Brown Brothers Harriman & Co’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 | $324K | Buy |
11,433
+3,995
| +54% | +$137K | ﹤0.01% | 777 |
|
|
2026
Q1 | $300K | Buy |
7,438
+6,390
| +610% | +$333K | ﹤0.01% | 736 |
|
|
2025
Q4 | $70.5K | Sell |
1,048
-766
| -42% | -$54.3K | ﹤0.01% | 977 |
|
|
2025
Q3 | $153K | Buy |
1,814
+684
| +61% | +$60.4K | ﹤0.01% | 759 |
|
|
2025
Q2 | $90.9K | Buy |
1,130
+753
| +200% | +$58.7K | ﹤0.01% | 815 |
|
|
2025
Q1 | $29.9K | Buy |
377
+278
| +281% | +$21.1K | ﹤0.01% | 907 |
|
|
2024
Q4 | $7.09K | Sell |
99
-281
| -74% | -$21.2K | ﹤0.01% | 1177 |
|
|
2024
Q3 | $28.7K | Sell |
380
-7,300
| -95% | -$554K | ﹤0.01% | 885 |
|
|
2024
Q2 | $569K | Sell |
7,680
-357
| -4% | -$30.3K | ﹤0.01% | 361 |
|
|
2024
Q1 | $776K | Sell |
8,037
-5,867
| -42% | -$505K | 0.01% | 305 |
|
|
2023
Q4 | $1.22M | Buy |
13,904
+95
| +0.7% | +$7.69K | 0.01% | 232 |
|
|
2023
Q3 | $1.06M | Buy |
13,809
+329
| +2% | +$27.3K | 0.01% | 242 |
|
|
2023
Q2 | $1.2M | Hold |
13,480
| – | – | 0.01% | 223 |
|
|
2023
Q1 | $928K | Hold |
13,480
| – | – | 0.01% | 256 |
|
|
2022
Q4 | $1.04M | Sell |
13,480
-5,020
| -27% | -$392K | 0.01% | 221 |
|
|
2022
Q3 | $1.29M | Buy |
18,500
+295
| +2% | +$20.5K | 0.01% | 192 |
|
|
2022
Q2 | $1.1M | Sell |
18,205
-75
| -0.4% | -$4.54K | 0.01% | 204 |
|
|
2022
Q1 | $1.22M | Buy |
18,280
+1,750
| +11% | +$116K | 0.01% | 217 |
|
|
2021
Q4 | $1.31M | Buy |
16,530
+2,900
| +21% | +$243K | 0.01% | 215 |
|
|
2021
Q3 | $1.17M | Hold |
13,630
| – | – | 0.01% | 209 |
|
|
2021
Q2 | $1.13M | Sell |
13,630
-260
| -2% | -$22.5K | 0.01% | 215 |
|
|
2021
Q1 | $1.14M | Buy |
13,890
+260
| +2% | +$22.4K | 0.01% | 207 |
|
|
2020
Q4 | $1.26M | Hold |
13,630
| – | – | 0.01% | 198 |
|
|
2020
Q3 | $1.16M | Hold |
13,630
| – | – | 0.01% | 198 |
|
|
2020
Q2 | $969K | Sell |
13,630
-3,110
| -19% | -$201K | 0.01% | 202 |
|
|
2020
Q1 | $983K | Buy |
16,740
+150
| +0.9% | +$9.78K | 0.01% | 197 |
|
|
2019
Q4 | $993K | Hold |
16,590
| – | – | 0.01% | 240 |
|
|
2019
Q3 | $984K | Sell |
16,590
-10,900
| -40% | -$652K | 0.01% | 227 |
|
|
2019
Q2 | $1.52M | Sell |
27,490
-20
| -0.1% | -$1.02K | 0.01% | 184 |
|
|
2019
Q1 | $1.28M | Buy |
27,510
+40
| +0.1% | +$1.65K | 0.01% | 185 |
|
|
2018
Q4 | $927K | Buy |
27,470
+200
| +0.7% | +$7.31K | 0.01% | 203 |
|
|
2018
Q3 | $1.15M | Sell |
27,270
-9,560
| -26% | -$409K | 0.01% | 190 |
|
|
2018
Q2 | $1.52M | Hold |
36,830
| – | – | 0.01% | 152 |
|
|
2018
Q1 | $1.34M | Sell |
36,830
-250
| -0.7% | -$8.62K | 0.01% | 158 |
|
|
2017
Q4 | $1.1M | Buy |
37,080
+250
| +0.7% | +$7.32K | 0.01% | 178 |
|
|
2017
Q3 | $988K | Buy |
36,830
+1,570
| +4% | +$43.6K | 0.01% | 180 |
|
|
2017
Q2 | $929K | Hold |
35,260
| – | – | 0.01% | 174 |
|
|
2017
Q1 | $731K | Buy |
35,260
+24,660
| +233% | +$501K | ﹤0.01% | 201 |
|
|
2016
Q4 | $200K | Buy |
+10,600
| New | +$208K | ﹤0.01% | 302 |
|
|
2015
Q4 | – | Sell |
-1,300
| Closed | -$22K | – | 755 |
|
|
2015
Q3 | $22K | Hold |
1,300
| – | – | ﹤0.01% | 597 |
|
|
2015
Q2 | $26K | Buy |
+1,300
| New | +$26.5K | ﹤0.01% | 579 |
|
Other funds holding CSGP
ACM
Brown Brothers Harriman & Co's CSGP Position: Q2 2026 in Review
Brown Brothers Harriman & Co increased its CoStar Group (CSGP) stake by 54% in Q2 2026, buying an estimated $137K and bringing the position to 11,433 shares worth $324K. The position accounts for ﹤0.01% of the portfolio, ranked #777.
Brown Brothers Harriman & Co first reported a position in CSGP in Q2 2015 and has held it in 41 quarters since. The position peaked at $1.52M in Q2 2019. 757 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.
- Brown Brothers Harriman & Co held 11,433 shares of CoStar Group worth $324K as of Q2 2026.
- Brown Brothers Harriman & Co bought 3,995 CoStar Group shares in Q2 2026, an estimated $137K.
- CoStar Group made up ﹤0.01% of Brown Brothers Harriman & Co's portfolio in Q2 2026, its #777 holding.
- Brown Brothers Harriman & Co first reported a position in CoStar Group in Q2 2015 and has held it in 41 quarters since.
- Brown Brothers Harriman & Co's CoStar Group position peaked at $1.52M in Q2 2019.
- 757 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.
Based on Brown Brothers Harriman & Co's 13F filing for Q2 2026, filed 12 Aug 2026.