Brown Advisory’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
$3.65M Sell
128,901
-208,120
-62% -$7.16M 0.01% 615
2026
Q1
$13.6M Sell
337,021
-1,569,324
-82% -$81.7M 0.02% 380
2025
Q4
$128M Sell
1,906,345
-558,379
-23% -$39.6M 0.18% 98
2025
Q3
$208M Sell
2,464,724
-211,270
-8% -$18.7M 0.27% 73
2025
Q2
$215M Sell
2,675,994
-346,698
-11% -$27M 0.28% 64
2025
Q1
$239M Sell
3,022,692
-357,374
-11% -$27.2M 0.34% 65
2024
Q4
$242M Sell
3,380,066
-386,592
-10% -$29.2M 0.31% 68
2024
Q3
$284M Sell
3,766,658
-133,516
-3% -$10.1M 0.36% 64
2024
Q2
$289M Buy
3,900,174
+187,716
+5% +$15.9M 0.38% 60
2024
Q1
$359M Sell
3,712,458
-432,263
-10% -$37.2M 0.48% 51
2023
Q4
$362M Buy
4,144,721
+380,859
+10% +$30.8M 0.51% 52
2023
Q3
$289M Sell
3,763,862
-520,383
-12% -$43.1M 0.48% 55
2023
Q2
$381M Buy
4,284,245
+1,536,162
+56% +$119M 0.6% 44
2023
Q1
$189M Buy
2,748,083
+2,430,849
+766% +$179M 0.32% 75
2022
Q4
$24.5M Sell
317,234
-9,832
-3% -$768K 0.05% 284
2022
Q3
$22.8M Sell
327,066
-13,988
-4% -$971K 0.04% 287
2022
Q2
$20.6M Sell
341,054
-16,935
-5% -$1.03M 0.04% 292
2022
Q1
$23.8M Buy
357,989
+20,353
+6% +$1.35M 0.04% 295
2021
Q4
$26.7M Buy
337,636
+66,272
+24% +$5.56M 0.03% 288
2021
Q3
$23.4M Buy
271,364
+175,004
+182% +$15.1M 0.03% 281
2021
Q2
$7.98M Buy
96,360
+1,690
+2% +$146K 0.01% 406
2021
Q1
$7.78M Sell
94,670
-280
-0.3% -$24.2K 0.01% 396
2020
Q4
$8.78M Buy
94,950
+4,790
+5% +$420K 0.02% 358
2020
Q3
$7.65M Buy
90,160
+2,070
+2% +$165K 0.02% 351
2020
Q2
$6.26M Sell
88,090
-7,640
-8% -$494K 0.01% 367
2020
Q1
$5.62M Buy
95,730
+4,960
+5% +$323K 0.02% 356
2019
Q4
$5.43M Buy
90,770
+2,940
+3% +$172K 0.01% 407
2019
Q3
$5.21M Sell
87,830
-8,480
-9% -$508K 0.01% 399
2019
Q2
$5.34M Sell
96,310
-66,900
-41% -$3.42M 0.02% 399
2019
Q1
$7.61M Sell
163,210
-2,500
-2% -$103K 0.02% 396
2018
Q4
$5.59M Sell
165,710
-14,920
-8% -$545K 0.02% 400
2018
Q3
$7.6M Buy
180,630
+6,210
+4% +$265K 0.02% 378
2018
Q2
$7.2M Sell
174,420
-550
-0.3% -$21.2K 0.02% 379
2018
Q1
$6.34M Sell
174,970
-11,710
-6% -$404K 0.02% 365
2017
Q4
$5.54M Sell
186,680
-9,060
-5% -$265K 0.02% 392
2017
Q3
$5.25M Sell
195,740
-198,850
-50% -$5.52M 0.02% 389
2017
Q2
$10.4M Sell
394,590
-76,620
-16% -$1.86M 0.03% 305
2017
Q1
$9.77M Sell
471,210
-179,010
-28% -$3.64M 0.03% 296
2016
Q4
$12.3M Buy
650,220
+29,840
+5% +$586K 0.04% 263
2016
Q3
$13.4M Buy
620,380
+23,560
+4% +$502K 0.05% 255
2016
Q2
$13.1M Buy
596,820
+17,040
+3% +$337K 0.05% 250
2016
Q1
$10.9M Sell
579,780
-331,440
-36% -$5.87M 0.04% 262
2015
Q4
$18.8M Buy
911,220
+5,280
+0.6% +$105K 0.06% 201
2015
Q3
$15.7M Sell
905,940
-30,150
-3% -$577K 0.06% 211
2015
Q2
$18.8M Sell
936,090
-120,810
-11% -$2.46M 0.06% 204
2015
Q1
$20.9M Sell
1,056,900
-539,670
-34% -$10.2M 0.07% 192
2014
Q4
$29.3M Sell
1,596,570
-132,430
-8% -$2.14M 0.09% 155
2014
Q3
$26.9M Sell
1,729,000
-73,030
-4% -$1.09M 0.09% 156
2014
Q2
$28.5M Sell
1,802,030
-86,530
-5% -$1.4M 0.09% 151
2014
Q1
$35.3M Sell
1,888,560
-747,610
-28% -$14.1M 0.11% 131
2013
Q4
$48.7M Buy
2,636,170
+118,740
+5% +$2.1M 0.16% 96
2013
Q3
$42.3M Buy
2,517,430
+221,970
+10% +$3.4M 0.15% 97
2013
Q2
$29.6M Buy
+2,295,460
New +$26M 0.12% 118

Other funds holding CSGP

Brown Advisory's CSGP Position: Q2 2026 in Review

Brown Advisory reduced its CoStar Group (CSGP) stake by 62% in Q2 2026, selling an estimated $7.16M and leaving 128,901 shares worth $3.65M. The position accounts for 0.01% of the portfolio, ranked #615.

Brown Advisory first reported a position in CSGP in Q2 2013 and has held it in 53 quarters since. The position peaked at $381M in Q2 2023. 754 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

  • Brown Advisory held 128,901 shares of CoStar Group worth $3.65M as of Q2 2026.
  • Brown Advisory sold 208,120 CoStar Group shares in Q2 2026, an estimated $7.16M.
  • CoStar Group made up 0.01% of Brown Advisory's portfolio in Q2 2026, its #615 holding.
  • Brown Advisory first reported a position in CoStar Group in Q2 2013 and has held it in 53 quarters since.
  • Brown Advisory's CoStar Group position peaked at $381M in Q2 2023.
  • 754 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on Brown Advisory's 13F filing for Q2 2026, filed 14 Aug 2026.