – | 1430 |
|
|
2019
Q1 | $2.09M | Sell |
44,720
-266,430
| -86% | -$11M | 0.02% | 722 |
|
|
2018
Q4 | $10.5M | Buy |
311,150
+90,420
| +41% | +$3.3M | 0.11% | 229 |
|
|
2018
Q3 | $9.29M | Buy |
220,730
+164,060
| +290% | +$7.01M | 0.08% | 316 |
|
|
2018
Q2 | $2.34M | Buy |
56,670
+8,390
| +17% | +$323K | 0.04% | 401 |
|
|
2018
Q1 | $1.75M | Sell |
48,280
-9,440
| -16% | -$325K | 0.07% | 209 |
|
|
2017
Q4 | $1.71M | Buy |
+57,720
| New | +$1.69M | 0.07% | 204 |
|
|
2017
Q1 | – | Sell |
-272,500
| Closed | -$5.14M | – | 395 |
|
|
2016
Q4 | $5.14M | Buy |
272,500
+225,700
| +482% | +$4.43M | 0.03% | 464 |
|
|
2016
Q3 | $1.01M | Buy |
+46,800
| New | +$996K | 0.01% | 719 |
|
|
2014
Q3 | – | Sell |
-20,000
| Closed | -$316K | – | 903 |
|
|
2014
Q2 | $316K | Buy |
+20,000
| New | +$324K | ﹤0.01% | 750 |
|
Other funds holding CSGP
ACM
Marshall Wace's CSGP Position: Q2 2026 in Review
Marshall Wace increased its CoStar Group (CSGP) stake by 167% in Q2 2026, buying an estimated $29.7M and bringing the position to 1,381,204 shares worth $39.1M. The position accounts for 0.03% of the portfolio, ranked #460.
Marshall Wace first reported a position in CSGP in Q2 2014 and has held it in 26 quarters since. The position peaked at $111M in Q1 2023. 758 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.
- Marshall Wace held 1,381,204 shares of CoStar Group worth $39.1M as of Q2 2026.
- Marshall Wace bought 863,944 CoStar Group shares in Q2 2026, an estimated $29.7M.
- CoStar Group made up 0.03% of Marshall Wace's portfolio in Q2 2026, its #460 holding.
- Marshall Wace first reported a position in CoStar Group in Q2 2014 and has held it in 26 quarters since.
- Marshall Wace's CoStar Group position peaked at $111M in Q1 2023.
- 758 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.
Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.