American Superconductor Corporation (AMSC)

Historical Shares Outstanding

Current Count

46.7M

Financial Fundamentals

AMSC • Quarterly Data • 5Y View

Share Count History

Date	Shares Out. (M)	Change (M)	Change %
2026-03-31	46.7	1.8	+3.99%
2025-12-31	44.9	0.7	+1.65%
2025-09-30	44.2	4.5	+11.24%
2025-06-30	39.7	1.2	+3.18%
2025-03-31	38.5	0.1	+0.14%
2024-12-31	38.5	1.0	+2.57%
2024-09-30	37.5	1.8	+5.11%
2024-06-30	35.7	2.5	+7.66%
2024-03-31	33.1	4.0	+13.91%
2023-12-31	29.1	0.3	+0.92%
2023-09-30	28.8	0.6	+2.02%
2023-06-30	28.3	0.2	+0.89%
2023-03-31	28.0	0.1	+0.20%
2022-12-31	28.0	0.1	+0.31%
2022-09-30	27.9	0.3	+1.11%
2022-06-30	27.6	0.2	+0.65%
2022-03-31	27.4	0.0	+0.11%
2021-12-31	27.4	0.1	+0.37%
2021-09-30	27.3	0.4	+1.59%
2021-06-30	26.8	0.0	0.00%
2021-03-31	26.8	1.4	+5.32%
2020-12-31	25.5	3.6	+16.51%
2020-09-30	21.9	0.2	+0.79%
2020-06-30	21.7	0.1	+0.50%
2020-03-31	21.6	0.4	+1.78%
2019-12-31	21.2	0.5	+2.32%
2019-09-30	20.7	0.2	+1.02%
2019-06-30	20.5	0.1	+0.35%
2019-03-31	20.4	-0.4	-2.02%
2018-12-31	20.9	0.3	+1.38%
2018-09-30	20.6	0.4	+2.05%
2018-06-30	20.2	0.1	+0.61%
2018-03-31	20.0	0.1	+0.48%
2017-12-31	19.9	0.9	+4.66%
2017-09-30	19.1	2.3	+13.60%
2017-06-30	16.8	0.0	0.00%
2017-03-31	16.8	3.0	+21.65%
2016-12-31	13.8	0.0	+0.17%
2016-09-30	13.8	0.1	+0.68%
2016-06-30	13.7	0.1	+0.86%
2016-03-31	13.6	0.0	+0.15%
2015-12-31	13.5	-0.1	-0.41%
2015-09-30	13.6	1.5	+12.25%
2015-06-30	12.1	0.0	0.00%
2015-03-31	12.1	3.3	+38.18%
2014-12-31	8.8	0.6	+7.58%
2014-09-30	8.1	0.4	+4.87%
2014-06-30	7.8	0.0	+0.00%
2014-03-31	7.8	1.5	+24.68%
2013-12-31	6.2	0.1	+1.95%
2013-09-30	6.1	0.3	+4.83%
2013-06-30	5.8	0.2	+3.05%
2013-03-31	5.7	0.4	+7.17%
2012-12-31	5.3	0.1	+1.70%
2012-09-30	5.2	0.1	+1.40%
2012-06-30	5.1	0.0	0.00%
2012-03-31	5.1	0.0	+0.51%
2011-12-31	5.1	0.0	+0.11%
2011-09-30	5.1	0.0	+0.33%
2011-06-30	5.1	0.0	0.00%
2011-03-31	5.1	0.2	+3.45%
2010-12-31	4.9	0.3	+6.06%
2010-09-30	4.6	0.0	+0.51%
2010-06-30	4.6	0.0	0.00%
2010-03-31	4.6	0.0	+0.92%
2009-12-31	4.6	0.0	+0.74%
2009-09-30	4.5	0.1	+1.57%
2009-06-30	4.5	0.0	0.00%
2009-03-31	4.5	0.2	+3.51%
2008-12-31	4.3	0.0	+0.65%
2008-09-30	4.3	0.1	+2.54%
2008-06-30	4.2	0.0	0.00%
2008-03-31	4.2	0.1	+1.97%
2007-12-31	4.1	0.2	+4.27%
2007-09-30	3.9	0.4	+11.17%
2007-06-30	3.5	0.0	0.00%
2007-03-31	3.5	0.2	+6.98%
2006-12-31	3.3	0.0	+0.21%
2006-09-30	3.3	0.0	+0.28%
2006-06-30	3.3	0.0	+0.00%
2006-03-31	3.3	0.0	+0.65%
2005-12-31	3.3	-0.0	-0.53%
2005-09-30	3.3	0.0	+0.11%
2005-06-30	3.3	0.0	0.00%
2005-03-31	3.3	0.5	+17.45%
2004-12-31	2.8	0.0	+0.39%
2004-09-30	2.8	0.0	+0.13%
2004-06-30	2.8	0.0	0.00%
2004-03-31	2.8	0.1	+4.33%
2003-12-31	2.7	0.5	+24.29%
2003-09-30	2.1	0.0	+0.18%
2003-06-30	2.1	0.0	0.00%
2003-03-31	2.1	0.0	+1.64%
2002-12-31	2.1	0.0	+2.08%
2002-09-30	2.1	0.0	+0.18%
2002-06-30	2.1	0.0	0.00%
2002-03-31	2.1	0.0	+0.39%
2001-12-31	2.0	0.0	+0.39%
2001-09-30	2.0	0.0	+0.22%
2001-06-30	2.0	0.0	0.00%
2001-03-31	2.0	0.0	+0.59%
2000-12-31	2.0	0.0	+0.30%
2000-09-30	2.0	0.0	+1.34%
2000-06-30	2.0	0.0	0.00%
2000-03-31	2.0	0.4	+27.85%
1999-12-31	1.6	0.0	+0.70%
1999-09-30	1.5	0.0	+0.35%
1999-06-30	1.5	0.0	0.00%
1999-03-31	1.5	0.0	+0.17%
1998-12-31	1.5	0.0	+0.23%
1998-09-30	1.5	0.1	+6.10%
1998-06-30	1.4	0.0	0.00%
1998-03-31	1.4	0.3	+23.56%
1997-12-31	1.2	0.0	+0.41%
1997-09-30	1.2	0.0	+0.67%
1997-06-30	1.2	0.0	0.00%
1997-03-31	1.2	0.1	+10.17%
1996-12-31	1.1	0.0	+0.05%
1996-09-30	1.0	0.0	+0.04%
1996-06-30	1.0	—	—