
Current Count
139.4M
Financial Fundamentals
ATI • Quarterly Data • 5Y View
Share Count History
| Date | Shares Out. (M) | Change (M) | Change % |
|---|---|---|---|
| 2026-03-29 | 139.4 | 0.0 | 0.00% |
| 2025-12-28 | 139.4 | -1.6 | -1.15% |
| 2025-09-28 | 141.0 | -2.1 | -1.45% |
| 2025-06-29 | 143.1 | -1.1 | -0.76% |
| 2025-03-31 | 144.2 | -1.4 | -0.96% |
| 2024-12-31 | 145.6 | -1.2 | -0.82% |
| 2024-09-30 | 146.8 | 0.5 | +0.34% |
| 2024-06-30 | 146.3 | -1.2 | -0.81% |
| 2024-03-31 | 147.5 | -1.9 | -1.27% |
| 2023-12-31 | 149.4 | -0.8 | -0.53% |
| 2023-09-30 | 150.2 | 0.1 | +0.07% |
| 2023-06-30 | 150.1 | 0.0 | 0.00% |
| 2023-03-31 | 150.1 | -0.3 | -0.20% |
| 2022-12-31 | 150.4 | -0.4 | -0.27% |
| 2022-09-30 | 150.8 | 26.2 | +21.03% |
| 2022-06-30 | 124.6 | -28.2 | -18.46% |
| 2022-03-31 | 152.8 | 25.6 | +20.13% |
| 2021-12-31 | 127.2 | -25.4 | -16.64% |
| 2021-09-30 | 152.6 | 25.5 | +20.06% |
| 2021-06-30 | 127.1 | 0.3 | +0.24% |
| 2021-03-31 | 126.8 | 0.2 | +0.16% |
| 2020-12-31 | 126.6 | 0.0 | 0.00% |
| 2020-09-30 | 126.6 | 0.0 | 0.00% |
| 2020-06-30 | 126.6 | -19.8 | -13.52% |
| 2020-03-31 | 146.4 | -0.7 | -0.48% |
| 2019-12-31 | 147.1 | 0.4 | +0.27% |
| 2019-09-30 | 146.7 | 7.6 | +5.48% |
| 2019-06-30 | 139.1 | 13.0 | +10.29% |
| 2019-03-31 | 126.1 | -20.4 | -13.92% |
| 2018-12-31 | 146.5 | 0.5 | +0.34% |
| 2018-09-30 | 146.0 | 0.2 | +0.14% |
| 2018-06-30 | 145.8 | 0.3 | +0.21% |
| 2018-03-31 | 145.5 | 26.9 | +22.68% |
| 2017-12-31 | 118.6 | 10.9 | +10.12% |
| 2017-09-30 | 107.7 | -20.6 | -16.06% |
| 2017-06-30 | 128.3 | 0.1 | +0.08% |
| 2017-03-31 | 128.2 | 19.5 | +17.94% |
| 2016-12-31 | 108.7 | 1.4 | +1.30% |
| 2016-09-30 | 107.3 | 0.0 | 0.00% |
| 2016-06-30 | 107.3 | 0.0 | 0.00% |
| 2016-03-31 | 107.3 | 0.0 | 0.00% |
| 2015-12-31 | 107.3 | 0.0 | 0.00% |
| 2015-09-30 | 107.3 | 0.0 | 0.00% |
| 2015-06-30 | 107.3 | -0.7 | -0.65% |
| 2015-03-31 | 108.0 | 0.1 | +0.09% |
| 2014-12-31 | 107.9 | -0.1 | -0.09% |
| 2014-09-30 | 108.0 | 0.9 | +0.84% |
| 2014-06-30 | 107.1 | 0.1 | +0.09% |
| 2014-03-31 | 107.0 | 0.2 | +0.19% |
| 2013-12-31 | 106.8 | 0.0 | 0.00% |
| 2013-09-30 | 106.8 | -0.4 | -0.37% |
| 2013-06-30 | 107.2 | 0.1 | +0.09% |
| 2013-03-31 | 107.1 | -0.1 | -0.09% |
| 2012-12-31 | 107.2 | -9.5 | -8.14% |
| 2012-09-30 | 116.7 | 0.1 | +0.09% |
| 2012-06-30 | 116.6 | 0.2 | +0.17% |
| 2012-03-31 | 116.4 | 0.0 | 0.00% |
| 2011-12-31 | 116.4 | -0.1 | -0.09% |
| 2011-09-30 | 116.5 | 3.0 | +2.64% |
| 2011-06-30 | 113.5 | 4.5 | +4.13% |
| 2011-03-31 | 109.0 | 0.0 | 0.00% |
| 2010-12-31 | 109.0 | 10.4 | +10.55% |
| 2010-09-30 | 98.6 | -9.8 | -9.04% |
| 2010-06-30 | 108.4 | 9.7 | +9.83% |
| 2010-03-31 | 98.7 | 0.0 | 0.00% |
| 2009-12-31 | 98.7 | 0.7 | +0.71% |
| 2009-09-30 | 98.0 | 0.8 | +0.82% |
| 2009-06-30 | 97.2 | -0.6 | -0.61% |
| 2009-03-31 | 97.8 | 0.0 | 0.00% |
| 2008-12-31 | 97.8 | -1.9 | -1.91% |
| 2008-09-30 | 99.7 | -2.0 | -2.01% |
| 2008-06-30 | 101.7 | 0.1 | +0.14% |
| 2008-03-31 | 101.6 | 0.2 | +0.17% |
| 2007-12-31 | 101.4 | -1.7 | -1.66% |
| 2007-09-30 | 103.1 | -0.1 | -0.11% |
| 2007-06-30 | 103.3 | 0.2 | +0.22% |
| 2007-03-31 | 103.0 | 0.0 | 0.00% |
| 2006-12-31 | 103.0 | 0.3 | +0.32% |
| 2006-09-30 | 102.7 | 0.4 | +0.34% |
| 2006-06-30 | 102.3 | -0.1 | -0.06% |
| 2006-03-31 | 102.4 | -0.1 | -0.09% |
| 2005-12-31 | 102.5 | 1.0 | +0.99% |
| 2005-09-30 | 101.5 | 0.7 | +0.72% |
| 2005-06-30 | 100.8 | 0.8 | +0.77% |
| 2005-03-31 | 100.0 | 0.0 | 0.00% |
| 2004-12-31 | 100.0 | 4.4 | +4.65% |
| 2004-09-30 | 95.6 | 9.7 | +11.36% |
| 2004-06-30 | 85.8 | 5.8 | +7.26% |
| 2004-03-31 | 80.0 | 0.0 | 0.00% |
| 2003-12-31 | 80.0 | 0.0 | 0.00% |
| 2003-09-30 | 80.0 | -1.3 | -1.54% |
| 2003-06-30 | 81.3 | 1.5 | +1.94% |
| 2003-03-31 | 79.7 | 0.0 | 0.00% |
| 2002-12-31 | 79.7 | -3.6 | -4.35% |
| 2002-09-30 | 83.3 | 0.0 | 0.00% |
| 2002-06-30 | 83.3 | 4.0 | +5.11% |
| 2002-03-31 | 79.3 | 0.0 | 0.00% |
| 2001-12-31 | 79.3 | -0.7 | -0.89% |
| 2001-09-30 | 80.0 | 2.5 | +3.23% |
| 2001-06-30 | 77.5 | -2.9 | -3.61% |
| 2001-03-03 | 80.4 | 0.4 | +0.50% |
| 2000-12-31 | 80.0 | -1.0 | -1.19% |
| 2000-09-30 | 81.0 | -1.5 | -1.81% |
| 2000-06-30 | 82.5 | -5.4 | -6.17% |
| 2000-03-31 | 87.9 | 0.0 | 0.00% |
| 1999-12-31 | 87.9 | -2.5 | -2.76% |
| 1999-09-30 | 90.4 | 0.0 | 0.00% |
| 1999-06-30 | 90.4 | -6.5 | -6.69% |
| 1999-03-31 | 96.8 | 0.0 | 0.00% |
| 1998-12-31 | 96.8 | 0.0 | 0.00% |
| 1998-09-30 | 96.8 | 0.0 | 0.00% |
| 1998-06-30 | 96.8 | 9.4 | +10.73% |
| 1998-03-31 | 87.5 | 0.0 | 0.00% |
| 1997-12-31 | 87.5 | 0.0 | 0.00% |
| 1997-09-30 | 87.5 | 0.0 | 0.00% |
| 1997-06-30 | 87.5 | -0.6 | -0.66% |
| 1997-03-31 | 88.0 | 0.0 | 0.00% |
| 1996-12-31 | 88.0 | 0.0 | 0.00% |
| 1996-09-30 | 88.0 | 0.0 | 0.00% |
| 1996-06-30 | 88.0 | — | — |