Alexion Pharmaceuticals - 23 Year Stock Price History | ALXN

Historical daily share price chart and data for Alexion Pharmaceuticals since 1996 adjusted for splits. The latest closing stock price for Alexion Pharmaceuticals as of July 19, 2019 is 120.80.
  • The all-time high Alexion Pharmaceuticals stock price is 207.84, which is 72.1% above the current share price.
  • The Alexion Pharmaceuticals 52-week high stock price is 141.30, which is 17% above the current share price.
  • The Alexion Pharmaceuticals 52-week low stock price is 93.94, which is 22.2% below the current share price.
  • The average Alexion Pharmaceuticals stock price for the last 52 weeks is 123.80.
Alexion Pharmaceuticals Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2019 126.5570 98.0500 141.3000 98.0500 120.8000 24.08%
2018 120.0025 124.0500 139.0100 93.9400 97.3600 -18.59%
2017 125.7262 122.6300 146.6900 97.7000 119.5900 -2.26%
2016 134.8574 184.6800 184.9000 110.0100 122.3500 -35.86%
2015 177.6471 186.6000 207.8400 145.6000 190.7500 3.09%
2014 166.7312 133.4400 200.7900 129.8200 185.0300 39.24%
2013 104.9874 100.0500 132.9100 83.3900 132.8840 41.76%
2012 94.2987 70.5700 118.1500 70.2900 93.7400 31.10%
2011 53.8780 40.6650 71.5500 40.6650 71.5000 77.53%
2010 29.1347 24.1250 41.1700 22.7500 40.2750 64.99%
2009 20.1819 18.0650 24.4100 15.8250 24.4100 34.90%
2008 18.1343 18.8775 23.7525 12.7425 18.0950 -3.53%
2007 13.6236 10.1525 19.9500 8.9425 18.7575 85.76%
2006 8.7138 5.0725 11.3500 5.0150 10.0975 99.46%
2005 6.0305 6.0925 7.4975 4.6550 5.0625 -19.64%
2004 4.9553 4.3125 6.3750 3.3925 6.3000 48.15%
2003 3.8358 3.6250 5.2300 2.5850 4.2525 20.47%
2002 4.0792 5.7750 6.5650 2.3950 3.5300 -42.23%
2001 6.3246 15.3900 18.6875 3.7375 6.1100 -62.37%
2000 17.8134 7.3750 29.0750 6.9375 16.2350 115.53%
1999 3.2124 3.1250 7.8450 2.1095 7.5325 125.19%
1998 2.7282 2.9700 3.7500 1.5000 3.3450 7.04%
1997 2.7061 2.1875 3.8450 2.0313 3.1250 43.84%
Sector Industry Market Cap Revenue
Medical Medical - Biomedical and Genetics $27.088B $4.131B
Alexion Pharmaceuticals, Inc. is a global biopharmaceutical company focused on serving patients and families affected by rare diseases through the innovation, development and commercialization of life-changing therapies. Alexion is the global leader in complement inhibition and has developed and commercializes the first and only approved complement inhibitor to treat patients with paroxysmal nocturnal hemoglobinuria (PNH), atypical hemolytic uremic syndrome (aHUS), and anti-acetylcholine receptor (AchR) antibody-positive generalized myasthenia gravis (gMG). In addition, Alexion has two highly innovative enzyme replacement therapies for patients with life-threatening and ultra-rare metabolic disorders, hypophosphatasia (HPP) and lysosomal acid lipase deficiency (LAL-D).
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Blueprint Medicines (BPMC) United States $4.775B 0.00
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Zymeworks (ZYME) Canada $0.952B 0.00
Momenta Pharmaceuticals (MNTA) United States $0.947B 0.00
Principia Biopharma (PRNB) United States $0.921B 0.00
Adverum Biotechnologies (ADVM) United States $0.891B 0.00
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Retrophin (RTRX) United States $0.879B 0.00
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Vericel (VCEL) United States $0.822B 0.00
Alder BioPharmaceuticals (ALDR) United States $0.820B 0.00
WAVE Life Sciences (WVE) Singapore $0.794B 0.00
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Intellia Therapeutics (NTLA) United States $0.782B 0.00
Precision BioSciences (DTIL) United States $0.701B 0.00
Zealand Pharma (ZEAL) Denmark $0.692B 8.08
Vanda Pharmaceuticals (VNDA) United States $0.688B 32.47
Zealand Pharma (ZLDPF) Denmark $0.683B 0.00
Intra-Cellular Therapies (ITCI) United States $0.652B 0.00
Cytokineticsorporated (CYTK) United States $0.643B 0.00
Cellectis S.A (CLLS) France $0.634B 0.00
Heska (HSKA) United States $0.622B 63.66
Autolus Therapeutics (AUTL) United Kingdom $0.612B 0.00
DBV Technologies S.A (DBVT) France $0.600B 0.00
Stemline Therapeutics (STML) United States $0.588B 0.00
Clovis Oncology (CLVS) United States $0.580B 0.00
Anika Therapeutics (ANIK) United States $0.577B 19.72
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CytomX Therapeutics (CTMX) United States $0.527B 0.00
Pharming Group (PHGUF) Netherlands $0.521B 0.00
MiMedx (MDXG) United States $0.503B 0.00
Mesoblast (MESO) Australia $0.494B 0.00
PHARMA MAR SA (PHMMF) Spain $0.452B 0.00
UROGEN PHARMA (URGN) United States $0.438B 0.00
Basilea Pharmaceutica AG (BPMUF) Switzerland $0.437B 0.00
Puma Biotechnology (PBYI) United States $0.394B 0.00
Prothena (PRTA) Ireland $0.393B 0.00
AC Immune SA (ACIU) Switzerland $0.378B 24.35
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Mersana Therapeutics (MRSN) United States $0.200B 0.00
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Affimed (AFMD) Germany $0.193B 0.00
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Alimera Sciences (ALIM) United States $0.062B 0.00
Antibe Therapeutics (ATBPF) Canada $0.061B 0.00
ARAVIVE, INC (ARAV) United States $0.060B 0.00
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Organovo Holdings (ONVO) United States $0.060B 0.00
Sunesis Pharmaceuticals (SNSS) United States $0.058B 0.00
Prima BioMed (IMMP) Australia $0.057B 0.00
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