Wellington Management Group’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
$1.97M Sell
48,913
-4,755
-9% -$248K ﹤0.01% 1553
2025
Q4
$3.61M Sell
53,668
-12,746
-19% -$903K ﹤0.01% 1475
2025
Q3
$5.6M Sell
66,414
-20,442
-24% -$1.81M ﹤0.01% 1409
2025
Q2
$6.98M Sell
86,856
-6,578
-7% -$512K ﹤0.01% 1306
2025
Q1
$7.4M Sell
93,434
-28,681
-23% -$2.18M ﹤0.01% 1274
2024
Q4
$8.74M Sell
122,115
-225,578
-65% -$17M ﹤0.01% 1232
2024
Q3
$26.2M Sell
347,693
-254,349
-42% -$19.3M ﹤0.01% 885
2024
Q2
$44.6M Sell
602,042
-2,635,204
-81% -$223M 0.01% 730
2024
Q1
$313M Buy
3,237,246
+406,547
+14% +$35M 0.06% 310
2023
Q4
$247M Sell
2,830,699
-749,850
-21% -$60.7M 0.05% 355
2023
Q3
$275M Buy
3,580,549
+662,592
+23% +$54.9M 0.06% 302
2023
Q2
$260M Buy
2,917,957
+1,013,035
+53% +$78.2M 0.05% 334
2023
Q1
$131M Sell
1,904,922
-1,399,523
-42% -$103M 0.03% 477
2022
Q4
$255M Sell
3,304,445
-79,853
-2% -$6.24M 0.05% 335
2022
Q3
$236M Sell
3,384,298
-121,072
-3% -$8.41M 0.05% 335
2022
Q2
$212M Buy
3,505,370
+28,029
+0.8% +$1.7M 0.04% 356
2022
Q1
$232M Buy
3,477,341
+1,178,764
+51% +$78.3M 0.04% 380
2021
Q4
$182M Sell
2,298,577
-2,185,417
-49% -$183M 0.03% 467
2021
Q3
$386M Sell
4,483,994
-342,479
-7% -$29.6M 0.07% 274
2021
Q2
$400M Sell
4,826,473
-64,097
-1% -$5.54M 0.07% 274
2021
Q1
$402M Buy
4,890,570
+446,460
+10% +$38.5M 0.07% 273
2020
Q4
$411M Sell
4,444,110
-581,490
-12% -$51M 0.08% 250
2020
Q3
$426M Sell
5,025,600
-2,340,830
-32% -$187M 0.09% 210
2020
Q2
$524M Buy
7,366,430
+756,470
+11% +$48.9M 0.12% 172
2020
Q1
$388M Buy
6,609,960
+2,241,550
+51% +$146M 0.1% 184
2019
Q4
$261M Sell
4,368,410
-6,340,020
-59% -$370M 0.05% 327
2019
Q3
$635M Sell
10,708,430
-2,901,450
-21% -$174M 0.14% 160
2019
Q2
$754M Sell
13,609,880
-3,488,830
-20% -$178M 0.17% 137
2019
Q1
$798M Buy
17,098,710
+140,650
+0.8% +$5.81M 0.18% 135
2018
Q4
$572M Sell
16,958,060
-2,247,980
-12% -$82.1M 0.14% 159
2018
Q3
$808M Sell
19,206,040
-1,384,220
-7% -$59.2M 0.17% 146
2018
Q2
$850M Sell
20,590,260
-3,932,430
-16% -$151M 0.19% 132
2018
Q1
$889M Sell
24,522,690
-1,968,130
-7% -$67.8M 0.2% 123
2017
Q4
$787M Sell
26,490,820
-1,219,710
-4% -$35.7M 0.17% 143
2017
Q3
$743M Buy
27,710,530
+5,442,420
+24% +$151M 0.17% 141
2017
Q2
$587M Buy
22,268,110
+3,673,760
+20% +$89.4M 0.14% 167
2017
Q1
$385M Buy
18,594,350
+5,039,030
+37% +$102M 0.09% 214
2016
Q4
$256M Sell
13,555,320
-7,212,170
-35% -$142M 0.06% 267
2016
Q3
$450M Sell
20,767,490
-757,210
-4% -$16.1M 0.11% 189
2016
Q2
$471M Sell
21,524,700
-6,771,500
-24% -$134M 0.12% 177
2016
Q1
$532M Sell
28,296,200
-2,292,120
-7% -$40.6M 0.14% 155
2015
Q4
$632M Sell
30,588,320
-248,120
-0.8% -$4.94M 0.17% 132
2015
Q3
$534M Buy
30,836,440
+3,932,610
+15% +$75.3M 0.15% 150
2015
Q2
$541M Buy
26,903,830
+1,038,890
+4% +$21.2M 0.14% 156
2015
Q1
$512M Buy
25,864,940
+14,562,170
+129% +$275M 0.13% 157
2014
Q4
$208M Sell
11,302,770
-120,370
-1% -$1.94M 0.05% 331
2014
Q3
$178M Sell
11,423,140
-539,210
-5% -$8.03M 0.05% 365
2014
Q2
$189M Buy
11,962,350
+3,710,710
+45% +$60.1M 0.05% 371
2014
Q1
$154M Buy
8,251,640
+119,830
+1% +$2.26M 0.04% 417
2013
Q4
$150M Buy
8,131,810
+3,635,900
+81% +$64.3M 0.04% 409
2013
Q3
$75.5M Buy
4,495,910
+1,082,560
+32% +$16.6M 0.02% 583
2013
Q2
$44.1M Buy
+3,413,350
New +$38.6M 0.01% 731

Other funds holding CSGP

Wellington Management Group's CSGP Position: Q1 2026 in Review

Wellington Management Group reduced its CoStar Group (CSGP) stake by 8.9% in Q1 2026, selling an estimated $248K and leaving 48,913 shares worth $1.97M. The position accounts for ﹤0.01% of the portfolio, ranked #1553.

Wellington Management Group first reported a position in CSGP in Q2 2013 and has held it in 52 quarters since. The position peaked at $889M in Q1 2018. 792 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • Wellington Management Group held 48,913 shares of CoStar Group worth $1.97M as of Q1 2026.
  • Wellington Management Group sold 4,755 CoStar Group shares in Q1 2026, an estimated $248K.
  • CoStar Group made up ﹤0.01% of Wellington Management Group's portfolio in Q1 2026, its #1553 holding.
  • Wellington Management Group first reported a position in CoStar Group in Q2 2013 and has held it in 52 quarters since.
  • Wellington Management Group's CoStar Group position peaked at $889M in Q1 2018.
  • 792 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Wellington Management Group's 13F filing for Q1 2026, filed 15 May 2026.