Alexion Pharmaceuticals - 24 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 March 27, 2020 is 84.01.
  • The all-time high Alexion Pharmaceuticals stock closing price was 207.84 on July 23, 2015.
  • The Alexion Pharmaceuticals 52-week high stock price is 141.86, which is 68.9% above the current share price.
  • The Alexion Pharmaceuticals 52-week low stock price is 72.67, which is 13.5% below the current share price.
  • The average Alexion Pharmaceuticals stock price for the last 52 weeks is 111.90.
Alexion Pharmaceuticals Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2020 98.4635 107.8400 113.9200 75.5600 84.0100 -22.32%
2019 118.1113 98.0500 141.3000 94.8400 108.1500 11.08%
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 $18.600B $4.991B
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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BioMarin Pharmaceutical (BMRN) United States $14.306B 611.61
Genmab (GNMSF) Denmark $12.862B 41.37
BioNTech SE (BNTX) Germany $12.444B 0.00
Alnylam Pharmaceuticals (ALNY) United States $11.782B 0.00
Galapagos (GLPG) Belgium $11.779B 25.73
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Guardant Health (GH) United States $6.398B 0.00
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Ascendis Pharma (ASND) Denmark $5.414B 0.00
Exelixis (EXEL) United States $5.262B 16.89
Horizon Therapeutics Public (HZNP) Ireland $5.235B 13.83
Reata Pharmaceuticals (RETA) United States $4.984B 0.00
ARGENX SE-ADR (ARGX) Netherlands $4.980B 0.00
Repligen (RGEN) United States $4.820B 88.14
Amarin (AMRN) Ireland $4.730B 0.00
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MorphoSys AG (MOR) Germany $3.364B 0.00
Mirati Therapeutics (MRTX) United States $3.318B 0.00
Adaptive Biotechnologies (ADPT) United States $3.206B 0.00
Blueprint Medicines (BPMC) United States $3.140B 0.00
Momenta Pharmaceuticals (MNTA) United States $3.130B 0.00
Global Blood Therapeutics (GBT) United States $3.110B 0.00
Zai Lab (ZLAB) China $2.961B 0.00
Immunomedics (IMMU) United States $2.747B 0.00
NeoGenomics (NEO) United States $2.695B 116.86
Emergent Biosolutions (EBS) United States $2.663B 18.49
Bluebird Bio (BLUE) United States $2.657B 0.00
Genmab (GMAB) Denmark $2.588B 10.15
CRISPR Therapeutics AG (CRSP) Switzerland $2.545B 43.11
MyoKardia (MYOK) United States $2.488B 0.00
Ultragenyx Pharmaceutical (RARE) United States $2.452B 0.00
Halozyme Therapeutics (HALO) United States $2.416B 0.00
Deciphera Pharmaceuticals (DCPH) United States $2.329B 0.00
Amicus Therapeutics (FOLD) United States $2.300B 0.00
Alkermes (ALKS) Ireland $2.272B 180.00
Arena Pharmaceuticals (ARNA) United States $2.238B 5.83
RA PHARMCTL INC (RARX) United States $2.220B 0.00
Intercept Pharmaceuticals (ICPT) United States $2.138B 0.00
Denali Therapeutics (DNLI) United States $1.995B 0.00
UniQure (QURE) Netherlands $1.959B 0.00
Epizyme (EPZM) United States $1.792B 0.00
Alector (ALEC) United States $1.787B 0.00
Viela Bio (VIE) United States $1.769B 0.00
Fate Therapeutics (FATE) United States $1.684B 0.00
Principia Biopharma (PRNB) United States $1.673B 0.00
Eidos Therapeutics (EIDX) United States $1.618B 0.00
Insmed (INSM) United States $1.541B 0.00
Arvinas (ARVN) United States $1.538B 0.00
Zymeworks (ZYME) Canada $1.470B 0.00
Akcea Therapeutics (AKCA) United States $1.345B 28.93
Dicerna Pharmaceuticals (DRNA) United States $1.263B 0.00
REGENXBIO (RGNX) United States $1.258B 0.00
Inovio Pharmaceuticals (INO) United States $1.213B 0.00
Coherus BioSciences (CHRS) United States $1.148B 13.66
Ligand Pharmaceuticals (LGND) United States $1.102B 34.25
Editas Medicine (EDIT) United States $1.095B 0.00
Twist Bioscience (TWST) United States $1.063B 0.00
Zealand Pharma (ZEAL) Denmark $1.054B 0.00
Myriad Genetics (MYGN) United States $1.048B 18.50
NextCure (NXTC) United States $1.007B 0.00
PHARMA MAR SA (PHMMF) Spain $0.983B 0.00
Adverum Biotechnologies (ADVM) United States $0.911B 0.00
Revance Therapeutics (RVNC) United States $0.887B 0.00
NGM Biopharmaceuticals (NGM) United States $0.886B 0.00
Zealand Pharma (ZLDPF) Denmark $0.881B 0.00
Intra-Cellular Therapies (ITCI) United States $0.877B 0.00
Sangamo Therapeutics (SGMO) United States $0.737B 0.00
Cytokineticsorporated (CYTK) United States $0.699B 0.00
Orchard Therapeutics (ORTX) United Kingdom $0.680B 0.00
Novavax (NVAX) United States $0.672B 0.00
Kadmon Holdings (KDMN) United States $0.637B 0.00
Athenex (ATNX) United States $0.615B 0.00
Pharming Group (PHGUF) Netherlands $0.613B 0.00
Frequency Therapeutics (FREQ) United States $0.609B 0.00
Codexis (CDXS) United States $0.607B 0.00
Retrophin (RTRX) United States $0.594B 0.00
Cara Therapeutics (CARA) United States $0.589B 0.00
Intellia Therapeutics (NTLA) United States $0.583B 0.00
Arcus Biosciences (RCUS) United States $0.582B 0.00
Nabriva Therapeutics AG (NBRV) Ireland $0.582B 0.00
Bellus Health (BLU) Canada $0.554B 0.00
GENFIT S.A (GNFT) France $0.552B 0.00
BAVARIAN NORDIC (BVNRY) Denmark $0.537B 0.00
Intrexon (PGEN) United States $0.533B 0.00
ZIOPHARM Oncology Inc (ZIOP) United States $0.528B 0.00
Clovis Oncology (CLVS) United States $0.524B 0.00
Vanda Pharmaceuticals (VNDA) United States $0.491B 4.32
Compugen (CGEN) Israel $0.491B 0.00
Castle Biosciences (CSTL) United States $0.486B 0.00
Sinovac Biotech (SVA) China $0.460B 0.00
ANI Pharmaceuticals (ANIP) United States $0.457B 8.24
Mesoblast (MESO) Australia $0.435B 0.00
DBV Technologies S.A (DBVT) France $0.434B 0.00
MeiraGTx Holdings (MGTX) United States $0.429B 0.00
AC Immune SA (ACIU) Switzerland $0.429B 9.92
Morphic Holding (MORF) United States $0.427B 0.00
Vericel (VCEL) United States $0.422B 62.60
Heska (HSKA) United States $0.419B 0.00
Anika Therapeutics (ANIK) United States $0.415B 14.29
Aquinox Pharmaceuticals (NLTX) United States $0.405B 0.00
MiMedx (MDXG) United States $0.403B 0.00
Basilea Pharmaceutica AG (BPMUF) Switzerland $0.400B 0.00
Scholar Rock Holding (SRRK) United States $0.400B 0.00
Verastem (VSTM) United States $0.400B 0.00
OXFORD BIOMEDCL (OXBDF) United Kingdom $0.398B 0.00
Xenon Pharmaceuticals (XENE) Canada $0.385B 0.00
Prothena (PRTA) Ireland $0.383B 0.00
AnaptysBio (ANAB) United States $0.382B 0.00
Agenus (AGEN) United States $0.380B 0.00
Adaptimmune Therapeutics (ADAP) United Kingdom $0.371B 0.00
UROGEN PHARMA (URGN) United States $0.370B 0.00
Cellectis S.A (CLLS) France $0.365B 0.00
Merus (MRUS) Netherlands $0.360B 0.00
Cue Biopharma (CUE) United States $0.352B 0.00
BioDelivery Sciences (BDSI) United States $0.340B 39.22
Puma Biotechnology (PBYI) United States $0.338B 0.00
PDL BioPharma (PDLI) United States $0.336B 10.07
Sorrento Therapeutics (SRNE) United States $0.328B 0.00
Athersys (ATHX) United States $0.322B 0.00
WAVE Life Sciences (WVE) Singapore $0.319B 0.00
Precision BioSciences (DTIL) United States $0.318B 0.00
NantKwest (NK) United States $0.310B 0.00
Dynavax Technologies (DVAX) United States $0.307B 0.00
Cellular Biomedicine (CBMG) United States $0.297B 0.00
Syndax Pharmaceuticals (SNDX) United States $0.292B 0.00
CytomX Therapeutics (CTMX) United States $0.289B 0.00
Mersana Therapeutics (MRSN) United States $0.287B 0.00
Kala Pharmaceuticals (KALA) United States $0.285B 0.00
ADMA Biologics Inc (ADMA) United States $0.265B 0.00
Avid Bioservices (CDMO) United States $0.264B 0.00
Albireo Pharma (ALBO) United States $0.248B 0.00
Kamada (KMDA) Israel $0.244B 10.17
Seres Therapeutics (MCRB) United States $0.244B 0.00
Alcobra (ARCT) United States $0.239B 0.00
Sutro Biopharma (STRO) United States $0.226B 0.00
Bicycle Therapeutics (BCYC) United Kingdom $0.226B 0.00
MannKind (MNKD) United States $0.225B 0.00
Stemline Therapeutics (STML) United States $0.222B 0.00
Autolus Therapeutics (AUTL) United Kingdom $0.218B 0.00
Syros Pharmaceuticals (SYRS) United States $0.218B 0.00
Geron (GERN) United States $0.214B 0.00
Aduro Biotech (ADRO) United States $0.206B 0.00
AMAG Pharmaceuticals (AMAG) United States $0.204B 0.00
Gritstone Oncology (GRTS) United States $0.202B 0.00
Lexicon Pharmaceuticals (LXRX) United States $0.193B 1.73
XOMA (XOMA) United States $0.185B 0.00
Selecta Biosciences (SELB) United States $0.183B 0.00
ChromaDex (CDXC) United States $0.176B 0.00
OSMOTICA PHARM (OSMT) United States $0.176B 0.00
Protagonist Therapeutics (PTGX) United States $0.175B 0.00
HOOKIPA Pharma (HOOK) United States $0.173B 0.00
IVERIC Bio (ISEE) United States $0.172B 0.00
Abeona Therapeutics (ABEO) United States $0.172B 0.00
Starpharma Holdings (SPHRY) Australia $0.168B 0.00
VBI Vaccines (VBIV) United States $0.166B 0.00
Aytu Bioscience (AYTU) United States $0.166B 0.00
Prometic Life Sciences (LMNL) Canada $0.160B 0.00
Kindred Biosciences (KIN) United States $0.160B 0.00
Biofrontera AG (BFRA) Germany $0.159B 0.00
Spero Therapeutics (SPRO) United States $0.158B 0.00
Nymox Pharmaceutical (NYMX) Canada $0.152B 0.00
POXEL SA FRANCE (PXXLF) France $0.145B 0.00
Windtree Therapeutics (WINT) United States $0.144B 0.00
Aeglea BioTherapeutics (AGLE) United States $0.137B 0.00
Cerecor (CERC) United States $0.136B 0.00
Paratek Pharmaceuticals (PRTK) United States $0.135B 0.00
Fortress Biotech (FBIO) United States $0.134B 0.00
Newron Pharmaceuticals SpA (NWPHF) Italy $0.134B 0.00
Liquidia Technologies (LQDA) United States $0.132B 0.00
VTv Therapeutics (VTVT) United States $0.132B 0.00
Dyadic (DYAI) United States $0.122B 0.00
Antibe Therapeutics (ATBPF) Canada $0.121B 0.00
Affimed (AFMD) Germany $0.119B 0.00
EYEPOINT PHARMACEUTICALS, INC (EYPT) United States $0.118B 0.00
Theratechnologies (THTX) Canada $0.118B 0.00
Enzo Biochem (ENZ) United States $0.117B 0.00
Exicure (XCUR) United States $0.115B 0.00
Celyad SA (CYAD) Belgium $0.113B 0.00
Pieris Pharmaceuticals (PIRS) United States $0.110B 0.00
AIT Therapeutics (XAIR) United States $0.104B 0.00
Northwest Biotherapeutics (NWBO) United States $0.102B 0.00
Strongbridge Biopharma (SBBP) United States $0.101B 0.00
Cidara Therapeutics (CDTX) United States $0.100B 0.00
PHASEBIO PHARMA (PHAS) United States $0.096B 0.00
Aptinyx (APTX) United States $0.095B 0.00
TELA Bio (TELA) United States $0.091B 0.00
OvaScience (MLND) United States $0.088B 0.00
Checkpoint Therapeutics (CKPT) United States $0.086B 0.00
ARAVIVE, INC (ARAV) United States $0.086B 0.00
Five Prime Therapeutics (FPRX) United States $0.085B 0.00
Cyclerion Therapeutics (CYCN) United States $0.084B 0.00
Arbutus Biopharma (ABUS) Canada $0.083B 0.00
Clearside Biomedical (CLSD) United States $0.078B 0.00
Eton Pharmaceuticals (ETON) United States $0.078B 0.00
Happiness Biotech Group (HAPP) China $0.075B 0.00
Catabasis Pharmaceuticals (CATB) United States $0.071B 0.00
Menlo Therapeutics (MNLO) United States $0.070B 0.00
AVEO Pharmaceuticals (AVEO) United States $0.069B 0.00
Proteostasis Therapeutics (PTI) United States $0.067B 0.00
Vaccinex (VCNX) United States $0.066B 0.00
Adocia (ADOCY) France $0.066B 0.00
Emmaus Life Sciences (EMMA) United States $0.064B 0.00
SESEN BIO, INC (SESN) United States $0.062B 0.00
Applied Genetic Technologies (AGTC) United States $0.061B 0.00
Orgenesis (ORGS) United States $0.061B 3.55
Synlogic (SYBX) United States $0.060B 0.00
AquaBounty Technologies (AQB) United States $0.059B 0.00
Catalyst Biosciences (CBIO) United States $0.057B 0.00
Trevena (TRVN) United States $0.056B 0.00
Pluristem Therapeutics (PSTI) Israel $0.054B 0.00
Aridis Pharmaceuticals (ARDS) United States $0.052B 0.00
Acorda Therapeutics (ACOR) United States $0.050B 0.00
Vascular Biogenics (VBLT) Israel $0.047B 0.00
Sunesis Pharmaceuticals (SNSS) United States $0.047B 0.00
Idera Pharmaceuticals (IDRA) United States $0.043B 0.00
Organovo Holdings (ONVO) United States $0.038B 0.00
Soligenix (SNGX) United States $0.038B 0.00
ASLAN Pharmaceuticals (ASLN) Singapore $0.036B 0.00
Lumos Pharma (LUMO) United States $0.036B 0.00
Advaxis (ADXS) United States $0.034B 0.00
DiaMedica Therapeutics (DMAC) United States $0.034B 0.00
CollPlant Holdings (CLGN) Israel $0.034B 0.00
TOCAGEN INC (TOCA) United States $0.031B 0.00
Celldex Therapeutics (CLDX) United States $0.030B 0.00
ANIXA BIOSCIENCES INC (ANIX) United States $0.028B 0.00
Prima BioMed (IMMP) Australia $0.028B 0.00
Evogene (EVGN) Israel $0.027B 0.00
Entera Bio (ENTX) Israel $0.027B 0.00
Signal Genetics (MGEN) United States $0.026B 0.00
Curis (CRIS) United States $0.026B 0.00
VistaGen Therapeutics (VTGN) United States $0.023B 0.00
Pulmatrix (PULM) United States $0.023B 0.00
Alimera Sciences (ALIM) United States $0.022B 0.00
Aerpio Pharmaceuticals (ARPO) United States $0.021B 0.00
Novogen (KZIA) Australia $0.021B 0.00
Cleveland BioLabs (CBLI) United States $0.020B 0.00
Celsion (CLSN) United States $0.020B 0.00
Stellar Biotechnologies (EDSA) Canada $0.019B 0.00
BioCardia (BCDA) United States $0.019B 0.00
Oncobiologics (OTLK) United States $0.019B 0.00
Apricus Biosciences (SEEL) United States $0.018B 0.00
Bionano Genomics (BNGO) United States $0.017B 0.00
Titan Pharmaceuticals (TTNP) United States $0.017B 0.00
Unum Therapeutics (UMRX) United States $0.014B 0.00
AEterna Zentaris (AEZS) United States $0.013B 0.00
Aptevo Therapeutics (APVO) United States $0.013B 0.00
ATyr Pharma (LIFE) United States $0.013B 0.00
TrovaGene (TROV) United States $0.011B 0.00
MYOS RENS Technology (MYOS) United States $0.010B 0.00
VIVUS (VVUS) United States $0.010B 0.00
Genetic Technologies (GENE) Australia $0.009B 0.00
Prana Biotechnology (ATHE) Australia $0.009B 0.00
Cesca Therapeutics (THMO) United States $0.009B 0.00
TRACON Pharmaceuticals (TCON) United States $0.008B 0.00
Cyclacel Pharmaceuticals (CYCC) United States $0.007B 0.00
IMMURON (IMRN) Australia $0.007B 0.00
Benitec Biopharma (BNTC) Australia $0.006B 0.00
Neuralstem (SNCA) United States $0.006B 0.00
Spherix (AIKI) United States $0.003B 0.00
Innate Pharma S.A (IPHA) France $0.000B 0.00