Night Owl Capital 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
Q1
$4.41M Buy
109,244
+629
+0.6% +$32.7K 0.51% 27
2025
Q4
$7.3M Buy
108,615
+904
+0.8% +$64K 0.8% 25
2025
Q3
$9.09M Buy
107,711
+818
+0.8% +$72.3K 0.99% 25
2025
Q2
$8.59M Buy
106,893
+3,052
+3% +$238K 0.99% 27
2025
Q1
$8.23M Buy
103,841
+2,192
+2% +$167K 1.03% 23
2024
Q4
$7.28M Buy
101,649
+2,747
+3% +$207K 0.94% 23
2024
Q3
$7.46M Buy
98,902
+1,460
+1% +$111K 1.02% 21
2024
Q2
$7.22M Sell
97,442
-1,308
-1% -$111K 1.08% 23
2024
Q1
$9.54M Buy
98,750
+4,249
+4% +$366K 1.45% 22
2023
Q4
$7.27M Hold
94,501
1.82% 19
2023
Q3
$7.27M Sell
94,501
-88
-0.1% -$7.29K 1.82% 19
2023
Q2
$8.42M Sell
94,589
-2,254
-2% -$174K 2.18% 17
2023
Q1
$6.67M Sell
96,843
-159
-0.2% -$11.7K 2.41% 14
2022
Q4
$7.5M Sell
97,002
-182,198
-65% -$14.2M 3.49% 8
2022
Q3
$19.4M Buy
279,200
+12,951
+5% +$899K 8.1% 7
2022
Q2
$16.1M Sell
266,249
-15,576
-6% -$943K 6.17% 8
2022
Q1
$18.8M Buy
281,825
+32,942
+13% +$2.19M 5.33% 8
2021
Q4
$19.7M Buy
248,883
+147,760
+146% +$12.4M 4% 11
2021
Q3
$8.7M Buy
101,123
+2,203
+2% +$190K 1.53% 20
2021
Q2
$8.19M Sell
98,920
-600
-0.6% -$51.9K 1.62% 19
2021
Q1
$8.18M Buy
99,520
+9,460
+11% +$817K 1.66% 20
2020
Q4
$8.32M Buy
90,060
+2,270
+3% +$199K 1.6% 22
2020
Q3
$7.45M Buy
87,790
+5,410
+7% +$431K 1.55% 23
2020
Q2
$5.85M Buy
82,380
+120
+0.1% +$7.76K 1.4% 22
2020
Q1
$4.83M Sell
82,260
-1,030
-1% -$67.1K 1.61% 20
2019
Q4
$4.98M Buy
83,290
+1,010
+1% +$59K 1.43% 20
2019
Q3
$4.88M Sell
82,280
-560
-0.7% -$33.5K 1.55% 20
2019
Q2
$4.59M Sell
82,840
-1,350
-2% -$69K 1.4% 21
2019
Q1
$3.93M Sell
84,190
-85,630
-50% -$3.54M 1.41% 21
2018
Q4
$5.73M Sell
169,820
-59,880
-26% -$2.19M 2.45% 16
2018
Q3
$9.67M Buy
229,700
+370
+0.2% +$15.8K 3.43% 10
2018
Q2
$9.46M Buy
229,330
+90
+0% +$3.46K 3.46% 11
2018
Q1
$8.31M Buy
229,240
+790
+0.3% +$27.2K 3.48% 11
2017
Q4
$6.78M Buy
228,450
+960
+0.4% +$28.1K 3.16% 13
2017
Q3
$6.1M Sell
227,490
-2,760
-1% -$76.6K 2.95% 15
2017
Q2
$6.07M Sell
230,250
-4,260
-2% -$104K 3.17% 14
2017
Q1
$4.86M Sell
234,510
-7,150
-3% -$145K 2.56% 18
2016
Q4
$4.55M Buy
+241,660
New +$4.75M 2.68% 17

Other funds holding CSGP

Night Owl Capital Management's CSGP Position: Q1 2026 in Review

Night Owl Capital Management increased its CoStar Group (CSGP) stake by 0.58% in Q1 2026, buying an estimated $32.7K and bringing the position to 109,244 shares worth $4.41M. The position accounts for 0.51% of the portfolio, ranked #27.

Night Owl Capital Management first reported a position in CSGP in Q4 2016 and has held it in 38 quarters since. The position peaked at $19.7M in Q4 2021. 795 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • Night Owl Capital Management held 109,244 shares of CoStar Group worth $4.41M as of Q1 2026.
  • Night Owl Capital Management bought 629 CoStar Group shares in Q1 2026, an estimated $32.7K.
  • CoStar Group made up 0.51% of Night Owl Capital Management's portfolio in Q1 2026, its #27 holding.
  • Night Owl Capital Management first reported a position in CoStar Group in Q4 2016 and has held it in 38 quarters since.
  • Night Owl Capital Management's CoStar Group position peaked at $19.7M in Q4 2021.
  • 795 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Night Owl Capital Management's 13F filing for Q1 2026, filed 15 May 2026.