GW&K Investment 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
$25K Buy
626
+33
+6% +$1.72K ﹤0.01% 698
2025
Q4
$40K Buy
593
+6
+1% +$425 ﹤0.01% 597
2025
Q3
$50K Buy
587
+23
+4% +$2.03K ﹤0.01% 533
2025
Q2
$45K Buy
564
+1
+0.2% +$78 ﹤0.01% 531
2025
Q1
$45K Buy
563
+64
+13% +$4.87K ﹤0.01% 506
2024
Q4
$36K Sell
499
-16
-3% -$1.21K ﹤0.01% 516
2024
Q3
$39K Buy
515
+53
+11% +$4.02K ﹤0.01% 488
2024
Q2
$34K Buy
462
+7
+2% +$593 ﹤0.01% 480
2024
Q1
$44K Buy
455
+357
+364% +$30.7K ﹤0.01% 445
2023
Q4
$9K Buy
98
+3
+3% +$243 ﹤0.01% 696
2023
Q3
$7K Buy
95
+7
+8% +$580 ﹤0.01% 700
2023
Q2
$8K Buy
88
+84
+2,100% +$6.49K ﹤0.01% 659
2023
Q1
$0 Buy
+4
New +$295 ﹤0.01% 505
2021
Q3
Sell
-200
Closed -$17K 382
2021
Q2
$17K Hold
200
﹤0.01% 366
2021
Q1
$16K Hold
200
﹤0.01% 362
2020
Q4
$18K Hold
200
﹤0.01% 355
2020
Q3
$17K Hold
200
﹤0.01% 348
2020
Q2
$14K Hold
200
﹤0.01% 347
2020
Q1
$12K Hold
200
﹤0.01% 351
2019
Q4
$12K Hold
200
﹤0.01% 363
2019
Q3
$12K Buy
+200
New +$12K ﹤0.01% 354
2018
Q3
Sell
-1,028,050
Closed -$42.4M 288
2018
Q2
$42.4M Sell
1,028,050
-15,720
-2% -$605K 0.69% 39
2018
Q1
$37.9M Buy
1,043,770
+7,790
+0.8% +$269K 0.64% 44
2017
Q4
$30.8M Buy
1,035,980
+2,770
+0.3% +$81.2K 0.53% 75
2017
Q3
$27.7M Buy
1,033,210
+4,640
+0.5% +$129K 0.46% 98
2017
Q2
$27.1M Buy
1,028,570
+201,620
+24% +$4.9M 0.47% 98
2017
Q1
$17.1M Sell
826,950
-35,060
-4% -$712K 0.32% 123
2016
Q4
$16.2M Sell
862,010
-60,430
-7% -$1.19M 0.32% 126
2016
Q3
$20M Buy
922,440
+196,180
+27% +$4.18M 0.38% 119
2016
Q2
$15.9M Buy
726,260
+109,820
+18% +$2.17M 0.33% 124
2016
Q1
$11.6M Buy
616,440
+76,710
+14% +$1.36M 0.26% 133
2015
Q4
$11.2M Buy
539,730
+6,670
+1% +$133K 0.26% 128
2015
Q3
$9.22M Buy
533,060
+82,440
+18% +$1.58M 0.22% 141
2015
Q2
$9.07M Buy
450,620
+24,950
+6% +$509K 0.21% 141
2015
Q1
$8.42M Sell
425,670
-1,653,670
-80% -$31.2M 0.19% 141
2014
Q4
$38.2M Buy
2,079,340
+310,880
+18% +$5.02M 0.91% 39
2014
Q3
$27.5M Buy
1,768,460
+31,000
+2% +$462K 0.72% 59
2014
Q2
$27.5M Buy
1,737,460
+128,150
+8% +$2.08M 0.7% 59
2014
Q1
$30.1M Buy
1,609,310
+24,160
+2% +$456K 0.81% 47
2013
Q4
$29.3M Sell
1,585,150
-927,030
-37% -$16.4M 0.8% 54
2013
Q3
$42.2M Buy
2,512,180
+333,350
+15% +$5.11M 1.29% 14
2013
Q2
$28.1M Buy
+2,178,830
New +$24.7M 1.04% 23

Other funds holding CSGP

GW&K Investment Management's CSGP Position: Q1 2026 in Review

GW&K Investment Management increased its CoStar Group (CSGP) stake by 5.6% in Q1 2026, buying an estimated $1.72K and bringing the position to 626 shares worth $25K. The position accounts for ﹤0.01% of the portfolio, ranked #698.

GW&K Investment Management first reported a position in CSGP in Q2 2013 and has held it in 42 quarters since. The position peaked at $42.4M in Q2 2018. 793 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • GW&K Investment Management held 626 shares of CoStar Group worth $25K as of Q1 2026.
  • GW&K Investment Management bought 33 CoStar Group shares in Q1 2026, an estimated $1.72K.
  • CoStar Group made up ﹤0.01% of GW&K Investment Management's portfolio in Q1 2026, its #698 holding.
  • GW&K Investment Management first reported a position in CoStar Group in Q2 2013 and has held it in 42 quarters since.
  • GW&K Investment Management's CoStar Group position peaked at $42.4M in Q2 2018.
  • 793 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on GW&K Investment Management's 13F filing for Q1 2026, filed 13 May 2026.