ALXN Shares Outstanding History
Below is a table of the ALXN shares outstanding history going back to 2/16/2010:

Date ALXN Shares Outstanding
2/16/2010178.27M
4/28/2010179.17M
7/27/2010180.26M
10/26/2010180.98M
2/11/2011182.62M
4/28/2011183.84M
5/23/2011183.84M
10/26/2011185.15M
2/11/2012185.99M
4/20/2012186.92M
7/24/2012193.06M
10/23/2012194.29M
2/11/2013195.21M
4/23/2013195.15M
7/23/2013195.56M
10/23/2013196.07M
2/3/2014197.83M
4/23/2014197.80M
7/23/2014197.81M
10/22/2014198.29M
2/4/2015202.15M
4/21/2015199.58M
7/29/2015226.15M
10/28/2015225.32M
2/3/2016225.29M
4/26/2016224.02M
7/27/2016224.25M
12/29/2016223.93M
2/13/2017224.61M
4/24/2017224.56M
7/24/2017223.19M
10/23/2017223.41M
2/5/2018221.68M
4/23/2018222.50M
7/23/2018222.86M
10/22/2018223.10M
1/31/2019223.47M
4/23/2019224.24M
7/22/2019224.23M
10/21/2019221.29M
1/29/2020221.40M
5/4/2020220.83M

Also see: ALXN Market Cap History
ALXN YTD Return
ALXN RSI
ALXN DMA
ALXN MACD
ALXN Technical Analysis
ALXN Historical Shares Outstanding:
+2.12% CAGR
ALXN Historical Shares Outstanding: +2.12% CAGR

Mouse over chart for data details
2/16/2010 ...5/4/2020
Alexion Pharmaceuticals is a biopharmaceutical company serving patients and families affected by rare diseases through the discovery, development and commercialization of therapies. Co. has developed and commercialized two complement inhibitors to treat patients with paroxysmal nocturnal hemoglobinuria and atypical hemolytic uremic syndrome, as well as the complement inhibitor to treat anti-acetylcholine receptor antibody-positive generalized myasthenia gravis and neuromyelitis optica spectrum disorder in patients who are anti-aquaporin-4 antibody positive. In addition, Co. has two enzyme replacement therapies for metabolic disorders, hypophosphatasia and lysosomal acid lipase deficiency. We show 42 historical shares outstanding datapoints in our coverage of ALXN's shares outstanding history.

Understanding the changing numbers of ALXN shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like ALXN 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 ALXN by allowing them to research ALXN shares outstanding history as well as any other stock in our coverage universe.
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Alexion Pharmaceuticals (ALXN) is categorized under the Healthcare sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:

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