Alkermes plc
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Alkermes plc (ALKS)

Historical Shares Outstanding

Current Count

166.6M

Financial Fundamentals

ALKSQuarterly Data • 5Y View

Share Count History

DateShares Out. (M)Change (M)Change %
2026-06-30166.60.4+0.25%
2026-03-31166.2-2.5-1.51%
2025-12-31168.70.2+0.14%
2025-09-30168.50.2+0.09%
2025-06-30168.4-0.4-0.23%
2025-03-31168.72.2+1.31%
2024-12-31166.6-0.5-0.28%
2024-09-30167.0-4.0-2.31%
2024-06-30171.0-2.0-1.16%
2024-03-31173.02.8+1.67%
2023-12-31170.1-1.8-1.03%
2023-09-30171.90.3+0.20%
2023-06-30171.66.5+3.92%
2023-03-31165.10.7+0.46%
2022-12-31164.30.1+0.03%
2022-09-30164.30.4+0.27%
2022-06-30163.81.4+0.83%
2022-03-31162.50.7+0.40%
2021-12-31161.80.4+0.23%
2021-09-30161.5-2.5-1.51%
2021-06-30163.94.3+2.70%
2021-03-31159.60.5+0.30%
2020-12-31159.20.1+0.06%
2020-09-30159.10.2+0.11%
2020-06-30158.90.8+0.51%
2020-03-31158.10.4+0.27%
2019-12-31157.70.5+0.29%
2019-09-30157.20.2+0.13%
2019-06-30157.00.7+0.42%
2019-03-31156.30.00.00%
2018-12-31156.31.0+0.65%
2018-09-30155.30.2+0.10%
2018-06-30155.20.8+0.49%
2018-03-31154.40.6+0.36%
2017-12-31153.90.2+0.12%
2017-09-30153.70.3+0.19%
2017-06-30153.40.7+0.45%
2017-03-31152.70.6+0.37%
2016-12-31152.10.5+0.33%
2016-09-30151.70.4+0.23%
2016-06-30151.30.5+0.32%
2016-03-31150.80.5+0.33%
2015-12-31150.30.8+0.55%
2015-09-30149.50.6+0.43%
2015-06-30148.90.8+0.53%
2015-03-31148.1-7.4-4.78%
2014-12-31155.59.6+6.60%
2014-09-30145.9-8.4-5.45%
2014-06-30154.310.9+7.63%
2014-03-31143.4-20.8-12.68%
2013-12-31164.228.1+20.62%
2013-09-30136.1-7.3-5.07%
2013-06-30143.43.1+2.24%
2013-03-31140.22.7+1.99%
2012-12-31137.56.4+4.91%
2012-09-30131.1-3.9-2.87%
2012-06-30134.90.00.00%
2012-03-31134.95.3+4.07%
2011-12-31129.727.2+26.54%
2011-09-30102.55.8+6.03%
2011-06-3096.60.00.00%
2011-03-3196.61.0+1.03%
2010-12-3195.70.2+0.16%
2010-09-3095.50.2+0.19%
2010-06-3095.30.00.00%
2010-03-3195.30.5+0.57%
2009-12-3194.8-0.1-0.11%
2009-09-3094.90.0+0.00%
2009-06-3094.90.00.00%
2009-03-3194.9-0.9-0.98%
2008-12-3195.8-1.5-1.58%
2008-09-3097.40.7+0.75%
2008-06-3096.60.00.00%
2008-03-3196.6-7.3-7.01%
2007-12-31103.9-0.4-0.38%
2007-09-30104.30.1+0.12%
2007-06-30104.20.00.00%
2007-03-31104.2-0.6-0.53%
2006-12-31104.7-0.8-0.76%
2006-09-30105.511.8+12.54%
2006-06-3093.80.00.00%
2006-03-3193.8-2.9-3.04%
2005-12-3196.70.1+0.13%
2005-09-3096.66.2+6.85%
2005-06-3090.40.00.00%
2005-03-3190.40.2+0.26%
2004-12-3190.20.1+0.12%
2004-09-3090.10.7+0.74%
2004-06-3089.4-0.0-0.00%
2004-03-3189.40.4+0.44%
2003-12-3189.04.0+4.74%
2003-09-3085.020.2+31.28%
2003-06-3064.70.00.00%
2003-03-3164.7-2.3-3.46%
2002-12-3167.12.7+4.26%
2002-09-3064.30.1+0.09%
2002-06-3064.30.00.00%
2002-03-3164.30.4+0.57%
2001-12-3163.90.5+0.78%
2001-09-3063.40.2+0.26%
2001-06-3063.20.00.00%
2001-03-3163.23.4+5.65%
2000-12-3159.90.00.00%
2000-09-3059.90.00.00%
2000-06-3059.90.00.00%
2000-03-3159.99.0+17.81%
1999-12-3150.80.4+0.78%
1999-09-3050.40.3+0.67%
1999-06-3050.10.00.00%
1999-03-3150.10.5+0.99%
1998-12-3149.60.3+0.62%
1998-09-3049.30.5+1.02%
1998-06-3048.86.6+15.68%
1998-03-3142.20.5+1.23%
1997-12-3141.70.1+0.19%
1997-09-3041.60.1+0.19%
1997-06-3041.50.00.00%
1997-03-3141.54.5+12.30%
1996-12-3137.00.1+0.34%
1996-09-3036.8