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Alkermes is a biopharmaceutical company. Co. has a portfolio of marketed products focused on central nervous system disorders such as addiction and schizophrenia and a pipeline of product candidates in the fields of neuroscience and oncology. Co.'s proprietary products include: ARISTADA, which is an extended-release intramuscular injectable suspension approved in the U.S. for the treatment of schizophrenia; ARISTADA INITIO, which is indicated for the initiation of ARISTADA when used for the treatment of schizophrenia in adults; and VIVITROL, which is for the treatment of alcohol dependence and for the prevention of relapse to opioid dependence, following opioid detoxification. According to our ALKS split history records, Alkermes has had 1 split.
ALKS split history picture
Alkermes (ALKS) has 1 split in our ALKS split history database. The split for ALKS took place on May 15, 2000. This was a 2 for 1 split, meaning for each share of ALKS owned pre-split, the shareholder now owned 2 shares. For example, a 1000 share position pre-split, became a 2000 share position following the split.

When a company such as Alkermes splits its shares, the market capitalization before and after the split takes place remains stable, meaning the shareholder now owns more shares but each are valued at a lower price per share. Often, however, a lower priced stock on a per-share basis can attract a wider range of buyers. If that increased demand causes the share price to appreciate, then the total market capitalization rises post-split. This does not always happen, however, often depending on the underlying fundamentals of the business.

Looking at the ALKS split history from start to finish, an original position size of 1000 shares would have turned into 2000 today. Below, we examine the compound annual growth rate — CAGR for short — of an investment into Alkermes shares, starting with a $10,000 purchase of ALKS, presented on a split-history-adjusted basis factoring in the complete ALKS split history. ALKS split adjusted history picture

Growth of $10,000.00
Without Dividends Reinvested

Start date: 12/10/2012
End date: 12/06/2022
Start price/share: $19.00
End price/share: $25.00
Dividends collected/share: $0.00
Total return: 31.58%
Average Annual Total Return: 2.78%
Starting investment: $10,000.00
Ending investment: $13,152.88
Years: 9.99
Date Ratio
05/15/20002 for 1
ALKS is categorized under the Healthcare sector; below are some other companies in the same sector that also have a history of stock splits:

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ALR Split History
ALRN Split History
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ALVR Split History
ALXA Split History
ALXN Split History
AMDA Split History
AMED Split History

Also explore: ALKS shares outstanding history

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