Oppenheimer 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
Q1
$13.8M Buy
342,673
+102,678
+43% +$5.35M 0.16% 156
2025
Q4
$16.1M Sell
239,995
-34,750
-13% -$2.46M 0.2% 119
2025
Q3
$23.2M Sell
274,745
-11,765
-4% -$1.04M 0.26% 90
2025
Q2
$23M Buy
286,510
+5,758
+2% +$449K 0.26% 91
2025
Q1
$22.2M Buy
280,752
+8,619
+3% +$656K 0.28% 88
2024
Q4
$19.5M Buy
272,133
+114,003
+72% +$8.61M 0.24% 108
2024
Q3
$11.9M Sell
158,130
-2,205
-1% -$167K 0.14% 172
2024
Q2
$11.9M Buy
160,335
+9,829
+7% +$833K 0.15% 164
2024
Q1
$14.5M Sell
150,506
-30,964
-17% -$2.67M 0.21% 118
2023
Q4
$15.9M Buy
181,470
+2,586
+1% +$209K 0.22% 108
2023
Q3
$13.8M Sell
178,884
-10,268
-5% -$851K 0.21% 112
2023
Q2
$16.8M Sell
189,152
-6,076
-3% -$469K 0.25% 93
2023
Q1
$13.4M Sell
195,228
-2,841
-1% -$210K 0.21% 124
2022
Q4
$15.3M Sell
198,069
-5,265
-3% -$411K 0.25% 100
2022
Q3
$14.2M Sell
203,334
-2,242
-1% -$156K 0.25% 91
2022
Q2
$12.4M Sell
205,576
-6,698
-3% -$406K 0.21% 115
2022
Q1
$14.1M Buy
212,274
+16,706
+9% +$1.11M 0.2% 122
2021
Q4
$15.5M Sell
195,568
-1,351
-0.7% -$113K 0.2% 113
2021
Q3
$16.9M Buy
196,919
+1,482
+0.8% +$128K 0.24% 94
2021
Q2
$16.2M Buy
195,437
+4,117
+2% +$356K 0.23% 103
2021
Q1
$15.7M Buy
191,320
+6,930
+4% +$598K 0.24% 97
2020
Q4
$17M Buy
184,390
+3,310
+2% +$290K 0.28% 83
2020
Q3
$15.4M Sell
181,080
-11,450
-6% -$913K 0.3% 80
2020
Q2
$13.7M Buy
192,530
+7,070
+4% +$457K 0.28% 87
2020
Q1
$10.9M Buy
185,460
+1,940
+1% +$126K 0.27% 96
2019
Q4
$11M Buy
183,520
+670
+0.4% +$39.1K 0.23% 102
2019
Q3
$10.8M Sell
182,850
-17,630
-9% -$1.06M 0.24% 97
2019
Q2
$11.1M Sell
200,480
-520
-0.3% -$26.6K 0.25% 94
2019
Q1
$9.38M Buy
201,000
+9,280
+5% +$383K 0.21% 121
2018
Q4
$6.47M Buy
191,720
+4,480
+2% +$164K 0.16% 150
2018
Q3
$7.88M Sell
187,240
-15,210
-8% -$650K 0.17% 148
2018
Q2
$8.35M Buy
202,450
+11,210
+6% +$431K 0.2% 124
2018
Q1
$6.93M Sell
191,240
-37,230
-16% -$1.28M 0.17% 147
2017
Q4
$6.13M Hold
228,470
0.16% 152
2017
Q3
$6.13M Buy
228,470
+4,760
+2% +$132K 0.16% 154
2017
Q2
$5.9M Sell
223,710
-8,410
-4% -$205K 0.16% 154
2017
Q1
$4.81M Buy
+232,120
New +$4.72M 0.14% 174

Other funds holding CSGP

Oppenheimer Asset Management's CSGP Position: Q1 2026 in Review

Oppenheimer Asset Management increased its CoStar Group (CSGP) stake by 43% in Q1 2026, buying an estimated $5.35M and bringing the position to 342,673 shares worth $13.8M. The position accounts for 0.16% of the portfolio, ranked #156.

Oppenheimer Asset Management first reported a position in CSGP in Q1 2017 and has held it in 37 quarters since. The position peaked at $23.2M in Q3 2025. 793 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • Oppenheimer Asset Management held 342,673 shares of CoStar Group worth $13.8M as of Q1 2026.
  • Oppenheimer Asset Management bought 102,678 CoStar Group shares in Q1 2026, an estimated $5.35M.
  • CoStar Group made up 0.16% of Oppenheimer Asset Management's portfolio in Q1 2026, its #156 holding.
  • Oppenheimer Asset Management first reported a position in CoStar Group in Q1 2017 and has held it in 37 quarters since.
  • Oppenheimer Asset Management's CoStar Group position peaked at $23.2M in Q3 2025.
  • 793 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Oppenheimer Asset Management's 13F filing for Q1 2026, filed 24 Apr 2026.