Picton Mahoney Asset Management’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 | $1.16M | Buy |
+40,904
| New | +$1.41M | 0.01% | 700 |
|
|
2026
Q1 | – | Sell |
-4,140
| Closed | -$278K | – | 1287 |
|
|
2025
Q4 | $278K | Buy |
+4,140
| New | +$293K | ﹤0.01% | 783 |
|
|
2024
Q3 | – | Sell |
-4,745
| Closed | -$352K | – | 875 |
|
|
2024
Q2 | $352K | Buy |
4,745
+135
| +3% | +$11.4K | 0.01% | 257 |
|
|
2024
Q1 | $445K | Sell |
4,610
-550
| -11% | -$47.3K | 0.01% | 238 |
|
|
2023
Q4 | $451K | Sell |
5,160
-64,384
| -93% | -$5.21M | 0.01% | 238 |
|
|
2023
Q3 | $5.35M | Buy |
69,544
+1,410
| +2% | +$117K | 0.16% | 139 |
|
|
2023
Q2 | $6.06M | Buy |
68,134
+34,819
| +105% | +$2.69M | 0.26% | 119 |
|
|
2023
Q1 | $2.29M | Buy |
33,315
+215
| +0.6% | +$15.9K | 0.1% | 225 |
|
|
2022
Q4 | $2.56M | Buy |
33,100
+27,870
| +533% | +$2.18M | 0.12% | 233 |
|
|
2022
Q3 | $364K | Sell |
5,230
-600
| -10% | -$41.7K | 0.01% | 492 |
|
|
2022
Q2 | $353K | Sell |
5,830
-6,870
| -54% | -$416K | 0.01% | 588 |
|
|
2022
Q1 | $846K | Sell |
12,700
-120,460
| -90% | -$8M | 0.03% | 587 |
|
|
2021
Q4 | $10.5M | Sell |
133,160
-39,065
| -23% | -$3.28M | 0.26% | 65 |
|
|
2021
Q3 | $14.8M | Sell |
172,225
-9,955
| -5% | -$860K | 0.55% | 33 |
|
|
2021
Q2 | $15.1M | Sell |
182,180
-23,950
| -12% | -$2.07M | 0.44% | 44 |
|
|
2021
Q1 | $16.9M | Sell |
206,130
-25,490
| -11% | -$2.2M | 0.81% | 28 |
|
|
2020
Q4 | $21.4M | Sell |
231,620
-17,210
| -7% | -$1.51M | 1.02% | 19 |
|
|
2020
Q3 | $21.1M | Sell |
248,830
-26,000
| -9% | -$2.07M | 1.17% | 11 |
|
|
2020
Q2 | $19.5M | Buy |
274,830
+4,820
| +2% | +$312K | 1.12% | 14 |
|
|
2020
Q1 | $15.9M | Sell |
270,010
-62,600
| -19% | -$4.08M | 0.9% | 22 |
|
|
2019
Q4 | $19.9M | Sell |
332,610
-49,800
| -13% | -$2.91M | 1.34% | 21 |
|
|
2019
Q3 | $22.7M | Sell |
382,410
-35,950
| -9% | -$2.15M | 1.6% | 17 |
|
|
2019
Q2 | $23.2M | Sell |
418,360
-22,200
| -5% | -$1.13M | 1.59% | 17 |
|
|
2019
Q1 | $20.5M | Buy |
440,560
+14,900
| +4% | +$616K | 1.55% | 18 |
|
|
2018
Q4 | $14.4M | Buy |
425,660
+202,160
| +90% | +$7.38M | 1.28% | 27 |
|
|
2018
Q3 | $9.4M | Sell |
223,500
-1,500
| -0.7% | -$64.1K | 0.66% | 54 |
|
|
2018
Q2 | $9.29M | Sell |
225,000
-750
| -0.3% | -$28.9K | 0.67% | 56 |
|
|
2018
Q1 | $8.19M | Buy |
225,750
+4,000
| +2% | +$138K | 0.59% | 62 |
|
|
2017
Q4 | $6.58M | Sell |
221,750
-3,000
| -1% | -$87.9K | 0.47% | 75 |
|
|
2017
Q3 | $6.03M | Sell |
224,750
-76,000
| -25% | -$2.11M | 0.45% | 79 |
|
|
2017
Q2 | $7.93M | Buy |
300,750
+231,750
| +336% | +$5.64M | 0.57% | 70 |
|
|
2017
Q1 | $1.43M | Buy |
+69,000
| New | +$1.4M | 0.1% | 129 |
|
Other funds holding CSGP
ACM
Picton Mahoney Asset Management's CSGP Position: Q2 2026 in Review
Picton Mahoney Asset Management opened a new position in CoStar Group (CSGP) in Q2 2026: 40,904 shares worth $1.16M. The stake represents 0.01% of the portfolio and ranks #700 among its holdings. This is a return to the name: Picton Mahoney Asset Management previously reported a position in CSGP as recently as Q4 2025.
Picton Mahoney Asset Management first reported a position in CSGP in Q1 2017 and has held it in 32 quarters since. The position peaked at $23.2M in Q2 2019. 760 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.
- Picton Mahoney Asset Management held 40,904 shares of CoStar Group worth $1.16M as of Q2 2026.
- CoStar Group was a new Picton Mahoney Asset Management position in Q2 2026.
- CoStar Group made up 0.01% of Picton Mahoney Asset Management's portfolio in Q2 2026, its #700 holding.
- Picton Mahoney Asset Management first reported a position in CoStar Group in Q1 2017 and has held it in 32 quarters since.
- Picton Mahoney Asset Management's CoStar Group position peaked at $23.2M in Q2 2019.
- 760 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.
Based on Picton Mahoney Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.