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Alkermes plc

Stock

$41.75+1.21 (+2.98%)Close Oct 2, 2026

Shares outstanding, 2025
166.6M
YoY, 2025
+2.5%
5-year CAGR
+0.9%
10-year CAGR
+1.0%

Shares outstanding

Shares outstanding by fiscal year

PeriodShares outstandingYoY
2025166.6M+2.5%
2024162.6M−2.7%
2023167.1M+1.6%
2022164.4M+1.5%
2021162.0M+1.7%
2020159.2M+0.9%
2019157.8M+1.1%
2018156.0M−0.1%
2017156.1M+2.4%
2016152.5M+1.2%
2015150.7M+1.8%
2014148.1M—
2012134.4M+3.2%
2011130.2M—