Split History
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Alexion Pharmaceuticals is a biopharmaceutical company focused on serving patients with ultra-rare disorders via the development and commercialization of therapeutic products. Co.'s product, Soliris® is a therapeutic approved for patients with paroxysmal nocturnal hemoglobinuria, a blood disorder, or atypical hemolytic uremic syndrome, a genetic disease. In addition, Co.'s Strensiq® is for the treatment of Hypophosphatasia (HPP) and its Kanuma® is for the treatment of Lysosomal Acid Lipase Deficiency (LAL-D). HPP is a genetic disease characterized by defective bone mineralization. LAL-D is a disease in which genetic mutations result in decreased activity of the Lysosomal Acid Lipase enzyme. According to our ALXN split history records, Alexion Pharmaceuticals has had 2 splits.
ALXN split history picture
Alexion Pharmaceuticals (ALXN) has 2 splits in our ALXN split history database. The first split for ALXN took place on August 25, 2008. This was a 2 for 1 split, meaning for each share of ALXN 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. ALXN's second split took place on May 23, 2011. This was a 2 for 1 split, meaning for each share of ALXN owned pre-split, the shareholder now owned 2 shares. For example, a 2000 share position pre-split, became a 4000 share position following the split.

When a company such as Alexion Pharmaceuticals 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 ALXN split history from start to finish, an original position size of 1000 shares would have turned into 4000 today. Below, we examine the compound annual growth rate — CAGR for short — of an investment into Alexion Pharmaceuticals shares, starting with a $10,000 purchase of ALXN, presented on a split-history-adjusted basis factoring in the complete ALXN split history. ALXN split adjusted history picture

Growth of $10,000.00
Without Dividends Reinvested

Start date: 06/23/2008
End date: 06/21/2018
Start price/share: $17.28
End price/share: $125.81
Dividends collected/share: $0.00
Total return: 628.07%
Average Annual Total Return: 21.96%
Starting investment: $10,000.00
Ending investment: $72,807.17
Years: 10.00
Date Ratio
08/25/20082 for 1
05/23/20112 for 1
ALXN 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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