Entity Common Stock, Shares Outstanding of COSTAR GROUP, INC. from 22 Jul 2011 to 20 Feb 2026

Taxonomy & unit
dei: shares
Description
Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.
Summary
COSTAR GROUP, INC. quarterly Entity Common Stock, Shares Outstanding in shares history and change rate from 22 Jul 2011 to 20 Feb 2026.
  • COSTAR GROUP, INC. Entity Common Stock, Shares Outstanding for the quarter ending 20 Feb 2026 was 419,793,301, a 0.5% decline year-over-year.
Source SEC data
View on sec.gov
Entity Common Stock, Shares Outstanding, Quarterly (shares)
Entity Common Stock, Shares Outstanding, YoY Quarterly Change (%)

COSTAR GROUP, INC. Quarterly Entity Common Stock, Shares Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q1 2026 419,793,301 -2,093,352 -0.5% 20 Feb 2026 10-K 26 Feb 2026 2025 FY
Q3 2025 423,822,791 +13,863,274 +3.4% 27 Oct 2025 10-Q 29 Oct 2025 2025 Q3
Q2 2025 423,650,362 +13,833,514 +3.4% 21 Jul 2025 10-Q 23 Jul 2025 2025 Q2
Q1 2025 421,886,653 +13,544,327 +3.3% 28 Apr 2025 10-Q 01 May 2025 2025 Q1
Q4 2024 410,125,610 13 Feb 2025 10-K 20 Feb 2025 2024 FY
Q3 2024 409,959,517 +1,596,149 +0.39% 21 Oct 2024 10-Q 23 Oct 2024 2024 Q3
Q2 2024 409,816,848 +1,480,248 +0.36% 22 Jul 2024 10-Q 25 Jul 2024 2024 Q2
Q1 2024 408,342,326 -196,883 -0.05% 22 Apr 2024 10-Q 24 Apr 2024 2024 Q1
Q3 2023 408,363,368 +1,673,308 +0.41% 20 Oct 2023 10-Q 25 Oct 2023 2023 Q3
Q2 2023 408,336,600 +12,387,175 +3.1% 21 Jul 2023 10-Q 26 Jul 2023 2023 Q2
Q1 2023 408,539,209 +12,313,917 +3.1% 21 Apr 2023 10-Q 26 Apr 2023 2023 Q1
Q3 2022 406,690,060 +11,754,291 +3% 21 Oct 2022 10-Q 26 Oct 2022 2022 Q3
Q2 2022 395,949,425 +994,277 +0.25% 22 Jul 2022 10-Q 27 Jul 2022 2022 Q2
Q1 2022 396,225,292 +356,731,742 +903% 22 Apr 2022 10-Q 28 Apr 2022 2022 Q1
Q3 2021 394,935,769 +355,517,692 +902% 22 Oct 2021 10-Q 27 Oct 2021 2021 Q3
Q2 2021 394,955,148 +355,588,050 +903% 23 Jul 2021 10-Q 28 Jul 2021 2021 Q2
Q1 2021 39,493,550 +2,767,107 +7.5% 23 Apr 2021 10-Q 28 Apr 2021 2021 Q1
Q3 2020 39,418,077 +2,783,101 +7.6% 23 Oct 2020 10-Q 28 Oct 2020 2020 Q3
Q2 2020 39,367,098 +2,818,444 +7.7% 24 Jul 2020 10-Q 29 Jul 2020 2020 Q2
Q1 2020 36,726,443 +184,867 +0.51% 24 Apr 2020 10-Q 29 Apr 2020 2020 Q1
Q3 2019 36,634,976 +215,189 +0.59% 18 Oct 2019 10-Q 23 Oct 2019 2019 Q3
Q2 2019 36,548,654 +157,570 +0.43% 19 Jul 2019 10-Q 24 Jul 2019 2019 Q2
Q1 2019 36,541,576 +149,555 +0.41% 19 Apr 2019 10-Q 24 Apr 2019 2019 Q1
Q3 2018 36,419,787 +274,297 +0.76% 19 Oct 2018 10-Q 24 Oct 2018 2018 Q3
Q2 2018 36,391,084 +3,570,500 +11% 20 Jul 2018 10-Q 25 Jul 2018 2018 Q2
Q1 2018 36,392,021 +3,643,224 +11% 20 Apr 2018 10-Q 25 Apr 2018 2018 Q1
Q3 2017 36,145,490 +3,552,049 +11% 20 Oct 2017 10-Q 26 Oct 2017 2017 Q3
Q2 2017 32,820,584 +217,850 +0.67% 21 Jul 2017 10-Q 27 Jul 2017 2017 Q2
Q1 2017 32,748,797 +198,029 +0.61% 21 Apr 2017 10-Q 27 Apr 2017 2017 Q1
Q3 2016 32,593,441 +104,611 +0.32% 21 Oct 2016 10-Q 27 Oct 2016 2016 Q3
Q2 2016 32,602,734 +132,227 +0.41% 22 Jul 2016 10-Q 28 Jul 2016 2016 Q2
Q1 2016 32,550,768 +141,007 +0.44% 22 Apr 2016 10-Q 28 Apr 2016 2016 Q1
Q3 2015 32,488,830 +139,566 +0.43% 23 Oct 2015 10-Q 29 Oct 2015 2015 Q3
Q2 2015 32,470,507 +169,384 +0.52% 24 Jul 2015 10-Q 30 Jul 2015 2015 Q2
Q1 2015 32,409,761 +3,641,401 +13% 24 Apr 2015 10-Q 30 Apr 2015 2015 Q1
Q3 2014 32,349,264 +3,593,016 +12% 24 Oct 2014 10-Q 30 Oct 2014 2014 Q3
Q2 2014 32,301,123 +3,676,329 +13% 18 Jul 2014 10-Q 25 Jul 2014 2014 Q2
Q1 2014 28,768,360 +227,195 +0.8% 18 Apr 2014 10-Q 24 Apr 2014 2014 Q1
Q4 2013 28,853,559 14 Feb 2014 10-K 20 Feb 2014 2013 FY
Q3 2013 28,756,248 +496,355 +1.8% 18 Oct 2013 10-Q 24 Oct 2013 2013 Q3
Q2 2013 28,624,794 +418,356 +1.5% 19 Jul 2013 10-Q 24 Jul 2013 2013 Q2
Q1 2013 28,541,165 +2,734,808 +11% 19 Apr 2013 10-Q 25 Apr 2013 2013 Q1
Q3 2012 28,259,893 +2,922,879 +12% 19 Oct 2012 10-Q 25 Oct 2012 2012 Q3
Q2 2012 28,206,438 +2,899,005 +11% 20 Jul 2012 10-Q 26 Jul 2012 2012 Q2
Q1 2012 25,806,357 20 Apr 2012 10-Q 27 Apr 2012 2012 Q1
Q3 2011 25,337,014 21 Oct 2011 10-Q 27 Oct 2011 2011 Q3
Q2 2011 25,307,433 22 Jul 2011 10-Q 28 Jul 2011 2011 Q2
* An asterisk sign (*) next to the value indicates that the value is likely invalid.