Gilder Gagnon Howe & 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
Q1
$3.67M Sell
91,094
-148,940
-62% -$7.75M 0.04% 166
2025
Q4
$16.1M Sell
240,034
-38,469
-14% -$2.72M 0.17% 102
2025
Q3
$23.5M Buy
278,503
+33,071
+13% +$2.92M 0.24% 86
2025
Q2
$19.7M Sell
245,432
-328
-0.1% -$25.6K 0.21% 89
2025
Q1
$19.5M Buy
245,760
+79,763
+48% +$6.07M 0.25% 85
2024
Q4
$11.9M Sell
165,997
-23,314
-12% -$1.76M 0.13% 110
2024
Q3
$14.3M Buy
189,311
+25,791
+16% +$1.96M 0.17% 104
2024
Q2
$12.1M Buy
163,520
+21,156
+15% +$1.79M 0.15% 109
2024
Q1
$13.8M Buy
+142,364
New +$12.3M 0.17% 104
2017
Q2
Sell
-702,920
Closed -$14.6M 288
2017
Q1
$14.6M Sell
702,920
-99,350
-12% -$2.02M 0.25% 89
2016
Q4
$15.1M Sell
802,270
-6,200
-0.8% -$122K 0.3% 77
2016
Q3
$17.5M Sell
808,470
-9,660
-1% -$206K 0.3% 73
2016
Q2
$17.9M Sell
818,130
-9,980
-1% -$197K 0.36% 67
2016
Q1
$15.6M Sell
828,110
-254,010
-23% -$4.5M 0.31% 61
2015
Q4
$22.4M Sell
1,082,120
-8,180
-0.8% -$163K 0.36% 64
2015
Q3
$18.9M Sell
1,090,300
-209,810
-16% -$4.02M 0.3% 73
2015
Q2
$26.2M Sell
1,300,110
-4,020
-0.3% -$82K 0.34% 63
2015
Q1
$25.8M Sell
1,304,130
-170,890
-12% -$3.23M 0.36% 62
2014
Q4
$27.1M Sell
1,475,020
-2,035,490
-58% -$32.9M 0.4% 63
2014
Q3
$54.6M Sell
3,510,510
-13,740
-0.4% -$205K 0.79% 37
2014
Q2
$55.7M Buy
3,524,250
+1,715,080
+95% +$27.8M 0.74% 39
2014
Q1
$33.8M Sell
1,809,170
-259,240
-13% -$4.89M 0.46% 69
2013
Q4
$38.2M Sell
2,068,410
-33,430
-2% -$591K 0.54% 57
2013
Q3
$35.3M Sell
2,101,840
-28,300
-1% -$434K 0.55% 57
2013
Q2
$27.5M Buy
+2,130,140
New +$24.1M 0.52% 62

Other funds holding CSGP