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 January 22, 2020 is 111.40.
  • 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 27.3% above the current share price.
  • The Alexion Pharmaceuticals 52-week low stock price is 94.59, which is 15.1% below the current share price.
  • The average Alexion Pharmaceuticals stock price for the last 52 weeks is 118.18.
Alexion Pharmaceuticals Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2020 110.4221 107.8400 113.9200 106.4100 111.4000 3.01%
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 $25.008B $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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ARGENX SE-ADR (ARGX) Netherlands $5.844B 0.00
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MyoKardia (MYOK) United States $3.363B 0.00
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Intercept Pharmaceuticals (ICPT) United States $3.298B 0.00
CRISPR Therapeutics AG (CRSP) Switzerland $3.208B 0.00
Zai Lab (ZLAB) China $3.030B 0.00
Emergent Biosolutions (EBS) United States $2.959B 29.40
Alkermes (ALKS) Ireland $2.918B 0.00
Genmab (GMAB) Denmark $2.907B 5.99
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Acceleron Pharma (XLRN) United States $2.871B 0.00
Momenta Pharmaceuticals (MNTA) United States $2.859B 0.00
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Epizyme (EPZM) United States $2.369B 0.00
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Denali Therapeutics (DNLI) United States $2.114B 0.00
Myriad Genetics (MYGN) United States $2.113B 31.22
Principia Biopharma (PRNB) United States $1.977B 0.00
Zymeworks (ZYME) Canada $1.880B 0.00
Insmed (INSM) United States $1.866B 0.00
Fate Therapeutics (FATE) United States $1.844B 0.00
Arvinas (ARVN) United States $1.714B 0.00
REGENXBIO (RGNX) United States $1.703B 0.00
Akcea Therapeutics (AKCA) United States $1.628B 0.00
Ligand Pharmaceuticals (LGND) United States $1.576B 30.32
Editas Medicine (EDIT) United States $1.535B 0.00
Nabriva Therapeutics AG (NBRV) Ireland $1.532B 0.00
Alector (ALEC) United States $1.516B 0.00
Intra-Cellular Therapies (ITCI) United States $1.409B 0.00
Dicerna Pharmaceuticals (DRNA) United States $1.377B 0.00
Coherus BioSciences (CHRS) United States $1.352B 0.00
Orchard Therapeutics (ORTX) United Kingdom $1.350B 0.00
Zealand Pharma (ZLDPF) Denmark $1.292B 0.00
Athenex (ATNX) United States $1.203B 0.00
Zealand Pharma (ZEAL) Denmark $1.168B 0.00
DBV Technologies S.A (DBVT) France $1.136B 0.00
Codexis (CDXS) United States $1.029B 0.00
Revance Therapeutics (RVNC) United States $0.997B 0.00
PHARMA MAR SA (PHMMF) Spain $0.965B 0.00
Sangamo Therapeutics (SGMO) United States $0.958B 0.00
Mesoblast (MESO) Australia $0.953B 0.00
Pharming Group (PHGUF) Netherlands $0.909B 0.00
BAVARIAN NORDIC (BVNRY) Denmark $0.902B 0.00
Heska (HSKA) United States $0.827B 211.32
ZIOPHARM Oncology Inc (ZIOP) United States $0.807B 0.00
Vanda Pharmaceuticals (VNDA) United States $0.800B 6.72
GENFIT S.A (GNFT) France $0.776B 0.00
Cellectis S.A (CLLS) France $0.765B 0.00
Vericel (VCEL) United States $0.749B 279.42
Adverum Biotechnologies (ADVM) United States $0.747B 0.00
Twist Bioscience (TWST) United States $0.736B 0.00
ANI Pharmaceuticals (ANIP) United States $0.735B 12.54
Cytokineticsorporated (CYTK) United States $0.717B 0.00
Basilea Pharmaceutica AG (BPMUF) Switzerland $0.713B 0.00
Sorrento Therapeutics (SRNE) United States $0.705B 0.00
Intellia Therapeutics (NTLA) United States $0.702B 0.00
UROGEN PHARMA (URGN) United States $0.693B 0.00
Retrophin (RTRX) United States $0.688B 0.00
Cara Therapeutics (CARA) United States $0.675B 0.00
Anika Therapeutics (ANIK) United States $0.655B 21.25
AC Immune SA (ACIU) Switzerland $0.638B 14.77
NantKwest (NK) United States $0.616B 0.00
Kadmon Holdings (KDMN) United States $0.594B 0.00
OXFORD BIOMEDCL (OXBDF) United Kingdom $0.568B 0.00
Prothena (PRTA) Ireland $0.544B 0.00
Aquinox Pharmaceuticals (NLTX) United States $0.540B 0.00
Precision BioSciences (DTIL) United States $0.540B 0.00
Agenus (AGEN) United States $0.536B 0.00
Autolus Therapeutics (AUTL) United Kingdom $0.515B 0.00
BioDelivery Sciences (BDSI) United States $0.515B 0.00
Clovis Oncology (CLVS) United States $0.513B 0.00
Dynavax Technologies (DVAX) United States $0.511B 0.00
Bellus Health (BLU) Canada $0.469B 0.00
Sinovac Biotech (SVA) China $0.460B 0.00
Arcus Biosciences (RCUS) United States $0.460B 0.00
Cel-Sci (CVM) United States $0.444B 0.00
Adaptimmune Therapeutics (ADAP) United Kingdom $0.433B 0.00
Xenon Pharmaceuticals (XENE) Canada $0.433B 0.00
Lexicon Pharmaceuticals (LXRX) United States $0.430B 2.98
AnaptysBio (ANAB) United States $0.422B 0.00
Merus (MRUS) Netherlands $0.399B 0.00
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Avid Bioservices (CDMO) United States $0.366B 0.00
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Inovio Pharmaceuticals (INO) United States $0.356B 0.00
MannKind (MNKD) United States $0.352B 0.00
POXEL SA FRANCE (PXXLF) France $0.350B 0.00
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CytomX Therapeutics (CTMX) United States $0.339B 0.00
Cellular Biomedicine (CBMG) United States $0.337B 0.00
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Syros Pharmaceuticals (SYRS) United States $0.332B 0.00
Compugen (CGEN) Israel $0.327B 0.00
Novavax (NVAX) United States $0.315B 0.00
Albireo Pharma (ALBO) United States $0.313B 0.00
Starpharma Holdings (SPHRY) Australia $0.305B 0.00
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Geron (GERN) United States $0.282B 0.00
Sutro Biopharma (STRO) United States $0.280B 0.00
IVERIC Bio (ISEE) United States $0.280B 0.00
Kamada (KMDA) Israel $0.276B 8.06
WAVE Life Sciences (WVE) Singapore $0.275B 0.00
ADMA Biologics Inc (ADMA) United States $0.263B 0.00
Prometic Life Sciences (LMNL) Canada $0.261B 0.00
ChromaDex (CDXC) United States $0.260B 0.00
Biofrontera AG (BFRA) Germany $0.254B 0.00
Seres Therapeutics (MCRB) United States $0.239B 0.00
Syndax Pharmaceuticals (SNDX) United States $0.235B 0.00
Aeglea BioTherapeutics (AGLE) United States $0.227B 0.00
Affimed (AFMD) Germany $0.221B 0.00
Exicure (XCUR) United States $0.221B 0.00
Five Prime Therapeutics (FPRX) United States $0.220B 0.00
Cerecor (CERC) United States $0.217B 0.00
XOMA (XOMA) United States $0.217B 0.00
Theratechnologies (THTX) Canada $0.210B 0.00
Nymox Pharmaceutical (NYMX) Canada $0.210B 0.00
Bicycle Therapeutics (BCYC) United Kingdom $0.203B 0.00
Protagonist Therapeutics (PTGX) United States $0.202B 0.00
Athersys (ATHX) United States $0.201B 0.00
Arbutus Biopharma (ABUS) Canada $0.193B 0.00
Fortress Biotech (FBIO) United States $0.191B 0.00
Windtree Therapeutics (WINT) United States $0.183B 0.00
CorMedix Inc (CRMD) United States $0.182B 0.00
EYEPOINT PHARMACEUTICALS, INC (EYPT) United States $0.177B 0.00
ARAVIVE, INC (ARAV) United States $0.176B 0.00
Alcobra (ARCT) United States $0.175B 0.00
Spero Therapeutics (SPRO) United States $0.173B 0.00
Pieris Pharmaceuticals (PIRS) United States $0.173B 0.00
Selecta Biosciences (SELB) United States $0.168B 0.00
TELA Bio (TELA) United States $0.166B 0.00
PHASEBIO PHARMA (PHAS) United States $0.162B 0.00
Palatin Technologies (PTN) United States $0.162B 4.41
Dyadic (DYAI) United States $0.161B 0.00
Menlo Therapeutics (MNLO) United States $0.157B 0.00
Aptinyx (APTX) United States $0.156B 0.00
Applied Genetic Technologies (AGTC) United States $0.150B 0.00
Strongbridge Biopharma (SBBP) United States $0.147B 3.94
Abeona Therapeutics (ABEO) United States $0.142B 0.00
Newron Pharmaceuticals SpA (NWPHF) Italy $0.134B 0.00
Verastem (VSTM) United States $0.133B 0.00
VTv Therapeutics (VTVT) United States $0.133B 0.00
Lineage Cell Therapeutics (LCTX) United States $0.127B 6.55
Clearside Biomedical (CLSD) United States $0.127B 0.00
Liquidia Technologies (LQDA) United States $0.125B 0.00
Northwest Biotherapeutics (NWBO) United States $0.124B 0.00
Arsanis (XFOR) United States $0.124B 0.00
Celyad SA (CYAD) Belgium $0.123B 0.00
Paratek Pharmaceuticals (PRTK) United States $0.121B 0.00
Enzo Biochem (ENZ) United States $0.120B 0.00
Aduro Biotech (ADRO) United States $0.114B 0.00
Happiness Biotech Group (HAPP) China $0.112B 0.00
Antibe Therapeutics (ATBPF) Canada $0.111B 0.00
OvaScience (MLND) United States $0.106B 0.00
Synlogic (SYBX) United States $0.103B 0.00
SESEN BIO, INC (SESN) United States $0.101B 0.00
AVEO Pharmaceuticals (AVEO) United States $0.099B 0.00
Proteostasis Therapeutics (PTI) United States $0.098B 0.00
Acorda Therapeutics (ACOR) United States $0.098B 0.00
AIT Therapeutics (XAIR) United States $0.096B 0.00
Catalyst Biosciences (CBIO) United States $0.086B 0.00
Adocia (ADOCY) France $0.086B 0.00
NewLink Genetics (NLNK) United States $0.084B 0.00
Emmaus Life Sciences (EMMA) United States $0.082B 0.00
Orgenesis (ORGS) United States $0.082B 5.30
Trevena (TRVN) United States $0.082B 0.00
Prima BioMed (IMMP) Australia $0.082B 0.00
Catabasis Pharmaceuticals (CATB) United States $0.079B 0.00
ANIXA BIOSCIENCES INC (ANIX) United States $0.078B 0.00
Vaccinex (VCNX) United States $0.078B 0.00
Checkpoint Therapeutics (CKPT) United States $0.075B 0.00
Aridis Pharmaceuticals (ARDS) United States $0.074B 0.00
Pluristem Therapeutics (PSTI) Israel $0.063B 0.00
Sunesis Pharmaceuticals (SNSS) United States $0.060B 0.00
Protalix BioTherapeutics (PLX) Israel $0.060B 0.00
Curis (CRIS) United States $0.056B 0.00
Idera Pharmaceuticals (IDRA) United States $0.055B 0.00
Organovo Holdings (ONVO) United States $0.053B 0.00
Vascular Biogenics (VBLT) Israel $0.051B 0.00
DiaMedica Therapeutics (DMAC) United States $0.051B 0.00
Soligenix (SNGX) United States $0.049B 0.00
AquaBounty Technologies (AQB) United States $0.047B 0.00
Evogene (EVGN) Israel $0.044B 0.00
CollPlant Holdings (CLGN) Israel $0.042B 0.00
Celsion (CLSN) United States $0.038B 0.00
Celldex Therapeutics (CLDX) United States $0.038B 0.00
BioCardia (BCDA) United States $0.037B 0.00
Alimera Sciences (ALIM) United States $0.035B 0.00
Bionano Genomics (BNGO) United States $0.033B 0.00
Unum Therapeutics (UMRX) United States $0.032B 0.00
Pulmatrix (PULM) United States $0.032B 0.00
Entera Bio (ENTX) Israel $0.032B 0.00
VistaGen Therapeutics (VTGN) United States $0.031B 0.00
AmpliPhi Biosciences (ARMP) United States $0.031B 0.00
Aptevo Therapeutics (APVO) United States $0.030B 0.00
VIVUS (VVUS) United States $0.029B 0.00
AEterna Zentaris (AEZS) United States $0.029B 0.00
Oncobiologics (OTLK) United States $0.029B 0.00
Novogen (KZIA) Australia $0.027B 0.00
Stellar Biotechnologies (EDSA) Canada $0.026B 0.00
Aerpio Pharmaceuticals (ARPO) United States $0.025B 0.00
Titan Pharmaceuticals (TTNP) United States $0.021B 0.00
Signal Genetics (MGEN) United States $0.019B 0.00
Genetic Technologies (GENE) Australia $0.019B 0.00
PLANET GREEN HOLDINGS CORP (PLAG) China $0.018B 0.00
Aytu Bioscience (AYTU) United States $0.018B 0.00
Advaxis (ADXS) United States $0.018B 0.00
TOCAGEN INC (TOCA) United States $0.015B 0.00
Cesca Therapeutics (THMO) United States $0.014B 0.00
MYOS RENS Technology (MYOS) United States $0.014B 0.00
Cyclacel Pharmaceuticals (CYCC) United States $0.013B 0.00
IMMURON (IMRN) Australia $0.013B 0.00
Cleveland BioLabs (CBLI) United States $0.013B 0.00
TrovaGene (TROV) United States $0.012B 0.00
TRACON Pharmaceuticals (TCON) United States $0.012B 0.00
Prana Biotechnology (ATHE) Australia $0.011B 0.00
BioPharmX (BPMX) United States $0.011B 0.00
IBio (IBIO) United States $0.010B 0.00
Benitec Biopharma (BNTC) Australia $0.007B 0.00
Neuralstem (SNCA) United States $0.005B 0.00