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Below is a table of the ALKS shares outstanding history going back to 2/1/2010:
Also see: ALKS Market Cap History ALKS YTD Return |
ALKS Shares Outstanding History — Alkermes Share Count Over Time
As of 4/30/2026 Alkermes has 166.68 million ALKS shares outstanding. Investors often track the ALKS shares outstanding history to compare shareholder return trends against the change in share count over time.
This page shows ALKS share count trends over time, with 67 historical shares outstanding datapoints presented, dating back to 2/1/2010.
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ALKS Historical Shares Outstanding: +3.56% CAGR 
Mouse over chart for data details
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| ALKS Stock Price Chart |
| About Alkermes plc |
| Alkermes plc is a global biopharmaceutical company that seeks to develop medicines in the field of neuroscience. Co. has a portfolio of commercial products for the treatment of alcohol dependence, opioid dependence, schizophrenia and bipolar I disorder and a pipeline of clinical and preclinical candidates in development for neurological disorders. It focuses on commercial products, such as LYBALVI, ARISTADA/ARISTADA INITIO and VIVITROL, and advancing the development of pipeline programs focused on neurological disorders. We show 67 historical shares outstanding datapoints in our coverage of ALKS's shares outstanding history. Understanding the changing numbers of ALKS shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like ALKS versus peers — is critical for investors. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies. Furthermore, via issuance of new shares over time, or the repurchase of existing shares, the number of shares outstanding can fluctuate over the course of history. With this page we aim to empower investors researching ALKS by allowing them to research ALKS shares outstanding history as well as any other stock in our coverage universe. |
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| Video: Shares Outstanding Importance | |
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Video: Shares Outstanding Importance
| ALKS Share Performance |
| Shares Outstanding Peers |
| Alkermes (ALKS) is categorized under the Healthcare sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:
ALLK Shares Outstanding History ALLO Shares Outstanding History ALLR Shares Outstanding History ALMS Shares Outstanding History ALNA Shares Outstanding History ALNY Shares Outstanding History ALOG Shares Outstanding History ALPN Shares Outstanding History ALQA Shares Outstanding History ALRN Shares Outstanding History More Healthcare companies » |
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