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Prothena - Stock Price History | PRTA

Historical daily share price chart and data for Prothena since 2020 adjusted for splits. The latest closing stock price for Prothena as of October 19, 2020 is 11.12.
  • The all-time high Prothena stock closing price was 75.31 on November 27, 2015.
  • The Prothena 52-week high stock price is 17.63, which is 58.5% above the current share price.
  • The Prothena 52-week low stock price is 7.10, which is 36.2% below the current share price.
  • The average Prothena stock price for the last 52 weeks is 11.69.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
  
Prothena Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2019 10.5694 10.5000 17.0100 6.8900 15.8300 53.69%
2018 20.4841 37.8000 45.0400 8.7300 10.3000 -72.53%
2017 54.5062 49.7900 67.7500 35.4400 37.4900 -23.79%
2016 47.9551 62.2200 67.6400 30.1200 49.1900 -27.78%
2015 46.1863 20.3500 75.3100 19.0500 68.1100 228.08%
2014 24.7390 28.1000 48.3000 17.2600 20.7600 -21.72%
2013 14.7389 7.0000 29.0400 5.8400 26.5200 261.80%
2012 6.9833 7.2000 7.3300 6.8000 7.3300 0.00%
Sector Industry Market Cap Revenue
Medical Medical - Biomedical and Genetics $0.454B $0.001B
Prothena Corporation plc is a biotechnology company focused on the discovery and development of therapeutic monoclonal antibodies for disease-causing proteins. The Company is developing the following programs: NEOD001 for Amyloidosis, NEOD002 for Parkinson's disease, MCAM for Inflammatory disease and Metastatic Cancer and Tau for Alzheimer's disease. Prothena Corporation plc is headquartered in Dublin, Ireland.
Stock Name Country Market Cap PE Ratio
Bristol Myers Squibb (BMY) United States $138.567B 10.67
Amgen (AMGN) United States $138.060B 14.99
CSL (CSLLY) Australia $97.403B 0.00
Gilead Sciences (GILD) United States $77.731B 11.19
Regeneron Pharmaceuticals (REGN) United States $63.808B 24.40
Vertex Pharmaceuticals (VRTX) United States $56.803B 31.70
Illumina (ILMN) United States $47.641B 55.40
Biogen (BIIB) United States $44.329B 7.59
Seattle Genetics (SGEN) United States $34.961B 0.00
Moderna (MRNA) United States $29.176B 0.00
BeiGene (BGNE) Cayman Islands $28.695B 0.00
Alexion Pharmaceuticals (ALXN) United States $27.206B 11.34
Genmab (GMAB) Denmark $24.097B 15.20
Genmab (GNMSF) Denmark $22.720B 5.23
BioNTech SE (BNTX) Germany $21.289B 0.00
Immunomedics (IMMU) United States $20.239B 0.00
SINO PHARMACEUT (SBMFF) Hong Kong, SAR China $19.827B 0.00
Incyte (INCY) United States $19.821B 0.00
Alnylam Pharmaceuticals (ALNY) United States $16.862B 0.00
Horizon Therapeutics Public (HZNP) Ireland $16.440B 38.47
Bio-Rad Laboratories (BIO.B) United States $15.730B 71.14
Exact Sciences (EXAS) United States $15.515B 0.00
BioMarin Pharmaceutical (BMRN) United States $14.372B 104.28
ARGENX SE-ADR (ARGX) Netherlands $12.687B 0.00
QIAGEN (QGEN) Netherlands $11.916B 30.24
MyoKardia (MYOK) United States $11.767B 0.00
Sarepta Therapeutics (SRPT) United States $11.181B 0.00
Bio-Techne Corp (TECH) United States $10.243B 70.28
Guardant Health (GH) United States $10.042B 0.00
Repligen (RGEN) United States $8.966B 142.31
Mirati Therapeutics (MRTX) United States $8.847B 0.00
Galapagos (GLPG) Belgium $8.418B 30.46
Ascendis Pharma (ASND) Denmark $8.374B 0.00
CRISPR Therapeutics AG (CRSP) Switzerland $7.707B 238.76
Exelixis (EXEL) United States $7.178B 26.10
Adaptive Biotechnologies (ADPT) United States $7.019B 0.00
Acceleron Pharma (XLRN) United States $6.997B 0.00
ACADIA Pharmaceuticals (ACAD) United States $6.719B 0.00
Novavax (NVAX) United States $6.559B 0.00
SWEDISH ORP BIO (BIOVF) Sweden $5.832B 15.93
Blueprint Medicines (BPMC) United States $5.656B 0.00
Ultragenyx Pharmaceutical (RARE) United States $5.572B 0.00
Emergent Biosolutions (EBS) United States $5.233B 20.73
Vir Biotechnology (VIR) United States $5.011B 0.00
NeoGenomics (NEO) United States $4.770B 1439.67
Denali Therapeutics (DNLI) United States $4.679B 0.00
Arena Pharmaceuticals (ARNA) United States $4.665B 0.00
China Biologic Products (CBPO) China $4.479B 26.59
Amicus Therapeutics (FOLD) United States $4.443B 0.00
Twist Bioscience (TWST) United States $4.239B 0.00
Fate Therapeutics (FATE) United States $4.224B 0.00
Halozyme Therapeutics (HALO) United States $3.940B 0.00
Global Blood Therapeutics (GBT) United States $3.860B 0.00
Reata Pharmaceuticals (RETA) United States $3.790B 0.00
Bluebird Bio (BLUE) United States $3.715B 0.00
MorphoSys AG (MOR) Germany $3.688B 48.33
Insmed (INSM) United States $3.684B 0.00
Legend Biotech (LEGN) United States $3.632B 0.00
Deciphera Pharmaceuticals (DCPH) United States $3.321B 0.00
Eidos Therapeutics (EIDX) United States $2.938B 0.00
PHARMA MAR SA (PHMMF) Spain $2.876B 0.00
Alkermes (ALKS) Ireland $2.724B 57.10
Seres Therapeutics (MCRB) United States $2.597B 0.00
Sorrento Therapeutics (SRNE) United States $2.434B 0.00
I-Mab (IMAB) China $2.319B 0.00
Zymeworks (ZYME) Canada $2.097B 0.00
Editas Medicine (EDIT) United States $2.096B 0.00
Forma Therapeutics Holdings (FMTX) United States $2.054B 0.00
Amarin (AMRN) Ireland $2.014B 0.00
Inovio Pharmaceuticals (INO) United States $1.985B 0.00
Viela Bio (VIE) United States $1.831B 0.00
BAVARIAN NORDIC (BVNRY) Denmark $1.817B 20.35
Intra-Cellular Therapies (ITCI) United States $1.773B 0.00
Revance Therapeutics (RVNC) United States $1.689B 0.00
Beam Therapeutics (BEAM) United States $1.687B 0.00
Zealand Pharma (ZEAL) Denmark $1.597B 0.00
UniQure (QURE) Netherlands $1.589B 0.00
Sangamo Therapeutics (SGMO) United States $1.571B 0.00
Ligand Pharmaceuticals (LGND) United States $1.565B 52.89
Intellia Therapeutics (NTLA) United States $1.534B 0.00
Dicerna Pharmaceuticals (DRNA) United States $1.522B 0.00
Zealand Pharma (ZLDPF) Denmark $1.483B 0.00
Arcus Biosciences (RCUS) United States $1.364B 0.00
Epizyme (EPZM) United States $1.358B 0.00
Alcobra (ARCT) United States $1.349B 0.00
Coherus BioSciences (CHRS) United States $1.297B 7.56
Mesoblast (MESO) Australia $1.279B 0.00
Northwest Biotherapeutics (NWBO) United States $1.238B 0.00
Mersana Therapeutics (MRSN) United States $1.223B 0.00
Cytokineticsorporated (CYTK) United States $1.161B 0.00
Intercept Pharmaceuticals (ICPT) United States $1.148B 0.00
NGM Biopharmaceuticals (NGM) United States $1.136B 0.00
Nabriva Therapeutics AG (NBRV) Ireland $1.124B 0.00
Retrophin (RTRX) United States $1.114B 0.00
Compugen (CGEN) Israel $1.082B 0.00
REGENXBIO (RGNX) United States $1.073B 0.00
Genetron Holdings (GTH) China $1.042B 0.00
Athenex (ATNX) United States $1.022B 0.00
NantKwest (NK) United States $0.995B 0.00
Adverum Biotechnologies (ADVM) United States $0.995B 0.00
Heska (HSKA) United States $0.992B 0.00
Castle Biosciences (CSTL) United States $0.984B 0.00
Myriad Genetics (MYGN) United States $0.967B 0.00
Arvinas (ARVN) United States $0.937B 0.00
Vericel (VCEL) United States $0.936B 0.00
Pliant Therapeutics (PLRX) United States $0.881B 0.00
Intrexon (PGEN) United States $0.863B 0.00
Morphic Holding (MORF) United States $0.843B 0.00
Cellectis S.A (CLLS) France $0.836B 0.00
Codexis (CDXS) United States $0.832B 0.00
Adaptimmune Therapeutics (ADAP) United Kingdom $0.821B 0.00
Alector (ALEC) United States $0.816B 0.00
OXFORD BIOMEDCL (OXBDF) United Kingdom $0.804B 0.00
Agenus (AGEN) United States $0.803B 0.00
Protagonist Therapeutics (PTGX) United States $0.766B 0.00
Frequency Therapeutics (FREQ) United States $0.743B 0.00
MiMedx (MDXG) United States $0.724B 0.00
Kadmon Holdings (KDMN) United States $0.685B 0.00
Syndax Pharmaceuticals (SNDX) United States $0.678B 0.00
Pharming Group (PHGUF) Netherlands $0.670B 15.29
VBI Vaccines (VBIV) United States $0.666B 0.00
AnaptysBio (ANAB) United States $0.657B 0.00
Cara Therapeutics (CARA) United States $0.656B 0.00
Sinovac Biotech (SVA) China $0.640B 43.13
Cel-Sci (CVM) United States $0.619B 0.00
Celldex Therapeutics (CLDX) United States $0.617B 0.00
Geron (GERN) United States $0.599B 0.00
Vanda Pharmaceuticals (VNDA) United States $0.590B 5.16
ZIOPHARM Oncology Inc (ZIOP) United States $0.580B 0.00
Basilea Pharmaceutica AG (BPMUF) Switzerland $0.580B 0.00
IVERIC Bio (ISEE) United States $0.571B 0.00
Autolus Therapeutics (AUTL) United Kingdom $0.551B 0.00
Anika Therapeutics (ANIK) United States $0.548B 23.94
Clovis Oncology (CLVS) United States $0.529B 0.00
Aquinox Pharmaceuticals (NLTX) United States $0.520B 0.00
Albireo Pharma (ALBO) United States $0.519B 0.00
MeiraGTx Holdings (MGTX) United States $0.506B 0.00
Dynavax Technologies (DVAX) United States $0.486B 0.00
UROGEN PHARMA (URGN) United States $0.477B 0.00
AMAG Pharmaceuticals (AMAG) United States $0.470B 0.00
Cue Biopharma (CUE) United States $0.463B 0.00
MannKind (MNKD) United States $0.458B 0.00
Avid Bioservices (CDMO) United States $0.453B 0.00
Kala Pharmaceuticals (KALA) United States $0.451B 0.00
Orchard Therapeutics (ORTX) United Kingdom $0.440B 0.00
Forte Biosciences (FBRX) United States $0.435B 0.00
Starpharma Holdings (SPHRY) Australia $0.428B 0.00
Amryt Pharma (AMYT) United Kingdom $0.428B 0.00
Scholar Rock Holding (SRRK) United States $0.424B 0.00
Sutro Biopharma (STRO) United States $0.424B 0.00
Xenon Pharmaceuticals (XENE) Canada $0.395B 0.00
Puma Biotechnology (PBYI) United States $0.390B 0.00
Trevena (TRVN) United States $0.387B 0.00
Syros Pharmaceuticals (SYRS) United States $0.384B 0.00
Merus (MRUS) Netherlands $0.379B 0.00
BioDelivery Sciences (BDSI) United States $0.372B 26.36
IBio (IBIO) United States $0.370B 0.00
Athersys (ATHX) United States $0.369B 0.00
ANI Pharmaceuticals (ANIP) United States $0.367B 8.66
Aeglea BioTherapeutics (AGLE) United States $0.364B 0.00
Precision BioSciences (DTIL) United States $0.357B 0.00
Cellular Biomedicine (CBMG) United States $0.357B 0.00
Kamada (KMDA) Israel $0.354B 16.92
Cardiff Oncology (CRDF) United States $0.353B 0.00
AC Immune SA (ACIU) Switzerland $0.350B 0.00
Bicycle Therapeutics (BCYC) United Kingdom $0.340B 0.00
Spero Therapeutics (SPRO) United States $0.335B 0.00
Innate Pharma S.A (IPHA) France $0.329B 0.00
WAVE Life Sciences (WVE) Singapore $0.325B 0.00
CytomX Therapeutics (CTMX) United States $0.317B 0.00
NextCure (NXTC) United States $0.313B 0.00
ChromaDex (CDXC) United States $0.308B 0.00
Osmotica Pharmaceuticals (OSMT) United States $0.308B 0.00
Pluristem Therapeutics (PSTI) Israel $0.273B 0.00
Affimed (AFMD) Germany $0.271B 0.00
Selecta Biosciences (SELB) United States $0.267B 0.00
PDL BioPharma (PDLI) United States $0.264B 0.00
Arbutus Biopharma (ABUS) United States $0.248B 0.00
Fortress Biotech (FBIO) United States $0.243B 0.00
XOMA (XOMA) United States $0.234B 0.00
Paratek Pharmaceuticals (PRTK) United States $0.232B 0.00
TELA Bio (TELA) United States $0.231B 0.00
Verastem (VSTM) United States $0.222B 0.00
Five Prime Therapeutics (FPRX) United States $0.218B 0.00
HOOKIPA Pharma (HOOK) United States $0.213B 0.00
ADMA Biologics Inc (ADMA) United States $0.196B 0.00
Lineage Cell Therapeutics (LCTX) United States $0.195B 0.00
Dyadic (DYAI) United States $0.190B 0.00
POXEL SA FRANCE (PXXLF) France $0.185B 0.00
DBV Technologies S.A (DBVT) France $0.183B 0.00
CorMedix Inc (CRMD) United States $0.181B 0.00
Cerecor (CERC) United States $0.181B 0.00
Aptinyx (APTX) United States $0.175B 0.00
Theratechnologies (THTX) Canada $0.175B 0.00
Prometic Life Sciences (LMNL) Canada $0.174B 0.00
Exicure (XCUR) United States $0.173B 0.00
Nymox Pharmaceutical (NYMX) Canada $0.172B 0.00
VolitionRX (VNRX) United States $0.171B 0.00
Kindred Biosciences (KIN) United States $0.169B 0.00
Biofrontera AG (BFRA) Germany $0.168B 0.00
GENFIT S.A (GNFT) France $0.167B 0.00
Eton Pharmaceuticals (ETON) United States $0.162B 0.00
AVEO Pharmaceuticals (AVEO) United States $0.158B 0.00
Lexicon Pharmaceuticals (LXRX) United States $0.157B 7.35
Checkpoint Therapeutics (CKPT) United States $0.156B 0.00
Nicox SA (NICXF) France $0.149B 0.00
Bellus Health (BLU) Canada $0.144B 0.00
AquaBounty Technologies (AQB) United States $0.142B 0.00
Catalyst Biosciences (CBIO) United States $0.141B 0.00
Applied Genetic Technologies (AGTC) United States $0.141B 0.00
SESEN BIO, INC (SESN) United States $0.132B 0.00
Cidara Therapeutics (CDTX) United States $0.132B 0.00
Aytu Bioscience (AYTU) United States $0.130B 0.00
Pieris Pharmaceuticals (PIRS) United States $0.125B 0.00
VTv Therapeutics (VTVT) United States $0.122B 0.00
Strongbridge Biopharma (SBBP) United States $0.121B 0.00
Catabasis Pharmaceuticals (CATB) United States $0.119B 0.00
Protalix BioTherapeutics (PLX) Israel $0.118B 0.00
Lumos Pharma (LUMO) United States $0.118B 0.00
Abeona Therapeutics (ABEO) United States $0.114B 0.00
Celyad SA (CYAD) Belgium $0.114B 0.00
Gritstone Oncology (GRTS) United States $0.112B 0.00
Oncobiologics (OTLK) United States $0.112B 0.00
Windtree Therapeutics (WINT) United States $0.111B 0.00
Orgenesis (ORGS) United States $0.109B 5.55
Unum Therapeutics (COGT) United States $0.109B 0.00
Liquidia Technologies (LQDA) United States $0.108B 0.00
Enzo Biochem (ENZ) United States $0.103B 0.00
Antibe Therapeutics (ATBPF) Canada $0.102B 0.00
AIT Therapeutics (XAIR) United States $0.101B 0.00
PhaseBio Pharaceuticals (PHAS) United States $0.101B 0.00
Palatin Technologies (PTN) United States $0.100B 0.00
Cyclerion Therapeutics (CYCN) United States $0.100B 0.00
Evogene (EVGN) Israel $0.098B 0.00
Ecology Coatings (ABVC) United States $0.087B 0.00
DiaMedica Therapeutics (DMAC) United States $0.086B 0.00
ARAVIVE, INC (ARAV) United States $0.082B 0.00
Idera Pharmaceuticals (IDRA) United States $0.080B 0.00
Bionano Genomics (BNGO) United States $0.079B 0.00
Stealth BioTherapeutics (MITO) United States $0.074B 71.00
Edesa Biotech (EDSA) Canada $0.072B 0.00
Aridis Pharmaceuticals (ARDS) United States $0.069B 0.00
Synlogic (SYBX) United States $0.069B 0.00
Curis (CRIS) United States $0.068B 0.00
Clearside Biomedical (CLSD) United States $0.068B 0.00
Adocia (ADOCY) France $0.067B 0.00
Appili Therapeutics (APLIF) Canada $0.066B 0.00
Prima BioMed (IMMP) Australia $0.066B 0.00
ASLAN Pharmaceuticals (ASLN) Singapore $0.066B 0.00
Proteostasis Therapeutics (PTI) United States $0.064B 0.00
Organovo Holdings (ONVO) United States $0.063B 0.00
ANIXA BIOSCIENCES INC (ANIX) United States $0.063B 0.00
AmpliPhi Biosciences (ARMP) United States $0.062B 0.00
EYEPOINT PHARMACEUTICALS, INC (EYPT) United States $0.060B 0.00
TRACON Pharmaceuticals (TCON) United States $0.060B 0.00
Aerpio Pharmaceuticals (ARPO) United States $0.057B 0.00
Soligenix (SNGX) United States $0.053B 0.00
Vascular Biogenics (VBLT) Israel $0.051B 0.00
Genetic Technologies (GENE) Australia $0.048B 0.00
Cocrystal Pharma (COCP) United States $0.047B 0.00
Happiness Biotech Group (HAPP) China $0.044B 0.00
IMMURON (IMRN) Australia $0.043B 0.00
Novogen (KZIA) Australia $0.042B 0.00
CollPlant Holdings (CLGN) Israel $0.041B 0.00
Pulmatrix (PULM) United States $0.041B 0.00
Vaccinex (VCNX) United States $0.040B 0.00
AnPac Bio-Medical Science (ANPC) China $0.039B 0.00
Apricus Biosciences (SEEL) United States $0.039B 0.00
Chanticleer Holdings (SONN) United States $0.037B 0.00
ATyr Pharma (LIFE) United States $0.034B 0.00
OvaScience (MLND) United States $0.034B 0.00
Acorda Therapeutics (ACOR) United States $0.032B 0.00
Signal Genetics (MGEN) United States $0.031B 0.00
Cleveland BioLabs (CBLI) United States $0.030B 0.00
BioCardia (BCDA) United States $0.029B 0.00
Advaxis (ADXS) United States $0.027B 0.00
Prana Biotechnology (ATHE) Australia $0.027B 0.00
Sunesis Pharmaceuticals (SNSS) United States $0.025B 0.00
Alimera Sciences (ALIM) United States $0.024B 0.00
PLANET GREEN HOLDINGS CORP (PLAG) China $0.023B 0.00
Aptevo Therapeutics (APVO) United States $0.023B 0.00
Celsion (CLSN) United States $0.023B 0.00
Spherix (AIKI) United States $0.020B 0.00
AEterna Zentaris (AEZS) United States $0.020B 0.00
Cyclacel Pharmaceuticals (CYCC) United States $0.019B 0.00
Cesca Therapeutics (THMO) United States $0.019B 0.00
MYOS RENS Technology (MYOS) United States $0.016B 0.00
Titan Pharmaceuticals (TTNP) United States $0.014B 0.00
BioPharmX (TMBR) United States $0.013B 0.00
Neuralstem (SNCA) United States $0.011B 0.00
Benitec Biopharma (BNTC) Australia $0.003B 0.00
GeoVax Labs (GOVX) United States $0.002B 0.00
Entera Bio (ENTX) Israel $0.000B 0.00
Zai Lab (ZLAB) China $0.000B 0.00