Kayne Anderson Rudnick 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
Q2
$18.7K Sell
661
-231
-26% -$7.95K ﹤0.01% 694
2026
Q1
$36K Sell
892
-634,828
-100% -$33M ﹤0.01% 610
2025
Q4
$42.7M Sell
635,720
-105,921
-14% -$7.5M 0.11% 135
2025
Q3
$62.6M Sell
741,641
-41,045
-5% -$3.63M 0.15% 121
2025
Q2
$62.9M Sell
782,686
-49,853
-6% -$3.88M 0.15% 121
2025
Q1
$66M Sell
832,539
-75,309
-8% -$5.73M 0.16% 120
2024
Q4
$65M Sell
907,848
-40,934
-4% -$3.09M 0.15% 122
2024
Q3
$71.6M Sell
948,782
-27,861
-3% -$2.11M 0.16% 119
2024
Q2
$72.4M Sell
976,643
-41,400
-4% -$3.51M 0.18% 117
2024
Q1
$98.3M Sell
1,018,043
-28,922
-3% -$2.49M 0.23% 111
2023
Q4
$91.5M Buy
1,046,965
+17,038
+2% +$1.38M 0.23% 111
2023
Q3
$79.2M Sell
1,029,927
-25,042
-2% -$2.07M 0.23% 113
2023
Q2
$93.9M Sell
1,054,969
-24,364
-2% -$1.88M 0.26% 104
2023
Q1
$74.3M Sell
1,079,333
-21,262
-2% -$1.57M 0.22% 115
2022
Q4
$85.1M Sell
1,100,595
-48,491
-4% -$3.79M 0.27% 105
2022
Q3
$80M Sell
1,149,086
-19,402
-2% -$1.35M 0.27% 107
2022
Q2
$70.6M Buy
1,168,488
+20,282
+2% +$1.23M 0.22% 113
2022
Q1
$76.5M Sell
1,148,206
-27,326
-2% -$1.81M 0.2% 122
2021
Q4
$92.9M Sell
1,175,532
-14,244
-1% -$1.2M 0.21% 119
2021
Q3
$102M Sell
1,189,776
-191
-0% -$16.5K 0.25% 110
2021
Q2
$98.6M Sell
1,189,967
-2,833
-0.2% -$245K 0.24% 105
2021
Q1
$98M Buy
1,192,800
+10,880
+0.9% +$939K 0.26% 105
2020
Q4
$109M Buy
1,181,920
+57,080
+5% +$5M 0.32% 95
2020
Q3
$95.4M Buy
1,124,840
+124,160
+12% +$9.9M 0.35% 85
2020
Q2
$71.1M Buy
1,000,680
+167,980
+20% +$10.9M 0.3% 88
2020
Q1
$48.9M Buy
832,700
+77,070
+10% +$5.02M 0.28% 86
2019
Q4
$45.2M Buy
755,630
+14,870
+2% +$868K 0.22% 101
2019
Q3
$43.9M Buy
740,760
+46,570
+7% +$2.79M 0.23% 89
2019
Q2
$38.5M Buy
694,190
+28,620
+4% +$1.46M 0.2% 98
2019
Q1
$31M Buy
665,570
+96,720
+17% +$4M 0.18% 103
2018
Q4
$19.2M Sell
568,850
-71,970
-11% -$2.63M 0.13% 114
2018
Q3
$27M Sell
640,820
-5,210
-0.8% -$223K 0.16% 108
2018
Q2
$26.7M Sell
646,030
-1,370
-0.2% -$52.7K 0.17% 106
2018
Q1
$23.5M Sell
647,400
-25,940
-4% -$894K 0.18% 110
2017
Q4
$20M Sell
673,340
-5,690
-0.8% -$167K 0.16% 121
2017
Q3
$18.2M Sell
679,030
-18,120
-3% -$503K 0.16% 127
2017
Q2
$18.4M Sell
697,150
-318,020
-31% -$7.73M 0.18% 129
2017
Q1
$21M Sell
1,015,170
-26,350
-3% -$535K 0.23% 119
2016
Q4
$19.6M Sell
1,041,520
-31,700
-3% -$623K 0.23% 119
2016
Q3
$23.2M Buy
1,073,220
+270,180
+34% +$5.75M 0.29% 101
2016
Q2
$17.6M Sell
803,040
-16,570
-2% -$328K 0.26% 108
2016
Q1
$15.4M Sell
819,610
-16,900
-2% -$299K 0.25% 112
2015
Q4
$17.3M Sell
836,510
-13,020
-2% -$259K 0.29% 93
2015
Q3
$14.7M Sell
849,530
-16,260
-2% -$311K 0.25% 102
2015
Q2
$17.4M Sell
865,790
-12,420
-1% -$253K 0.27% 99
2015
Q1
$17.4M Buy
878,210
+12,570
+1% +$237K 0.27% 101
2014
Q4
$15.9M Sell
865,640
-55,560
-6% -$898K 0.26% 103
2014
Q3
$14.3M Sell
921,200
-34,160
-4% -$509K 0.26% 118
2014
Q2
$15.1M Buy
955,360
+870,550
+1,026% +$14.1M 0.26% 111
2014
Q1
$1.58M Buy
+84,810
New +$1.6M 0.03% 214

Other funds holding CSGP

Kayne Anderson Rudnick Investment Management's CSGP Position: Q2 2026 in Review

Kayne Anderson Rudnick Investment Management reduced its CoStar Group (CSGP) stake by 26% in Q2 2026, selling an estimated $7.95K and leaving 661 shares worth $18.7K. The position accounts for ﹤0.01% of the portfolio, ranked #694.

Kayne Anderson Rudnick Investment Management first reported a position in CSGP in Q1 2014 and has held it in 50 quarters since. The position peaked at $109M in Q4 2020. 756 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

  • Kayne Anderson Rudnick Investment Management held 661 shares of CoStar Group worth $18.7K as of Q2 2026.
  • Kayne Anderson Rudnick Investment Management sold 231 CoStar Group shares in Q2 2026, an estimated $7.95K.
  • CoStar Group made up ﹤0.01% of Kayne Anderson Rudnick Investment Management's portfolio in Q2 2026, its #694 holding.
  • Kayne Anderson Rudnick Investment Management first reported a position in CoStar Group in Q1 2014 and has held it in 50 quarters since.
  • Kayne Anderson Rudnick Investment Management's CoStar Group position peaked at $109M in Q4 2020.
  • 756 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on Kayne Anderson Rudnick Investment Management's 13F filing for Q2 2026, filed 13 Aug 2026.