AllianceBernstein’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
$27.4M Sell
407,508
-14,665
-3% -$763K 0.01% 793
2025
Q4
$28.4M Sell
422,173
-42,650
-9% -$3.02M 0.01% 818
2025
Q3
$39.2M Buy
464,823
+4,152
+0.9% +$367K 0.01% 685
2025
Q2
$37M Sell
460,671
-16,835
-4% -$1.31M 0.01% 690
2025
Q1
$37.8M Buy
477,506
+9,105
+2% +$693K 0.01% 656
2024
Q4
$33.5M Sell
468,401
-482
-0.1% -$36.4K 0.01% 728
2024
Q3
$35.4M Sell
468,883
-94,125
-17% -$7.14M 0.01% 716
2024
Q2
$41.7M Buy
563,008
+26,022
+5% +$2.21M 0.01% 644
2024
Q1
$51.9M Buy
536,986
+52,742
+11% +$4.54M 0.02% 590
2023
Q4
$42.3M Buy
484,244
+3,331
+0.7% +$270K 0.02% 635
2023
Q3
$37M Sell
480,913
-62,340
-11% -$5.16M 0.02% 649
2023
Q2
$48.3M Buy
543,253
+48,964
+10% +$3.78M 0.02% 582
2023
Q1
$34M Sell
494,289
-20,285
-4% -$1.5M 0.01% 668
2022
Q4
$39.8M Buy
514,574
+15,549
+3% +$1.21M 0.02% 629
2022
Q3
$34.8M Buy
499,025
+303,668
+155% +$21.1M 0.02% 652
2022
Q2
$11.8M Buy
195,357
+1,802
+0.9% +$109K 0.01% 1041
2022
Q1
$12.9M Sell
193,555
-9,047
-4% -$601K 0.01% 1094
2021
Q4
$16M Sell
202,602
-11,033
-5% -$926K 0.01% 1026
2021
Q3
$18.4M Sell
213,635
-2,785
-1% -$241K 0.01% 975
2021
Q2
$17.9M Sell
216,420
-25,360
-10% -$2.19M 0.01% 985
2021
Q1
$19.9M Sell
241,780
-450
-0.2% -$38.9K 0.01% 924
2020
Q4
$22.4M Sell
242,230
-521,300
-68% -$45.7M 0.01% 836
2020
Q3
$64.8M Sell
763,530
-234,690
-24% -$18.7M 0.03% 471
2020
Q2
$70.9M Buy
998,220
+37,640
+4% +$2.43M 0.04% 431
2020
Q1
$56.4M Sell
960,580
-417,660
-30% -$27.2M 0.04% 406
2019
Q4
$82.5M Sell
1,378,240
-712,230
-34% -$41.6M 0.05% 386
2019
Q3
$124M Buy
2,090,470
+128,420
+7% +$7.69M 0.08% 247
2019
Q2
$109M Buy
1,962,050
+207,310
+12% +$10.6M 0.07% 279
2019
Q1
$81.8M Buy
1,754,740
+187,710
+12% +$7.76M 0.05% 362
2018
Q4
$52.9M Sell
1,567,030
-60,550
-4% -$2.21M 0.04% 456
2018
Q3
$68.5M Sell
1,627,580
-398,350
-20% -$17M 0.04% 414
2018
Q2
$83.6M Sell
2,025,930
-680,830
-25% -$26.2M 0.06% 356
2018
Q1
$98.2M Sell
2,706,760
-1,312,420
-33% -$45.2M 0.07% 297
2017
Q4
$119M Sell
4,019,180
-216,710
-5% -$6.35M 0.09% 238
2017
Q3
$114M Sell
4,235,890
-649,950
-13% -$18M 0.09% 242
2017
Q2
$129M Buy
4,885,840
+280,660
+6% +$6.83M 0.1% 205
2017
Q1
$95.4M Sell
4,605,180
-526,940
-10% -$10.7M 0.08% 288
2016
Q4
$96.7M Buy
5,132,120
+165,040
+3% +$3.24M 0.08% 251
2016
Q3
$108M Sell
4,967,080
-475,750
-9% -$10.1M 0.09% 222
2016
Q2
$119M Sell
5,442,830
-773,500
-12% -$15.3M 0.1% 201
2016
Q1
$117M Sell
6,216,330
-1,586,650
-20% -$28.1M 0.1% 216
2015
Q4
$161M Sell
7,802,980
-804,840
-9% -$16M 0.14% 160
2015
Q3
$149M Buy
8,607,820
+642,180
+8% +$12.3M 0.13% 170
2015
Q2
$160M Buy
7,965,640
+771,360
+11% +$15.7M 0.13% 171
2015
Q1
$142M Buy
7,194,280
+2,173,150
+43% +$41M 0.12% 187
2014
Q4
$92.2M Sell
5,021,130
-743,970
-13% -$12M 0.08% 275
2014
Q3
$89.7M Sell
5,765,100
-5,447,710
-49% -$81.2M 0.08% 282
2014
Q2
$177M Buy
11,212,810
+924,400
+9% +$15M 0.15% 151
2014
Q1
$192M Buy
10,288,410
+131,080
+1% +$2.47M 0.17% 142
2013
Q4
$187M Sell
10,157,330
-623,790
-6% -$11M 0.17% 140
2013
Q3
$181M Sell
10,781,120
-1,770,040
-14% -$27.2M 0.18% 131
2013
Q2
$162M Buy
+12,551,160
New +$142M 0.17% 131

Other funds holding CSGP

AllianceBernstein's CSGP Position: Q1 2026 in Review

AllianceBernstein reduced its CoStar Group (CSGP) stake by 3.5% in Q1 2026, selling an estimated $763K and leaving 407,508 shares worth $27.4M. The position accounts for 0.01% of the portfolio, ranked #793.

AllianceBernstein first reported a position in CSGP in Q2 2013 and has held it in 52 quarters since. The position peaked at $192M in Q1 2014. 792 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • AllianceBernstein held 407,508 shares of CoStar Group worth $27.4M as of Q1 2026.
  • AllianceBernstein sold 14,665 CoStar Group shares in Q1 2026, an estimated $763K.
  • CoStar Group made up 0.01% of AllianceBernstein's portfolio in Q1 2026, its #793 holding.
  • AllianceBernstein first reported a position in CoStar Group in Q2 2013 and has held it in 52 quarters since.
  • AllianceBernstein's CoStar Group position peaked at $192M in Q1 2014.
  • 792 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on AllianceBernstein's 13F filing for Q1 2026, filed 15 May 2026.