COSTAR GROUP, INC. Diluted Shares Outstanding (Weighted Average)
COSTAR GROUP, INC. (CSGP) reported Diluted Shares Outstanding (Weighted Average) of 404.40 million shares for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-07-29.
Financial Statements › Income Statement › Earnings Per Share
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding · last filed 2026-07-29
- COSTAR GROUP, INC. weighted average number of shares outstanding, diluted for the quarter ending 2026-06-30 was 404.40M shares, a 4.69% decline year-over-year.
- COSTAR GROUP, INC. weighted average number of shares outstanding, diluted for the quarter ending 2026-03-31 was 414.00M shares, a 0.85% increase year-over-year.
- COSTAR GROUP, INC. weighted average number of shares outstanding, diluted for the quarter ending 2025-12-31 was 432.70M shares, a 5.95% increase year-over-year.
- COSTAR GROUP, INC. weighted average number of shares outstanding, diluted for the quarter ending 2025-09-30 was 419.90M shares, a 2.92% increase year-over-year.
- COSTAR GROUP, INC. weighted average number of shares outstanding, diluted for fiscal 2025 was 420.70M shares, a 3.16% increase from fiscal 2024.
- COSTAR GROUP, INC. weighted average number of shares outstanding, diluted for fiscal 2024 was 407.80M shares, a 0.22% increase from fiscal 2023.
- COSTAR GROUP, INC. weighted average number of shares outstanding, diluted for fiscal 2023 was 406.90M shares, a 2.29% increase from fiscal 2022.
- COSTAR GROUP, INC. weighted average number of shares outstanding, diluted for fiscal 2022 was 397.80M shares, a 0.91% increase from fiscal 2021.
| Period end | Weighted Average Number of Shares Outstanding, Diluted 3 month | Weighted Average Number of Shares Outstanding, Diluted 3 month as first filed | Weighted Average Number of Shares Outstanding, Diluted 6 month | Weighted Average Number of Shares Outstanding, Diluted 6 month as first filed | Weighted Average Number of Shares Outstanding, Diluted 9 month | Weighted Average Number of Shares Outstanding, Diluted 9 month as first filed | Weighted Average Number of Shares Outstanding, Diluted 12 month | Weighted Average Number of Shares Outstanding, Diluted 12 month as first filed |
|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | 404.40M shares 10-Q · filed 2026-07-29 | 409.10M shares 10-Q · filed 2026-07-29 | 417.03M shares derived: average of 3 quarters · filed 2026-07-29 | 417.75M shares derived: average of 4 quarters · filed 2026-07-29 | ||||
| 2026-03-31 | 414.00M shares 10-Q · filed 2026-04-29 | 423.35M shares derived: average of 2 quarters · filed 2026-04-29 | 422.20M shares derived: average of 3 quarters · filed 2026-04-29 | 422.73M shares derived: average of 4 quarters · filed 2026-07-29 | ||||
| 2025-12-31 | 432.70M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | 426.30M shares derived: average of 2 quarters · filed 2026-02-26 | 425.63M shares derived: average of 3 quarters · filed 2026-07-29 | 420.70M shares 10-K · filed 2026-02-26 | ||||
| 2025-09-30 | 419.90M shares 10-Q · filed 2025-10-29 | 422.10M shares derived: average of 2 quarters · filed 2026-07-29 | 416.70M shares 10-Q · filed 2025-10-29 | 415.77M shares derived: average of 4 quarters · filed 2026-07-29 | ||||
| 2025-06-30 | 424.30M shares 10-Q · filed 2026-07-29 | 415.10M shares 10-Q · filed 2026-07-29 | 414.40M shares derived: average of 3 quarters · filed 2026-07-29 | 412.80M shares derived: average of 4 quarters · filed 2026-07-29 | ||||
| 2025-03-31 | 410.50M shares 10-Q · filed 2026-04-29 | 409.45M shares derived: average of 2 quarters · filed 2026-04-29 | 408.97M shares derived: average of 3 quarters · filed 2026-04-29 | 408.57M shares derived: average of 4 quarters · filed 2026-04-29 | ||||
| 2024-12-31 | 408.40M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | 408.20M shares derived: average of 2 quarters · filed 2026-02-26 | 407.93M shares derived: average of 3 quarters · filed 2026-02-26 | 407.80M shares 10-K · filed 2026-02-26 | ||||
| 2024-09-30 | 408.00M shares 10-Q · filed 2025-10-29 | 407.70M shares derived: average of 2 quarters · filed 2025-10-29 | 407.60M shares 10-Q · filed 2025-10-29 | 407.55M shares derived: average of 4 quarters · filed 2026-02-26 | ||||
| 2024-06-30 | 407.40M shares 10-Q · filed 2025-07-23 | 407.30M shares 10-Q · filed 2025-07-23 | 407.40M shares derived: average of 3 quarters · filed 2026-02-26 | 407.35M shares derived: average of 4 quarters · filed 2026-02-26 | ||||
| 2024-03-31 | 407.30M shares 10-Q · filed 2025-05-01 | 407.40M shares derived: average of 2 quarters · filed 2026-02-26 | 407.33M shares derived: average of 3 quarters · filed 2026-02-26 | 407.18M shares derived: average of 4 quarters · filed 2026-02-26 | ||||
| 2023-12-31 | 407.50M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | 407.35M shares derived: average of 2 quarters · filed 2026-02-26 | 407.13M shares derived: average of 3 quarters · filed 2026-02-26 | 406.90M shares 10-K · filed 2026-02-26 | ||||
| 2023-09-30 | 407.20M shares 10-Q · filed 2024-10-23 | 407.23M shares 10-Q · filed 2023-10-25 | 406.95M shares derived: average of 2 quarters · filed 2024-10-23 | 406.70M shares 10-Q · filed 2024-10-23 | 406.71M shares 10-Q · filed 2023-10-25 | 406.60M shares derived: average of 4 quarters · filed 2025-02-20 | ||
| 2023-06-30 | 406.70M shares 10-Q · filed 2024-07-25 | 406.75M shares 10-Q · filed 2023-07-26 | 406.50M shares 10-Q · filed 2024-07-25 | 406.45M shares 10-Q · filed 2023-07-26 | 406.39M shares derived: average of 3 quarters · filed 2025-02-20 | 403.85M shares derived: average of 4 quarters · filed 2025-02-20 | ||
| 2023-03-31 | 406.20M shares 10-Q · filed 2024-04-24 | 406.16M shares 10-Q · filed 2023-04-26 | 406.24M shares derived: average of 2 quarters · filed 2025-02-20 | 402.90M shares derived: average of 3 quarters · filed 2025-02-20 | 400.79M shares derived: average of 4 quarters · filed 2025-02-20 | |||
| 2022-12-31 | 406.28M shares derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-20 | 401.25M shares derived: average of 2 quarters · filed 2025-02-20 | 398.99M shares derived: average of 3 quarters · filed 2025-02-20 | 397.80M shares 10-K · filed 2025-02-20 | 397.75M shares 10-K · filed 2023-02-22 | |||
| 2022-09-30 | 396.21M shares 10-Q · filed 2023-10-25 | 395.34M shares derived: average of 2 quarters · filed 2023-10-25 | 394.97M shares 10-Q · filed 2023-10-25 | 394.90M shares derived: average of 4 quarters · filed 2024-02-22 | ||||
| 2022-06-30 | 394.48M shares 10-Q · filed 2023-07-26 | 394.36M shares 10-Q · filed 2023-07-26 | 394.47M shares derived: average of 3 quarters · filed 2024-02-22 | 394.42M shares derived: average of 4 quarters · filed 2024-02-22 | ||||
| 2022-03-31 | 394.23M shares 10-Q · filed 2023-04-26 | 394.46M shares derived: average of 2 quarters · filed 2024-02-22 | 394.41M shares derived: average of 3 quarters · filed 2024-02-22 | 394.33M shares derived: average of 4 quarters · filed 2024-02-22 | ||||
| 2021-12-31 | 394.69M shares derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-22 | 394.49M shares derived: average of 2 quarters · filed 2024-02-22 | 394.36M shares derived: average of 3 quarters · filed 2024-02-22 | 394.20M shares 10-K · filed 2024-02-22 | 394.16M shares 10-K · filed 2022-02-23 | |||
| 2021-09-30 | 394.30M shares 10-Q · filed 2022-10-26 | 394.20M shares derived: average of 2 quarters · filed 2022-10-26 | 394.04M shares 10-Q · filed 2022-10-26 | 394.01M shares derived: average of 4 quarters · filed 2023-02-22 | ||||
| 2021-06-30 | 394.10M shares 10-Q · filed 2022-07-27 | 393.91M shares 10-Q · filed 2022-07-27 | 393.92M shares derived: average of 3 quarters · filed 2023-02-22 | 393.94M shares derived: average of 4 quarters · filed 2023-02-22 | ||||
| 2021-03-31 | 393.71M shares 10-Q · filed 2022-04-28 | 39.37M shares 10-Q · filed 2021-04-28 | 393.83M shares derived: average of 2 quarters · filed 2023-02-22 | 393.89M shares derived: average of 3 quarters · filed 2023-02-22 | 389.75M shares derived: average of 4 quarters · filed 2023-02-22 | |||
| 2020-12-31 | 393.95M shares derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-22 | 393.98M shares derived: average of 2 quarters · filed 2023-02-22 | 388.43M shares derived: average of 3 quarters · filed 2023-02-22 | 383.27M shares 10-K · filed 2023-02-22 | 38.33M shares 10-K · filed 2021-02-24 | |||
| 2020-09-30 | 394.01M shares 10-Q · filed 2021-10-27 | 39.40M shares 10-Q · filed 2020-10-28 | 385.67M shares derived: average of 2 quarters · filed 2021-10-27 | 379.70M shares 10-Q · filed 2021-10-27 | 37.97M shares 10-Q · filed 2020-10-28 | 540.87M shares derived: average of 4 quarters · filed 2022-02-23 | ||
| 2020-06-30 | 377.34M shares 10-Q · filed 2021-07-28 | 37.73M shares 10-Q · filed 2020-07-29 | 372.55M shares 10-Q · filed 2021-07-28 | 37.26M shares 10-Q · filed 2020-07-29 | 589.82M shares derived: average of 3 quarters · filed 2022-02-23 | 451.53M shares derived: average of 4 quarters · filed 2022-02-23 | ||
| 2020-03-31 | 36.78M shares 10-Q · filed 2021-04-28 | 696.07M shares derived: average of 2 quarters · filed 2022-02-23 | 476.26M shares derived: average of 3 quarters · filed 2022-02-23 | 366.35M shares derived: average of 4 quarters · filed 2022-02-23 | ||||
| 2019-12-31 | 1.36B shares derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-23 | 696.01M shares derived: average of 2 quarters · filed 2022-02-23 | 476.21M shares derived: average of 3 quarters · filed 2022-02-23 | 366.30M shares 10-K · filed 2022-02-23 | 36.63M shares 10-K · filed 2020-02-26 | |||
| 2019-09-30 | 36.65M shares 10-Q · filed 2020-10-28 | 36.64M shares derived: average of 2 quarters · filed 2020-10-28 | 36.62M shares 10-Q · filed 2020-10-28 | 36.58M shares derived: average of 4 quarters · filed 2021-02-24 | ||||
| 2019-06-30 | 36.63M shares 10-Q · filed 2020-07-29 | 36.60M shares 10-Q · filed 2020-07-29 | 36.56M shares derived: average of 3 quarters · filed 2021-02-24 | 36.55M shares derived: average of 4 quarters · filed 2021-02-24 | ||||
| 2019-03-31 | 36.57M shares 10-Q · filed 2020-04-29 | 36.52M shares derived: average of 2 quarters · filed 2021-02-24 | 36.52M shares derived: average of 3 quarters · filed 2021-02-24 | 36.50M shares derived: average of 4 quarters · filed 2021-02-24 | ||||
| 2018-12-31 | 36.48M shares derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-24 | 36.50M shares derived: average of 2 quarters · filed 2021-02-24 | 36.48M shares derived: average of 3 quarters · filed 2021-02-24 | 36.45M shares 10-K · filed 2021-02-24 | ||||
| 2018-09-30 | 36.52M shares 10-Q · filed 2019-10-23 | 36.48M shares derived: average of 2 quarters · filed 2019-10-23 | 36.44M shares 10-Q · filed 2019-10-23 | 36.36M shares derived: average of 4 quarters · filed 2020-02-26 | ||||
| 2018-06-30 | 36.45M shares 10-Q · filed 2019-07-24 | 36.40M shares 10-Q · filed 2019-07-24 | 36.31M shares derived: average of 3 quarters · filed 2020-02-26 | 35.43M shares derived: average of 4 quarters · filed 2020-02-26 | ||||
| 2018-03-31 | 36.35M shares 10-Q · filed 2019-04-24 | 36.24M shares derived: average of 2 quarters · filed 2020-02-26 | 35.09M shares derived: average of 3 quarters · filed 2020-02-26 | 34.51M shares derived: average of 4 quarters · filed 2020-02-26 | ||||
| 2017-12-31 | 36.12M shares derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-26 | 34.47M shares derived: average of 2 quarters · filed 2020-02-26 | 33.89M shares derived: average of 3 quarters · filed 2020-02-26 | 33.56M shares 10-K · filed 2020-02-26 | ||||
| 2017-09-30 | 32.81M shares 10-Q · filed 2018-10-24 | 32.78M shares derived: average of 2 quarters · filed 2018-10-24 | 32.70M shares 10-Q · filed 2018-10-24 | 32.65M shares derived: average of 4 quarters · filed 2019-02-28 | ||||
| 2017-06-30 | 32.74M shares 10-Q · filed 2018-07-25 | 32.65M shares 10-Q · filed 2018-07-25 | 32.59M shares derived: average of 3 quarters · filed 2019-02-28 | 32.55M shares derived: average of 4 quarters · filed 2019-02-28 | ||||
| 2017-03-31 | 32.56M shares 10-Q · filed 2018-04-25 | 32.52M shares derived: average of 2 quarters · filed 2019-02-28 | 32.49M shares derived: average of 3 quarters · filed 2019-02-28 | 32.48M shares derived: average of 4 quarters · filed 2019-02-28 | ||||
| 2016-12-31 | 32.48M shares derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-28 | 32.46M shares derived: average of 2 quarters · filed 2019-02-28 | 32.45M shares derived: average of 3 quarters · filed 2019-02-28 | 32.44M shares 10-K · filed 2019-02-28 | ||||
| 2016-09-30 | 32.44M shares 10-Q · filed 2017-10-26 | 32.44M shares derived: average of 2 quarters · filed 2017-10-26 | 32.42M shares 10-Q · filed 2017-10-26 | 32.32M shares derived: average of 4 quarters · filed 2018-02-23 | ||||
| 2016-06-30 | 32.45M shares 10-Q · filed 2017-07-27 | 32.41M shares 10-Q · filed 2017-07-27 | 32.28M shares derived: average of 3 quarters · filed 2018-02-23 | 32.20M shares derived: average of 4 quarters · filed 2018-02-23 | ||||
| 2016-03-31 | 32.38M shares 10-Q · filed 2017-04-27 | 32.19M shares derived: average of 2 quarters · filed 2018-02-23 | 32.12M shares derived: average of 3 quarters · filed 2018-02-23 | 32.09M shares derived: average of 4 quarters · filed 2018-02-23 | ||||
| 2015-12-31 | 32.00M shares derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-23 | 31.99M shares derived: average of 2 quarters · filed 2018-02-23 | 31.99M shares derived: average of 3 quarters · filed 2018-02-23 | 31.95M shares 10-K · filed 2018-02-23 | ||||
| 2015-09-30 | 31.98M shares 10-Q · filed 2016-10-27 | 31.99M shares derived: average of 2 quarters · filed 2016-10-27 | 31.93M shares 10-Q · filed 2016-10-27 | 31.99M shares derived: average of 4 quarters · filed 2017-02-24 | ||||
| 2015-06-30 | 31.99M shares 10-Q · filed 2016-07-28 | 31.91M shares 10-Q · filed 2016-07-28 | 31.99M shares derived: average of 3 quarters · filed 2017-02-24 | 32.01M shares derived: average of 4 quarters · filed 2017-02-24 | ||||
| 2015-03-31 | 31.83M shares 10-Q · filed 2016-04-28 | 32.00M shares derived: average of 2 quarters · filed 2017-02-24 | 32.02M shares derived: average of 3 quarters · filed 2017-02-24 | 31.39M shares derived: average of 4 quarters · filed 2017-02-24 | ||||
| 2014-12-31 | 32.16M shares derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-24 | 32.12M shares derived: average of 2 quarters · filed 2017-02-24 | 31.24M shares derived: average of 3 quarters · filed 2017-02-24 | 30.64M shares 10-K · filed 2017-02-24 | ||||
| 2014-09-30 | 32.08M shares 10-Q · filed 2015-10-29 | 30.78M shares derived: average of 2 quarters · filed 2015-10-29 | 30.13M shares 10-Q · filed 2015-10-29 | 29.71M shares derived: average of 4 quarters · filed 2016-02-26 | ||||
| 2014-06-30 | 29.49M shares 10-Q · filed 2015-07-30 | 29.16M shares 10-Q · filed 2015-07-30 | 28.92M shares derived: average of 3 quarters · filed 2016-02-26 | 28.78M shares derived: average of 4 quarters · filed 2016-02-26 | ||||
| 2014-03-31 | 28.84M shares 10-Q · filed 2015-04-30 | 28.64M shares derived: average of 2 quarters · filed 2016-02-26 | 28.54M shares derived: average of 3 quarters · filed 2016-02-26 | 28.45M shares derived: average of 4 quarters · filed 2016-02-26 | ||||
| 2013-12-31 | 28.44M shares derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-26 | 28.39M shares derived: average of 2 quarters · filed 2016-02-26 | 28.32M shares derived: average of 3 quarters · filed 2016-02-26 | 28.21M shares 10-K · filed 2016-02-26 | ||||
| 2013-09-30 | 28.35M shares 10-Q · filed 2014-10-30 | 28.26M shares derived: average of 2 quarters · filed 2014-10-30 | 28.14M shares 10-Q · filed 2014-10-30 | 27.92M shares derived: average of 4 quarters · filed 2015-02-26 | ||||
| 2013-06-30 | 28.17M shares 10-Q · filed 2014-07-25 | 28.03M shares 10-Q · filed 2014-07-25 | 27.77M shares derived: average of 3 quarters · filed 2015-02-26 | 27.75M shares derived: average of 4 quarters · filed 2015-02-26 | ||||
| 2013-03-31 | 27.43M shares 10-Q · filed 2014-04-24 | 27.58M shares derived: average of 2 quarters · filed 2015-02-26 | 27.61M shares derived: average of 3 quarters · filed 2015-02-26 | 27.32M shares derived: average of 4 quarters · filed 2015-02-26 | ||||
| 2012-12-31 | 27.72M shares derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-26 | 27.70M shares derived: average of 2 quarters · filed 2015-02-26 | 27.29M shares derived: average of 3 quarters · filed 2015-02-26 | 26.95M shares 10-K · filed 2015-02-26 | ||||
| 2012-09-30 | 27.67M shares 10-Q · filed 2013-10-24 | 27.07M shares derived: average of 2 quarters · filed 2013-10-24 | 26.69M shares 10-Q · filed 2013-10-24 | 26.27M shares derived: average of 4 quarters · filed 2014-02-20 | ||||
| 2012-06-30 | 26.46M shares 10-Q · filed 2013-07-24 | 25.80M shares 10-Q · filed 2013-07-24 | 25.80M shares derived: average of 3 quarters · filed 2014-02-20 | 25.68M shares derived: average of 4 quarters · filed 2014-02-20 | ||||
| 2012-03-31 | 25.53M shares 10-Q · filed 2013-04-25 | 25.46M shares derived: average of 2 quarters · filed 2014-02-20 | 25.41M shares derived: average of 3 quarters · filed 2014-02-20 | 24.67M shares derived: average of 4 quarters · filed 2014-02-20 | ||||
| 2011-12-31 | 25.40M shares derived: 10-K 12 month − 10-Q 9 month · filed 2014-02-20 | 25.36M shares derived: average of 2 quarters · filed 2014-02-20 | 24.38M shares derived: average of 3 quarters · filed 2014-02-20 | 23.53M shares 10-K · filed 2014-02-20 | ||||
| 2011-09-30 | 25.32M shares 10-Q · filed 2012-10-25 | 23.87M shares derived: average of 2 quarters · filed 2012-10-25 | 22.90M shares 10-Q · filed 2012-10-25 | 22.38M shares derived: average of 4 quarters · filed 2013-03-01 | ||||
| 2011-06-30 | 22.43M shares 10-Q · filed 2012-07-26 | 21.70M shares 10-Q · filed 2012-07-26 | 21.40M shares derived: average of 3 quarters · filed 2013-03-01 | 21.22M shares derived: average of 4 quarters · filed 2013-03-01 | ||||
| 2011-03-31 | 20.96M shares 10-Q · filed 2012-04-27 | 20.88M shares derived: average of 2 quarters · filed 2013-03-01 | 20.82M shares derived: average of 3 quarters · filed 2013-03-01 | 20.77M shares derived: average of 4 quarters · filed 2013-03-01 | ||||
| 2010-12-31 | 20.80M shares derived: 10-K 12 month − 10-Q 9 month · filed 2013-03-01 | 20.74M shares derived: average of 2 quarters · filed 2013-03-01 | 20.70M shares derived: average of 3 quarters · filed 2013-03-01 | 20.71M shares 10-K · filed 2013-03-01 | ||||
| 2010-09-30 | 20.69M shares 10-Q · filed 2011-10-27 | 20.66M shares derived: average of 2 quarters · filed 2011-10-27 | 20.68M shares 10-Q · filed 2011-10-27 | |||||
| 2010-06-30 | 20.62M shares 10-Q · filed 2011-07-28 | 20.64M shares 10-Q · filed 2011-07-28 | ||||||
| 2009-12-31 | 19.93M shares 10-K · filed 2012-02-23 |
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