
Current Count
38.2M
Financial Fundamentals
ATRO • Quarterly Data • 5Y View
Share Count History
| Date | Shares Out. (M) | Change (M) | Change % |
|---|---|---|---|
| 2026-04-04 | 38.2 | -0.3 | -0.67% |
| 2025-12-31 | 38.5 | 3.1 | +8.63% |
| 2025-09-27 | 35.4 | -0.9 | -2.60% |
| 2025-06-28 | 36.4 | -6.6 | -15.34% |
| 2025-03-29 | 43.0 | 7.6 | +21.35% |
| 2024-12-31 | 35.4 | 0.4 | +1.11% |
| 2024-09-28 | 35.0 | -3.3 | -8.65% |
| 2024-06-29 | 38.3 | 3.5 | +9.93% |
| 2024-03-30 | 34.9 | -0.0 | -0.05% |
| 2023-12-31 | 34.9 | -0.1 | -0.23% |
| 2023-09-30 | 35.0 | 2.3 | +7.20% |
| 2023-07-01 | 32.6 | 0.1 | +0.34% |
| 2023-04-01 | 32.5 | 0.1 | +0.32% |
| 2022-12-31 | 32.4 | 0.2 | +0.50% |
| 2022-10-01 | 32.2 | -0.1 | -0.44% |
| 2022-07-02 | 32.4 | 0.4 | +1.41% |
| 2022-04-02 | 31.9 | -0.1 | -0.46% |
| 2021-12-31 | 32.1 | 1.1 | +3.64% |
| 2021-10-02 | 31.0 | -0.2 | -0.63% |
| 2021-07-03 | 31.2 | 0.2 | +0.80% |
| 2021-04-03 | 30.9 | 0.1 | +0.21% |
| 2020-12-31 | 30.8 | 0.1 | +0.22% |
| 2020-09-26 | 30.8 | 0.0 | +0.05% |
| 2020-06-27 | 30.8 | -0.1 | -0.19% |
| 2020-03-28 | 30.8 | -0.2 | -0.50% |
| 2019-12-31 | 31.0 | -1.6 | -4.96% |
| 2019-09-28 | 32.6 | -0.6 | -1.78% |
| 2019-06-29 | 33.2 | -0.0 | -0.12% |
| 2019-03-30 | 33.2 | -0.1 | -0.39% |
| 2018-12-31 | 33.3 | 0.4 | +1.14% |
| 2018-09-29 | 33.0 | -0.2 | -0.46% |
| 2018-06-30 | 33.1 | 0.1 | +0.33% |
| 2018-03-31 | 33.0 | 0.5 | +1.57% |
| 2017-12-31 | 32.5 | -0.8 | -2.53% |
| 2017-09-30 | 33.4 | -1.3 | -3.62% |
| 2017-07-01 | 34.6 | -0.1 | -0.31% |
| 2017-04-01 | 34.7 | 0.5 | +1.48% |
| 2016-12-31 | 34.2 | -0.1 | -0.22% |
| 2016-10-01 | 34.3 | -0.5 | -1.38% |
| 2016-07-02 | 34.8 | -0.2 | -0.44% |
| 2016-04-02 | 34.9 | 0.1 | +0.43% |
| 2015-12-31 | 34.8 | -5.1 | -12.81% |
| 2015-10-03 | 39.9 | 5.1 | +14.81% |
| 2015-07-04 | 34.7 | 0.0 | +0.13% |
| 2015-04-04 | 34.7 | 0.2 | +0.56% |
| 2014-12-31 | 34.5 | -5.2 | -13.07% |
| 2014-09-27 | 39.7 | 5.2 | +15.20% |
| 2014-06-28 | 34.4 | -0.0 | -0.06% |
| 2014-03-29 | 34.5 | 0.5 | +1.33% |
| 2013-12-31 | 34.0 | -6.3 | -15.56% |
| 2013-09-28 | 40.3 | 7.0 | +21.17% |
| 2013-06-29 | 33.2 | -0.0 | -0.03% |
| 2013-03-30 | 33.2 | 5.5 | +19.71% |
| 2012-12-31 | 27.8 | -5.3 | -15.99% |
| 2012-09-29 | 33.1 | 5.5 | +19.85% |
| 2012-06-30 | 27.6 | 0.1 | +0.19% |
| 2012-03-31 | 27.5 | 4.6 | +20.00% |
| 2011-12-31 | 22.9 | -8.3 | -26.48% |
| 2011-10-01 | 31.2 | 4.2 | +15.47% |
| 2011-07-02 | 27.0 | 0.2 | +0.64% |
| 2011-04-02 | 26.9 | 0.8 | +3.05% |
| 2010-12-31 | 26.1 | -0.1 | -0.49% |
| 2010-10-02 | 26.2 | 0.1 | +0.45% |
| 2010-07-03 | 26.1 | 0.7 | +2.95% |
| 2010-04-03 | 25.3 | 4.2 | +20.00% |
| 2009-12-31 | 21.1 | -4.4 | -17.16% |
| 2009-10-03 | 25.5 | 0.0 | +0.01% |
| 2009-07-04 | 25.5 | 0.6 | +2.43% |
| 2009-04-04 | 24.9 | 4.1 | +20.00% |
| 2008-12-31 | 20.7 | -4.0 | -16.04% |
| 2008-09-27 | 24.7 | 0.2 | +0.68% |
| 2008-06-28 | 24.5 | -0.3 | -1.16% |
| 2008-03-29 | 24.8 | 8.3 | +50.00% |
| 2007-12-31 | 16.5 | -3.3 | -16.69% |
| 2007-09-29 | 19.9 | 0.2 | +1.22% |
| 2007-06-30 | 19.6 | 0.3 | +1.29% |
| 2007-03-31 | 19.4 | 3.2 | +20.00% |
| 2006-12-31 | 16.1 | -2.9 | -15.21% |
| 2006-09-30 | 19.0 | 0.1 | +0.74% |
| 2006-07-01 | 18.9 | 0.1 | +0.44% |
| 2006-04-01 | 18.8 | 3.1 | +20.00% |
| 2005-12-31 | 15.7 | -2.6 | -14.10% |
| 2005-09-30 | 18.2 | -4.5 | -19.80% |
| 2005-06-30 | 22.7 | 4.5 | +24.68% |
| 2005-03-31 | 18.2 | 3.0 | +20.00% |
| 2004-12-31 | 15.2 | -1.4 | -8.31% |
| 2004-09-30 | 16.6 | 3.4 | +25.96% |
| 2004-06-30 | 13.2 | -4.9 | -27.06% |
| 2004-03-31 | 18.0 | 3.0 | +20.00% |
| 2003-12-31 | 15.0 | -2.1 | -12.29% |
| 2003-10-27 | 17.1 | 0.3 | +2.06% |
| 2003-06-30 | 16.8 | -1.5 | -8.18% |
| 2003-03-31 | 18.3 | 3.0 | +20.00% |
| 2002-12-31 | 15.2 | -3.2 | -17.53% |
| 2002-09-28 | 18.5 | -0.8 | -4.04% |
| 2002-06-29 | 19.3 | -0.0 | -0.01% |
| 2002-03-30 | 19.3 | 3.2 | +20.00% |
| 2001-12-31 | 16.1 | -3.5 | -17.70% |
| 2001-09-30 | 19.5 | 4.0 | +25.69% |
| 2001-06-30 | 15.5 | 0.1 | +0.34% |
| 2001-03-31 | 15.5 | 2.6 | +20.00% |
| 2000-12-31 | 12.9 | -3.7 | -22.45% |
| 2000-09-30 | 16.6 | 1.7 | +11.24% |
| 2000-07-01 | 14.9 | 2.2 | +17.13% |
| 2000-04-01 | 12.8 | 2.1 | +20.00% |
| 1999-12-31 | 10.6 | -4.3 | -28.83% |
| 1999-10-02 | 14.9 | 0.1 | +0.65% |
| 1999-07-03 | 14.8 | 1.0 | +7.14% |
| 1999-04-03 | 13.9 | 2.3 | +20.00% |
| 1998-12-31 | 11.5 | -1.3 | -10.00% |
| 1998-10-03 | 12.8 | -2.6 | -16.67% |
| 1998-07-04 | 15.4 | 1.9 | +14.29% |
| 1998-04-04 | 13.5 | 2.2 | +20.00% |
| 1997-12-31 | 11.2 | -1.8 | -13.58% |
| 1997-09-27 | 13.0 | -0.9 | -6.25% |
| 1997-06-28 | 13.9 | -1.5 | -10.00% |
| 1997-03-29 | 15.4 | 2.6 | +20.00% |
| 1996-12-31 | 12.8 | -1.9 | -12.70% |
| 1996-09-28 | 14.7 | -3.8 | -20.45% |
| 1996-06-29 | 18.5 | — | — |