ATI Inc. Basic Shares Outstanding (Weighted Average)
ATI Inc. (ATI) reported Basic Shares Outstanding (Weighted Average) of 136.30 million shares for the 3-month period ending 2026-06-28, per its 10-Q filed 2026-08-06.
Financial Statements › Income Statement › Earnings Per Share
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic · last filed 2026-08-06
- ATI Inc. weighted average number of shares outstanding, basic for the quarter ending 2026-06-28 was 136.30M shares, a 2.50% decline year-over-year.
- ATI Inc. weighted average number of shares outstanding, basic for the quarter ending 2026-03-29 was 136.70M shares, a 3.53% decline year-over-year.
- ATI Inc. weighted average number of shares outstanding, basic for the quarter ending 2025-12-28 was 135.90M shares, a 4.36% decline year-over-year.
- ATI Inc. weighted average number of shares outstanding, basic for the quarter ending 2025-09-28 was 137.00M shares, a 6.45% increase year-over-year.
- ATI Inc. weighted average number of shares outstanding, basic for fiscal 2025 was 138.60M shares, a 6.29% increase from fiscal 2024.
- ATI Inc. weighted average number of shares outstanding, basic for fiscal 2024 was 130.40M shares, a 1.80% increase from fiscal 2023.
- ATI Inc. weighted average number of shares outstanding, basic for fiscal 2023 was 128.10M shares, a 0.47% increase from fiscal 2023.
- ATI Inc. weighted average number of shares outstanding, basic for fiscal 2023 was 127.50M shares.
| Period end | Weighted Average Number of Shares Outstanding, Basic 3 month | Weighted Average Number of Shares Outstanding, Basic 3 month as first filed | Weighted Average Number of Shares Outstanding, Basic 6 month | Weighted Average Number of Shares Outstanding, Basic 9 month | Weighted Average Number of Shares Outstanding, Basic 12 month | Weighted Average Number of Shares Outstanding, Basic 12 month as first filed |
|---|---|---|---|---|---|---|
| 2026-06-28 | 136.30M shares 10-Q · filed 2026-08-06 | 136.50M shares 10-Q · filed 2026-08-06 | 136.30M shares derived: average of 3 quarters · filed 2026-08-06 | 136.47M shares derived: average of 4 quarters · filed 2026-08-06 | ||
| 2026-03-29 | 136.70M shares 10-Q · filed 2026-04-30 | 136.30M shares derived: average of 2 quarters · filed 2026-04-30 | 136.53M shares derived: average of 3 quarters · filed 2026-04-30 | 137.35M shares derived: average of 4 quarters · filed 2026-08-06 | ||
| 2025-12-28 | 135.90M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-20 | 136.45M shares derived: average of 2 quarters · filed 2026-02-20 | 137.57M shares derived: average of 3 quarters · filed 2026-08-06 | 138.60M shares 10-K · filed 2026-02-20 | ||
| 2025-09-28 | 137.00M shares 10-Q · filed 2025-10-28 | 138.40M shares derived: average of 2 quarters · filed 2026-08-06 | 139.50M shares 10-Q · filed 2025-10-28 | 140.15M shares derived: average of 4 quarters · filed 2026-08-06 | ||
| 2025-06-29 | 139.80M shares 10-Q · filed 2026-08-06 | 140.70M shares 10-Q · filed 2025-07-31 | 141.20M shares derived: average of 3 quarters · filed 2026-08-06 | 138.07M shares derived: average of 4 quarters · filed 2026-08-06 | ||
| 2025-03-30 | 141.70M shares 10-Q · filed 2026-04-30 | 141.90M shares derived: average of 2 quarters · filed 2026-04-30 | 137.50M shares derived: average of 3 quarters · filed 2026-04-30 | 134.22M shares derived: average of 4 quarters · filed 2026-04-30 | ||
| 2024-12-29 | 142.10M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-20 | 135.40M shares derived: average of 2 quarters · filed 2026-02-20 | 131.73M shares derived: average of 3 quarters · filed 2026-02-20 | 130.40M shares 10-K · filed 2026-02-20 | ||
| 2024-09-29 | 128.70M shares 10-Q · filed 2025-10-28 | 126.55M shares derived: average of 2 quarters · filed 2025-10-28 | 126.50M shares 10-Q · filed 2025-10-28 | 126.63M shares derived: average of 4 quarters · filed 2026-02-20 | ||
| 2024-06-30 | 124.40M shares 10-Q · filed 2025-07-31 | 125.30M shares 10-Q · filed 2025-07-31 | 125.93M shares derived: average of 3 quarters · filed 2026-02-20 | 126.47M shares derived: average of 4 quarters · filed 2026-02-20 | ||
| 2024-03-31 | 126.20M shares 10-Q · filed 2025-05-01 | 126.70M shares derived: average of 2 quarters · filed 2026-02-20 | 127.17M shares derived: average of 3 quarters · filed 2026-02-20 | |||
| 2023-12-31 | 127.20M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-20 | 127.65M shares derived: average of 2 quarters · filed 2026-02-20 | 128.10M shares 10-K · filed 2026-02-20 | |||
| 2023-10-01 | 128.10M shares 10-Q · filed 2024-10-29 | 128.40M shares 10-Q · filed 2024-10-29 | ||||
| 2023-09-30 | 128.10M shares 10-Q · filed 2023-11-02 | 128.30M shares derived: average of 2 quarters · filed 2024-08-06 | 128.40M shares 10-Q · filed 2023-11-02 | |||
| 2023-07-02 | 128.50M shares 10-Q · filed 2024-08-06 | 128.50M shares 10-Q · filed 2024-08-06 | ||||
| 2023-06-30 | 128.50M shares 10-Q · filed 2023-08-02 | 128.50M shares 10-Q · filed 2023-08-02 | ||||
| 2023-04-02 | 128.50M shares 10-Q · filed 2024-04-30 | |||||
| 2023-03-31 | 128.50M shares 10-Q · filed 2023-05-04 | 128.90M shares derived: average of 2 quarters · filed 2023-05-04 | 129.20M shares derived: average of 3 quarters · filed 2023-11-02 | 128.05M shares derived: average of 4 quarters · filed 2023-11-02 | ||
| 2023-01-01 | 127.50M shares 10-K · filed 2025-02-21 | |||||
| 2022-12-31 | 129.30M shares derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-24 | 129.55M shares derived: average of 2 quarters · filed 2023-11-02 | 127.90M shares derived: average of 3 quarters · filed 2023-11-02 | 127.50M shares 10-K · filed 2023-02-24 | ||
| 2022-09-30 | 129.80M shares 10-Q · filed 2023-11-02 | 127.20M shares derived: average of 2 quarters · filed 2023-11-02 | 126.90M shares 10-Q · filed 2023-11-02 | 127.05M shares derived: average of 4 quarters · filed 2023-11-02 | ||
| 2022-06-30 | 124.60M shares 10-Q · filed 2023-08-02 | 125.50M shares 10-Q · filed 2023-08-02 | 126.13M shares derived: average of 3 quarters · filed 2023-08-02 | 126.40M shares derived: average of 4 quarters · filed 2023-08-02 | ||
| 2022-03-31 | 126.40M shares 10-Q · filed 2023-05-04 | 126.90M shares derived: average of 2 quarters · filed 2023-05-04 | 127.00M shares derived: average of 3 quarters · filed 2023-05-04 | 127.03M shares derived: average of 4 quarters · filed 2023-05-04 | ||
| 2022-01-02 | 127.10M shares 10-K · filed 2024-02-23 | |||||
| 2021-12-31 | 127.40M shares derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-24 | 127.30M shares derived: average of 2 quarters · filed 2023-02-24 | 127.23M shares derived: average of 3 quarters · filed 2023-02-24 | 127.10M shares 10-K · filed 2023-02-24 | ||
| 2021-09-30 | 127.20M shares 10-Q · filed 2022-11-03 | 127.15M shares derived: average of 2 quarters · filed 2022-11-03 | 127.00M shares 10-Q · filed 2022-11-03 | 126.97M shares derived: average of 4 quarters · filed 2022-11-03 | ||
| 2021-06-30 | 127.10M shares 10-Q · filed 2022-08-04 | 127.00M shares 10-Q · filed 2022-08-04 | 126.90M shares derived: average of 3 quarters · filed 2022-08-04 | 126.83M shares derived: average of 4 quarters · filed 2022-08-04 | ||
| 2021-03-31 | 126.80M shares 10-Q · filed 2022-05-04 | 126.80M shares derived: average of 2 quarters · filed 2022-05-04 | 126.73M shares derived: average of 3 quarters · filed 2022-05-04 | 126.70M shares derived: average of 4 quarters · filed 2022-05-04 | ||
| 2020-12-31 | 126.80M shares 10-K · filed 2021-02-26 | 126.70M shares derived: average of 2 quarters · filed 2021-11-02 | 126.67M shares derived: average of 3 quarters · filed 2021-11-02 | 126.50M shares 10-K · filed 2023-02-24 | ||
| 2020-09-30 | 126.60M shares 10-Q · filed 2021-11-02 | 126.60M shares derived: average of 2 quarters · filed 2021-11-02 | 126.50M shares 10-Q · filed 2021-11-02 | 126.35M shares derived: average of 4 quarters · filed 2021-11-02 | ||
| 2020-06-30 | 126.60M shares 10-Q · filed 2021-08-03 | 126.40M shares 10-Q · filed 2021-08-03 | 126.27M shares derived: average of 3 quarters · filed 2021-08-03 | 126.22M shares derived: average of 4 quarters · filed 2021-08-03 | ||
| 2020-03-31 | 126.10M shares 10-Q · filed 2021-04-29 | 126.10M shares derived: average of 2 quarters · filed 2021-04-29 | 126.10M shares derived: average of 3 quarters · filed 2021-04-29 | 126.10M shares derived: average of 4 quarters · filed 2021-04-29 | ||
| 2019-12-31 | 126.10M shares 10-K · filed 2021-02-26 | 126.10M shares derived: average of 2 quarters · filed 2021-02-26 | 126.10M shares derived: average of 3 quarters · filed 2021-02-26 | 125.80M shares 10-K · filed 2022-02-25 | ||
| 2019-09-30 | 126.10M shares 10-K · filed 2021-02-26 | 125.90M shares 10-Q · filed 2019-11-01 | 126.10M shares derived: average of 2 quarters · filed 2021-02-26 | 125.70M shares 10-Q · filed 2020-10-29 | 125.92M shares derived: average of 4 quarters · filed 2021-02-26 | |
| 2019-06-30 | 126.10M shares 10-K · filed 2021-02-26 | 125.90M shares 10-Q · filed 2019-08-06 | 125.70M shares 10-Q · filed 2020-08-04 | 125.87M shares derived: average of 3 quarters · filed 2021-02-26 | 125.83M shares derived: average of 4 quarters · filed 2021-02-26 | |
| 2019-03-31 | 125.80M shares 10-K · filed 2021-02-26 | 125.40M shares 10-Q · filed 2019-04-30 | 125.75M shares derived: average of 2 quarters · filed 2021-02-26 | 125.73M shares derived: average of 3 quarters · filed 2021-02-26 | 125.72M shares derived: average of 4 quarters · filed 2021-02-26 | |
| 2018-12-31 | 125.70M shares 8-K · filed 2020-05-22 | 125.70M shares derived: average of 2 quarters · filed 2020-05-22 | 125.70M shares derived: average of 3 quarters · filed 2020-05-22 | 125.20M shares 10-K · filed 2021-02-26 | ||
| 2018-09-30 | 125.70M shares 8-K · filed 2020-05-22 | 125.20M shares 10-Q · filed 2018-10-31 | 125.70M shares derived: average of 2 quarters · filed 2020-05-22 | 125.10M shares 10-Q · filed 2019-11-01 | 123.92M shares derived: average of 4 quarters · filed 2020-05-22 | |
| 2018-06-30 | 125.70M shares 8-K · filed 2020-05-22 | 125.20M shares 10-Q · filed 2018-08-07 | 125.10M shares 10-Q · filed 2019-08-06 | 123.33M shares derived: average of 3 quarters · filed 2020-05-22 | 119.72M shares derived: average of 4 quarters · filed 2020-05-22 | |
| 2018-03-31 | 125.70M shares 8-K · filed 2020-05-22 | 125.00M shares 10-Q · filed 2018-05-01 | 122.15M shares derived: average of 2 quarters · filed 2020-05-22 | 117.73M shares derived: average of 3 quarters · filed 2020-05-22 | 115.53M shares derived: average of 4 quarters · filed 2020-05-22 | |
| 2017-12-31 | 118.60M shares 10-K · filed 2019-02-28 | 113.75M shares derived: average of 2 quarters · filed 2019-02-28 | 112.13M shares derived: average of 3 quarters · filed 2019-02-28 | 110.10M shares 8-K · filed 2020-05-22 | ||
| 2017-09-30 | 108.90M shares 10-K · filed 2019-02-28 | 107.70M shares 10-Q · filed 2017-11-01 | 108.90M shares derived: average of 2 quarters · filed 2019-02-28 | 107.70M shares 10-Q · filed 2018-10-31 | 108.88M shares derived: average of 4 quarters · filed 2019-02-28 | |
| 2017-06-30 | 108.90M shares 10-K · filed 2019-02-28 | 107.70M shares 10-Q · filed 2017-08-02 | 107.60M shares 10-Q · filed 2018-08-07 | 108.87M shares derived: average of 3 quarters · filed 2019-02-28 | 108.88M shares derived: average of 4 quarters · filed 2019-02-28 | |
| 2017-03-31 | 108.80M shares 10-K · filed 2019-02-28 | 107.50M shares 10-Q · filed 2017-05-02 | 108.85M shares derived: average of 2 quarters · filed 2019-02-28 | 108.87M shares derived: average of 3 quarters · filed 2019-02-28 | 108.88M shares derived: average of 4 quarters · filed 2019-02-28 | |
| 2016-12-31 | 108.90M shares 10-K · filed 2018-02-20 | 108.90M shares derived: average of 2 quarters · filed 2018-02-20 | 108.90M shares derived: average of 3 quarters · filed 2018-02-20 | 107.30M shares 10-K · filed 2019-02-28 | ||
| 2016-09-30 | 108.90M shares 10-K · filed 2018-02-20 | 107.30M shares 10-Q · filed 2016-11-02 | 108.90M shares derived: average of 2 quarters · filed 2018-02-20 | 107.30M shares 10-Q · filed 2017-11-01 | 109.00M shares derived: average of 4 quarters · filed 2018-02-20 | |
| 2016-06-30 | 108.90M shares 10-K · filed 2018-02-20 | 107.30M shares 10-Q · filed 2016-08-03 | 107.30M shares 10-Q · filed 2017-08-02 | 109.03M shares derived: average of 3 quarters · filed 2018-02-20 | 109.08M shares derived: average of 4 quarters · filed 2018-02-20 | |
| 2016-03-31 | 109.00M shares 10-K · filed 2018-02-20 | 107.30M shares 10-Q · filed 2016-05-06 | 109.10M shares derived: average of 2 quarters · filed 2018-02-20 | 109.13M shares derived: average of 3 quarters · filed 2018-02-20 | 109.15M shares derived: average of 4 quarters · filed 2018-02-20 | |
| 2015-12-31 | 109.20M shares 10-K · filed 2017-02-24 | 109.17M shares 10-K · filed 2016-02-26 | 109.20M shares derived: average of 2 quarters · filed 2017-02-24 | 109.20M shares derived: average of 3 quarters · filed 2017-02-24 | 107.30M shares 10-K · filed 2018-02-20 | |
| 2015-09-30 | 109.20M shares 10-K · filed 2017-02-24 | 107.30M shares 10-Q · filed 2015-10-29 | 109.20M shares derived: average of 2 quarters · filed 2017-02-24 | 107.30M shares 10-Q · filed 2016-11-02 | 109.00M shares derived: average of 4 quarters · filed 2017-02-24 | |
| 2015-06-30 | 109.20M shares 10-K · filed 2017-02-24 | 107.30M shares 10-Q · filed 2015-07-30 | 107.20M shares 10-Q · filed 2016-08-03 | 108.93M shares derived: average of 3 quarters · filed 2017-02-24 | 108.88M shares derived: average of 4 quarters · filed 2017-02-24 | |
| 2015-03-31 | 108.90M shares 10-K · filed 2017-02-24 | 107.20M shares 10-Q · filed 2015-05-04 | 108.80M shares derived: average of 2 quarters · filed 2017-02-24 | 108.77M shares derived: average of 3 quarters · filed 2017-02-24 | 108.74M shares derived: average of 4 quarters · filed 2017-02-24 | |
| 2014-12-31 | 108.70M shares 10-K · filed 2016-02-26 | 108.71M shares derived: average of 2 quarters · filed 2016-02-26 | 108.68M shares derived: average of 3 quarters · filed 2016-02-26 | 107.10M shares 10-K · filed 2017-02-24 | ||
| 2014-09-30 | 108.71M shares 10-K · filed 2016-02-26 | 107.20M shares 10-Q · filed 2014-10-31 | 108.67M shares derived: average of 2 quarters · filed 2016-02-26 | 107.10M shares 10-Q · filed 2015-10-29 | 108.37M shares derived: average of 4 quarters · filed 2016-02-26 | |
| 2014-06-30 | 108.63M shares 10-K · filed 2016-02-26 | 107.10M shares 10-Q · filed 2014-08-04 | 107.00M shares 10-Q · filed 2015-07-30 | 108.26M shares derived: average of 3 quarters · filed 2016-02-26 | 108.20M shares derived: average of 4 quarters · filed 2016-02-26 | |
| 2014-03-31 | 108.17M shares 10-K · filed 2016-02-26 | 107.00M shares 10-Q · filed 2014-05-05 | 108.08M shares derived: average of 2 quarters · filed 2016-02-26 | 108.05M shares derived: average of 3 quarters · filed 2016-02-26 | 108.04M shares derived: average of 4 quarters · filed 2016-02-26 | |
| 2013-12-31 | 107.98M shares 10-K · filed 2015-02-26 | 107.99M shares derived: average of 2 quarters · filed 2015-02-26 | 107.99M shares derived: average of 3 quarters · filed 2015-02-26 | 106.80M shares 10-K · filed 2016-02-26 | ||
| 2013-09-30 | 108.00M shares 10-K · filed 2015-02-26 | 106.80M shares 10-Q · filed 2013-11-01 | 107.99M shares derived: average of 2 quarters · filed 2015-02-26 | 106.70M shares 10-Q · filed 2014-10-31 | 107.73M shares derived: average of 4 quarters · filed 2015-02-26 | |
| 2013-06-30 | 107.98M shares 10-K · filed 2015-02-26 | 106.80M shares 10-Q · filed 2013-08-05 | 106.70M shares 10-Q · filed 2014-08-04 | 107.64M shares derived: average of 3 quarters · filed 2015-02-26 | 107.53M shares derived: average of 4 quarters · filed 2015-02-26 | |
| 2013-03-31 | 107.61M shares 10-K · filed 2015-02-26 | 106.60M shares 10-Q · filed 2013-05-06 | 107.47M shares derived: average of 2 quarters · filed 2015-02-26 | 107.37M shares derived: average of 3 quarters · filed 2015-02-26 | 107.31M shares derived: average of 4 quarters · filed 2015-02-26 | |
| 2012-12-31 | 107.32M shares 10-K · filed 2014-02-27 | 107.25M shares derived: average of 2 quarters · filed 2014-02-27 | 107.21M shares derived: average of 3 quarters · filed 2014-02-27 | 106.10M shares 10-K · filed 2015-02-26 | ||
| 2012-09-30 | 107.19M shares 10-K · filed 2014-02-27 | 106.20M shares 10-Q · filed 2012-11-02 | 107.16M shares derived: average of 2 quarters · filed 2014-02-27 | 106.10M shares 10-Q · filed 2013-11-01 | 106.85M shares derived: average of 4 quarters · filed 2014-02-27 | |
| 2012-06-30 | 107.13M shares 10-K · filed 2014-02-27 | 106.10M shares 10-Q · filed 2012-08-03 | 106.00M shares 10-Q · filed 2013-08-05 | 106.74M shares derived: average of 3 quarters · filed 2014-02-27 | 106.64M shares derived: average of 4 quarters · filed 2014-02-27 | |
| 2012-03-31 | 106.75M shares 10-K · filed 2014-02-27 | 105.90M shares 10-Q · filed 2012-05-04 | 106.55M shares derived: average of 2 quarters · filed 2014-02-27 | 106.48M shares derived: average of 3 quarters · filed 2014-02-27 | 105.71M shares derived: average of 4 quarters · filed 2014-02-27 | |
| 2011-12-31 | 106.36M shares 10-K · filed 2013-02-28 | 106.35M shares derived: average of 2 quarters · filed 2013-02-28 | 105.37M shares derived: average of 3 quarters · filed 2013-02-28 | 102.50M shares 10-K · filed 2014-02-27 | ||
| 2011-09-30 | 106.34M shares 10-K · filed 2013-02-28 | 105.10M shares 10-Q · filed 2011-11-04 | 104.87M shares derived: average of 2 quarters · filed 2013-02-28 | 101.60M shares 10-Q · filed 2012-11-02 | 101.78M shares derived: average of 4 quarters · filed 2013-02-28 | |
| 2011-06-30 | 103.41M shares 10-K · filed 2013-02-28 | 102.10M shares 10-Q · filed 2011-08-04 | 99.80M shares 10-Q · filed 2012-08-03 | 100.26M shares derived: average of 3 quarters · filed 2013-02-28 | 99.84M shares derived: average of 4 quarters · filed 2013-02-28 | |
| 2011-03-31 | 98.77M shares 10-K · filed 2013-02-28 | 97.60M shares 10-Q · filed 2011-05-05 | 98.68M shares derived: average of 2 quarters · filed 2013-02-28 | 98.65M shares derived: average of 3 quarters · filed 2013-02-28 | 98.63M shares derived: average of 4 quarters · filed 2013-02-28 | |
| 2010-12-31 | 98.59M shares 10-K · filed 2012-02-27 | 98.58M shares derived: average of 2 quarters · filed 2012-02-27 | 98.58M shares derived: average of 3 quarters · filed 2012-02-27 | 97.40M shares 10-K · filed 2013-02-28 | 97.45M shares 10-K · filed 2011-02-28 | |
| 2010-09-30 | 98.58M shares 10-K · filed 2012-02-27 | 97.50M shares 10-Q · filed 2010-11-03 | 98.57M shares derived: average of 2 quarters · filed 2012-02-27 | 97.40M shares 10-Q · filed 2011-11-04 | 98.38M shares derived: average of 4 quarters · filed 2012-02-27 | |
| 2010-06-30 | 98.56M shares 10-K · filed 2012-02-27 | 97.50M shares 10-Q · filed 2010-08-05 | 97.40M shares 10-Q · filed 2011-08-04 | 98.32M shares derived: average of 3 quarters · filed 2012-02-27 | 98.26M shares derived: average of 4 quarters · filed 2012-02-27 | |
| 2010-03-31 | 98.32M shares 10-K · filed 2012-02-27 | 98.20M shares derived: average of 2 quarters · filed 2012-02-27 | 98.16M shares derived: average of 3 quarters · filed 2012-02-27 | 98.13M shares derived: average of 4 quarters · filed 2012-02-27 | ||
| 2009-12-31 | 98.08M shares 10-K · filed 2011-02-28 | 98.07M shares derived: average of 2 quarters · filed 2011-02-28 | 98.06M shares derived: average of 3 quarters · filed 2011-02-28 | 97.20M shares 10-K · filed 2012-02-27 | 97.21M shares 10-K · filed 2011-02-28 | |
| 2009-09-30 | 98.07M shares 10-K · filed 2011-02-28 | 97.20M shares 10-Q · filed 2010-11-03 | 98.05M shares derived: average of 2 quarters · filed 2011-02-28 | 97.20M shares 10-Q · filed 2010-11-03 | ||
| 2009-06-30 | 98.03M shares 10-K · filed 2011-02-28 | 97.20M shares 10-Q · filed 2010-08-05 | 97.20M shares 10-Q · filed 2010-08-05 | |||
| 2009-03-31 | 97.60M shares 10-K · filed 2011-02-28 | |||||
| 2008-12-31 | 99.13M shares 10-K · filed 2011-02-28 |
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