Alexion Pharmaceuticals Shares Outstanding 2006-2020 | ALXN

Alexion Pharmaceuticals shares outstanding history from 2006 to 2020. Shares outstanding can be defined as the number of shares held by shareholders (including insiders) assuming conversion of all convertible debt, securities, warrants and options. This metric excludes the company's treasury shares.
  • Alexion Pharmaceuticals shares outstanding for the quarter ending March 31, 2020 were 0.223B, a 1.29% decline year-over-year.
  • Alexion Pharmaceuticals 2019 shares outstanding were 0.225B, a 0.13% increase from 2018.
  • Alexion Pharmaceuticals 2018 shares outstanding were 0.225B, a 0.4% decline from 2017.
  • Alexion Pharmaceuticals 2017 shares outstanding were 0.225B, a 0.4% decline from 2016.
Alexion Pharmaceuticals Annual Shares Outstanding
(Millions of Shares)
2019 225
2018 225
2017 225
2016 226
2015 216
2014 202
2013 200
2012 199
2011 192
2010 186
2009 181
2008 180
2007 145
2006 127
2005 111
Alexion Pharmaceuticals Quarterly Shares Outstanding
(Millions of Shares)
2020-03-31 223
2019-12-31 225
2019-09-30 225
2019-06-30 226
2019-03-31 226
2018-12-31 225
2018-09-30 225
2018-06-30 223
2018-03-31 224
2017-12-31 225
2017-09-30 225
2017-06-30 226
2017-03-31 226
2016-12-31 226
2016-09-30 226
2016-06-30 226
2016-03-31 227
2015-12-31 216
2015-09-30 226
2015-06-30 205
2015-03-31 202
2014-12-31 202
2014-09-30 201
2014-06-30 202
2014-03-31 202
2013-12-31 200
2013-09-30 200
2013-06-30 199
2013-03-31 199
2012-12-31 199
2012-09-30 201
2012-06-30 197
2012-03-31 195
2011-12-31 192
2011-09-30 192
2011-06-30 191
2011-03-31 190
2010-12-31 186
2010-09-30 186
2010-06-30 185
2010-03-31 184
2009-12-31 181
2009-09-30 182
2009-06-30 180
2009-03-31 181
2008-12-31 180
2008-09-30 180
2008-06-30 158
2008-03-31 150
2007-12-31 145
2007-09-30 147
2007-06-30 144
2007-03-31 141
2006-12-31 127
2006-09-30 125
2006-06-30 125
2006-03-31 124
2005-12-31
2005-10-31 121
2005-09-30 118
2005-07-31 112
2005-06-30 112
2005-04-30 112
2005-03-31 112
2005-01-31 111
Sector Industry Market Cap Revenue
Medical Medical - Biomedical and Genetics $24.799B $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).
Stock Name Country Market Cap PE Ratio
Amgen (AMGN) United States $151.909B 16.73
Gilead Sciences (GILD) United States $95.771B 12.41
CSL (CSLLY) Australia $92.036B 0.00
Vertex Pharmaceuticals (VRTX) United States $75.476B 51.89
Regeneron Pharmaceuticals (REGN) United States $68.481B 26.40
Illumina (ILMN) United States $54.846B 56.36
Biogen (BIIB) United States $43.264B 7.41
Seattle Genetics (SGEN) United States $29.259B 0.00
SINO PHARMACEUT (SBMFF) Hong Kong, SAR China $23.288B 0.00
Incyte (INCY) United States $23.144B 0.00
BioMarin Pharmaceutical (BMRN) United States $22.927B 207.84
Genmab (GMAB) Denmark $21.830B 17.98
Moderna (MRNA) United States $21.743B 0.00
Genmab (GNMSF) Denmark $20.499B 60.86
Alnylam Pharmaceuticals (ALNY) United States $17.289B 0.00
BeiGene (BGNE) Cayman Islands $15.148B 0.00
BioNTech SE (BNTX) Germany $14.316B 0.00
Galapagos (GLPG) Belgium $13.070B 38.45
Exact Sciences (EXAS) United States $12.992B 0.00
Bio-Rad Laboratories (BIO.B) United States $12.955B 58.97
Sarepta Therapeutics (SRPT) United States $12.693B 0.00
ARGENX SE-ADR (ARGX) Netherlands $10.752B 0.00
Horizon Therapeutics Public (HZNP) Ireland $10.539B 25.93
Bio-Techne Corp (TECH) United States $10.289B 67.97
QIAGEN (QGEN) Netherlands $9.682B 28.15
Immunomedics (IMMU) United States $8.668B 0.00
ACADIA Pharmaceuticals (ACAD) United States $8.044B 0.00
Guardant Health (GH) United States $7.902B 0.00
Ascendis Pharma (ASND) Denmark $7.246B 0.00
Exelixis (EXEL) United States $7.200B 25.25
Repligen (RGEN) United States $6.625B 116.19
Adaptive Biotechnologies (ADPT) United States $6.026B 0.00
Acceleron Pharma (XLRN) United States $5.455B 0.00
Reata Pharmaceuticals (RETA) United States $5.246B 0.00
Ultragenyx Pharmaceutical (RARE) United States $5.133B 0.00
Mirati Therapeutics (MRTX) United States $5.106B 0.00
CRISPR Therapeutics AG (CRSP) Switzerland $4.938B 106.27
Vir Biotechnology (VIR) United States $4.754B 0.00
Novavax (NVAX) United States $4.732B 0.00
Zai Lab (ZLAB) China $4.712B 0.00
Emergent Biosolutions (EBS) United States $4.408B 28.89
MyoKardia (MYOK) United States $4.393B 0.00
MorphoSys AG (MOR) Germany $4.303B 33.38
Blueprint Medicines (BPMC) United States $4.289B 0.00
Global Blood Therapeutics (GBT) United States $4.134B 0.00
China Biologic Products (CBPO) China $4.101B 22.80
Amicus Therapeutics (FOLD) United States $4.007B 0.00
Halozyme Therapeutics (HALO) United States $3.872B 0.00
Momenta Pharmaceuticals (MNTA) United States $3.798B 0.00
NeoGenomics (NEO) United States $3.569B 260.62
Inovio Pharmaceuticals (INO) United States $3.391B 0.00
Bluebird Bio (BLUE) United States $3.311B 0.00
Arena Pharmaceuticals (ARNA) United States $3.176B 0.00
Deciphera Pharmaceuticals (DCPH) United States $3.168B 0.00
Alkermes (ALKS) Ireland $3.110B 61.22
Insmed (INSM) United States $2.988B 0.00
Fate Therapeutics (FATE) United States $2.813B 0.00
Denali Therapeutics (DNLI) United States $2.688B 0.00
Amarin (AMRN) Ireland $2.668B 0.00
Viela Bio (VIE) United States $2.178B 0.00
UniQure (QURE) Netherlands $2.018B 0.00
PHARMA MAR SA (PHMMF) Spain $2.014B 0.00
Eidos Therapeutics (EIDX) United States $1.899B 0.00
Dicerna Pharmaceuticals (DRNA) United States $1.897B 0.00
Twist Bioscience (TWST) United States $1.892B 0.00
Alector (ALEC) United States $1.882B 0.00
Principia Biopharma (PRNB) United States $1.850B 0.00
Ligand Pharmaceuticals (LGND) United States $1.792B 69.78
Editas Medicine (EDIT) United States $1.686B 0.00
I-Mab (IMAB) China $1.673B 0.00
Adverum Biotechnologies (ADVM) United States $1.672B 0.00
Zymeworks (ZYME) Canada $1.639B 0.00
Intra-Cellular Therapies (ITCI) United States $1.609B 0.00
Epizyme (EPZM) United States $1.599B 0.00
Intercept Pharmaceuticals (ICPT) United States $1.551B 0.00
Beam Therapeutics (BEAM) United States $1.486B 0.00
Mersana Therapeutics (MRSN) United States $1.480B 0.00
Cytokineticsorporated (CYTK) United States $1.477B 0.00
Sorrento Therapeutics (SRNE) United States $1.436B 0.00
Revance Therapeutics (RVNC) United States $1.434B 0.00
Akcea Therapeutics (AKCA) United States $1.428B 0.00
Zealand Pharma (ZEAL) Denmark $1.425B 0.00
REGENXBIO (RGNX) United States $1.419B 0.00
Mesoblast (MESO) Australia $1.403B 0.00
Zealand Pharma (ZLDPF) Denmark $1.369B 0.00
Sangamo Therapeutics (SGMO) United States $1.357B 0.00
Arvinas (ARVN) United States $1.326B 0.00
NGM Biopharmaceuticals (NGM) United States $1.308B 0.00
Coherus BioSciences (CHRS) United States $1.298B 9.06
Adaptimmune Therapeutics (ADAP) United Kingdom $1.274B 0.00
NantKwest (NK) United States $1.181B 0.00
Intellia Therapeutics (NTLA) United States $1.146B 0.00
Athenex (ATNX) United States $1.120B 0.00
Arcus Biosciences (RCUS) United States $1.107B 0.00
Compugen (CGEN) Israel $1.054B 0.00
Nabriva Therapeutics AG (NBRV) Ireland $0.969B 0.00
Alcobra (ARCT) United States $0.926B 0.00
Retrophin (RTRX) United States $0.897B 0.00
Heska (HSKA) United States $0.865B 0.00
Myriad Genetics (MYGN) United States $0.863B 44.54
BAVARIAN NORDIC (BVNRY) Denmark $0.834B 35.83
Intrexon (PGEN) United States $0.830B 0.00
Pharming Group (PHGUF) Netherlands $0.826B 22.00
Cara Therapeutics (CARA) United States $0.820B 0.00
Dynavax Technologies (DVAX) United States $0.799B 0.00
Morphic Holding (MORF) United States $0.796B 0.00
Cellectis S.A (CLLS) France $0.792B 0.00
Kadmon Holdings (KDMN) United States $0.755B 0.00
Bellus Health (BLU) Canada $0.726B 0.00
OXFORD BIOMEDCL (OXBDF) United Kingdom $0.713B 0.00
Codexis (CDXS) United States $0.712B 0.00
Frequency Therapeutics (FREQ) United States $0.702B 0.00
ZIOPHARM Oncology Inc (ZIOP) United States $0.694B 0.00
Vericel (VCEL) United States $0.682B 125.92
Agenus (AGEN) United States $0.673B 0.00
Castle Biosciences (CSTL) United States $0.662B 0.00
VBI Vaccines (VBIV) United States $0.662B 0.00
Cue Biopharma (CUE) United States $0.651B 0.00
Vanda Pharmaceuticals (VNDA) United States $0.646B 5.54
Sinovac Biotech (SVA) China $0.640B 20.87
AnaptysBio (ANAB) United States $0.615B 0.00
Autolus Therapeutics (AUTL) United Kingdom $0.598B 0.00
NextCure (NXTC) United States $0.583B 0.00
Orchard Therapeutics (ORTX) United Kingdom $0.577B 0.00
Kala Pharmaceuticals (KALA) United States $0.576B 0.00
Syros Pharmaceuticals (SYRS) United States $0.555B 0.00
MiMedx (MDXG) United States $0.552B 0.00
Basilea Pharmaceutica AG (BPMUF) Switzerland $0.545B 0.00
Anika Therapeutics (ANIK) United States $0.545B 17.52
Aquinox Pharmaceuticals (NLTX) United States $0.537B 0.00
UROGEN PHARMA (URGN) United States $0.530B 0.00
Syndax Pharmaceuticals (SNDX) United States $0.526B 0.00
Scholar Rock Holding (SRRK) United States $0.526B 0.00
Athersys (ATHX) United States $0.525B 0.00
Clovis Oncology (CLVS) United States $0.508B 0.00
DBV Technologies S.A (DBVT) France $0.491B 0.00
Protagonist Therapeutics (PTGX) United States $0.487B 0.00
AC Immune SA (ACIU) Switzerland $0.477B 0.00
MeiraGTx Holdings (MGTX) United States $0.460B 0.00
Merus (MRUS) Netherlands $0.459B 0.00
Xenon Pharmaceuticals (XENE) Canada $0.448B 0.00
BioDelivery Sciences (BDSI) United States $0.445B 23.37
Geron (GERN) United States $0.441B 0.00
Prothena (PRTA) Ireland $0.438B 0.00
Precision BioSciences (DTIL) United States $0.437B 0.00
Puma Biotechnology (PBYI) United States $0.415B 0.00
Avid Bioservices (CDMO) United States $0.407B 0.00
Aeglea BioTherapeutics (AGLE) United States $0.404B 0.00
Kamada (KMDA) Israel $0.393B 16.35
Prometic Life Sciences (LMNL) Canada $0.392B 0.00
Albireo Pharma (ALBO) United States $0.389B 0.00
CytomX Therapeutics (CTMX) United States $0.386B 0.00
MannKind (MNKD) United States $0.382B 0.00
ANI Pharmaceuticals (ANIP) United States $0.374B 7.41
Seres Therapeutics (MCRB) United States $0.362B 0.00
WAVE Life Sciences (WVE) Singapore $0.354B 0.00
Affimed (AFMD) Germany $0.348B 0.00
PDL BioPharma (PDLI) United States $0.339B 291.00
OSMOTICA PHARM (OSMT) United States $0.333B 0.00
Cellular Biomedicine (CBMG) United States $0.323B 0.00
Starpharma Holdings (SPHRY) Australia $0.310B 0.00
Menlo Therapeutics (MNLO) United States $0.283B 0.00
Celldex Therapeutics (CLDX) United States $0.280B 0.00
ChromaDex (CDXC) United States $0.279B 0.00
Bicycle Therapeutics (BCYC) United Kingdom $0.277B 0.00
AMAG Pharmaceuticals (AMAG) United States $0.276B 0.00
Spero Therapeutics (SPRO) United States $0.275B 0.00
Verastem (VSTM) United States $0.271B 0.00
IVERIC Bio (ISEE) United States $0.262B 0.00
Nymox Pharmaceutical (NYMX) Canada $0.261B 0.00
Northwest Biotherapeutics (NWBO) United States $0.251B 0.00
Dyadic (DYAI) United States $0.250B 0.00
ADMA Biologics Inc (ADMA) United States $0.250B 0.00
Gritstone Oncology (GRTS) United States $0.245B 0.00
Selecta Biosciences (SELB) United States $0.240B 0.00
Abeona Therapeutics (ABEO) United States $0.239B 0.00
HOOKIPA Pharma (HOOK) United States $0.235B 0.00
Aptinyx (APTX) United States $0.228B 0.00
Five Prime Therapeutics (FPRX) United States $0.224B 0.00
Pluristem Therapeutics (PSTI) Israel $0.222B 0.00
Paratek Pharmaceuticals (PRTK) United States $0.222B 0.00
Fortress Biotech (FBIO) United States $0.222B 0.00
Liquidia Technologies (LQDA) United States $0.221B 0.00
XOMA (XOMA) United States $0.221B 0.00
Exicure (XCUR) United States $0.216B 0.00
Lexicon Pharmaceuticals (LXRX) United States $0.208B 3.13
GENFIT S.A (GNFT) France $0.206B 0.00
Aduro Biotech (ADRO) United States $0.202B 0.00
Strongbridge Biopharma (SBBP) United States $0.200B 0.00
POXEL SA FRANCE (PXXLF) France $0.197B 0.00
ARAVIVE, INC (ARAV) United States $0.186B 0.00
Sutro Biopharma (STRO) United States $0.173B 0.00
Applied Genetic Technologies (AGTC) United States $0.166B 0.00
Aytu Bioscience (AYTU) United States $0.165B 0.00
Trevena (TRVN) United States $0.164B 0.00
Kindred Biosciences (KIN) United States $0.164B 0.00
Cyclerion Therapeutics (CYCN) United States $0.163B 0.00
Pieris Pharmaceuticals (PIRS) United States $0.160B 0.00
TELA Bio (TELA) United States $0.156B 0.00
VTv Therapeutics (VTVT) United States $0.154B 0.00
Cerecor (CERC) United States $0.153B 0.00
Theratechnologies (THTX) Canada $0.152B 0.00
Cidara Therapeutics (CDTX) United States $0.151B 0.00
Biofrontera AG (BFRA) Germany $0.148B 0.00
Celyad SA (CYAD) Belgium $0.142B 0.00
Celsion (CLSN) United States $0.136B 0.00
Lumos Pharma (LUMO) United States $0.134B 0.00
Orgenesis (ORGS) United States $0.130B 0.00
Arbutus Biopharma (ABUS) United States $0.130B 0.00
PHASEBIO PHARMA (PHAS) United States $0.126B 0.00
Catabasis Pharmaceuticals (CATB) United States $0.120B 0.00
AIT Therapeutics (XAIR) United States $0.119B 0.00
Oncobiologics (OTLK) United States $0.118B 0.00
Eton Pharmaceuticals (ETON) United States $0.115B 0.00
Enzo Biochem (ENZ) United States $0.111B 0.00
Checkpoint Therapeutics (CKPT) United States $0.110B 0.00
DiaMedica Therapeutics (DMAC) United States $0.101B 0.00
AquaBounty Technologies (AQB) United States $0.099B 0.00
Windtree Therapeutics (WINT) United States $0.096B 0.00
Antibe Therapeutics (ATBPF) Canada $0.092B 0.00
EYEPOINT PHARMACEUTICALS, INC (EYPT) United States $0.091B 0.00
Clearside Biomedical (CLSD) United States $0.087B 0.00
Cardiff Oncology (CRDF) United States $0.083B 0.00
Emmaus Life Sciences (EMMA) United States $0.082B 0.00
Organovo Holdings (ONVO) United States $0.081B 0.00
Cocrystal Pharma (COCP) United States $0.080B 0.00
Adocia (ADOCY) France $0.080B 0.00
AVEO Pharmaceuticals (AVEO) United States $0.079B 0.00
SESEN BIO, INC (SESN) United States $0.078B 0.00
ANIXA BIOSCIENCES INC (ANIX) United States $0.073B 0.00
Proteostasis Therapeutics (PTI) United States $0.071B 0.00
Happiness Biotech Group (HAPP) China $0.070B 0.00
Catalyst Biosciences (CBIO) United States $0.070B 0.00
AnPac Bio-Medical Science (ANPC) China $0.069B 0.00
Synlogic (SYBX) United States $0.064B 0.00
Stealth BioTherapeutics (MITO) United States $0.064B 0.00
ASLAN Pharmaceuticals (ASLN) Singapore $0.063B 0.00
Idera Pharmaceuticals (IDRA) United States $0.062B 0.00
Ecology Coatings (ABVC) United States $0.058B 0.00
CollPlant Holdings (CLGN) Israel $0.057B 0.00
Aridis Pharmaceuticals (ARDS) United States $0.056B 0.00
Signal Genetics (MGEN) United States $0.056B 0.00
Vaccinex (VCNX) United States $0.055B 0.00
Soligenix (SNGX) United States $0.052B 0.00
Vascular Biogenics (VBLT) Israel $0.051B 0.00
Aerpio Pharmaceuticals (ARPO) United States $0.051B 0.00
Apricus Biosciences (SEEL) United States $0.046B 0.00
Edesa Biotech (EDSA) Canada $0.044B 0.00
Pulmatrix (PULM) United States $0.044B 0.00
Curis (CRIS) United States $0.043B 0.00
Prima BioMed (IMMP) Australia $0.041B 0.00
Bionano Genomics (BNGO) United States $0.041B 0.00
ATyr Pharma (LIFE) United States $0.040B 0.00
Acorda Therapeutics (ACOR) United States $0.035B 0.00
Cesca Therapeutics (THMO) United States $0.035B 0.00
Advaxis (ADXS) United States $0.034B 0.00
Chanticleer Holdings (SONN) United States $0.033B 0.00
OvaScience (MLND) United States $0.033B 0.00
Sunesis Pharmaceuticals (SNSS) United States $0.032B 0.00
Aptevo Therapeutics (APVO) United States $0.030B 0.00
Alimera Sciences (ALIM) United States $0.029B 0.00
Titan Pharmaceuticals (TTNP) United States $0.029B 0.00
Spherix (AIKI) United States $0.028B 0.00
IMMURON (IMRN) Australia $0.026B 0.00
Evogene (EVGN) Israel $0.026B 0.00
Cleveland BioLabs (CBLI) United States $0.026B 0.00
Novogen (KZIA) Australia $0.025B 0.00
FORTE BIOSCIENC (FBRX) United States $0.024B 0.00
Prana Biotechnology (ATHE) Australia $0.023B 0.00
Cyclacel Pharmaceuticals (CYCC) United States $0.022B 0.00
Genetic Technologies (GENE) Australia $0.021B 0.00
Entera Bio (ENTX) Israel $0.020B 0.00
MYOS RENS Technology (MYOS) United States $0.019B 0.00
BioCardia (BCDA) United States $0.016B 0.00
VIVUS (VVUS) United States $0.014B 0.00
Unum Therapeutics (UMRX) United States $0.014B 0.00
Neuralstem (SNCA) United States $0.013B 0.00
TRACON Pharmaceuticals (TCON) United States $0.011B 0.00
AEterna Zentaris (AEZS) United States $0.009B 0.00
Benitec Biopharma (BNTC) Australia $0.008B 0.00
Innate Pharma S.A (IPHA) France $0.000B 0.00