Ionis Pharmaceuticals - 15 Year Stock Price History | IONS

Historical daily share price chart and data for Ionis Pharmaceuticals since 2011 adjusted for splits and dividends. The latest closing stock price for Ionis Pharmaceuticals as of June 17, 2026 is 74.31.
  • The all-time high Ionis Pharmaceuticals stock closing price was 86.50 on February 06, 2026.
  • The Ionis Pharmaceuticals 52-week high stock price is 86.74, which is 16.7% above the current share price.
  • The Ionis Pharmaceuticals 52-week low stock price is 36.45, which is 50.9% below the current share price.
  • The average Ionis Pharmaceuticals stock price for the last 52 weeks is 68.30.
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Ionis Pharmaceuticals Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 77.0273 79.6700 86.5000 69.6800 74.3100 -6.07%
2025 47.7503 34.6900 82.7300 25.5100 79.1100 126.29%
2024 43.1008 52.8700 53.5500 33.7300 34.9600 -30.90%
2023 41.3095 37.5800 51.6300 33.5800 50.5900 33.94%
2022 38.7002 32.6000 48.6600 29.8800 37.7700 24.12%
2021 40.8556 56.7800 63.7800 25.6100 30.4300 -46.18%
2020 54.1692 60.8900 63.4000 41.6000 56.5400 -6.41%
2019 64.9707 53.7700 86.1400 52.9200 60.4100 11.75%
2018 48.2373 49.2500 59.5400 40.5300 54.0600 7.48%
2017 49.6931 47.3400 64.3900 37.9100 50.3000 5.16%
2016 35.8627 61.6800 61.6800 20.6200 47.8300 -22.77%
2015 59.1678 61.5700 77.0800 38.0400 61.9300 0.31%
2014 41.1384 39.8700 65.0900 22.9800 61.7400 54.97%
2013 25.5855 10.8200 41.6800 10.4900 39.8400 281.61%
2012 10.2666 7.2500 15.4100 7.0900 10.4400 44.80%
Sector Industry Market Cap Revenue
Medical Medical - Drug Manufacturing $12.417B $0.944B
Ionis Pharmaceuticals discovers/develops RNA-targeted therapeutics using its proprietary antisense oligonucleotide technology. Its antisense medicines have been developed/are being developed to treat neurological, cardiovascular and specialty rare diseases.
Stock Name Country Market Cap PE Ratio
Chugai Pharmaceutical (CHGCY) Japan $89.845B 31.38
UCB SA (UCBJY) Belgium $60.713B 0.00
Takeda Pharmaceutical (TAK) Japan $57.538B 11.30
Zoetis (ZTS) United States $49.577B 18.36
Sandoz Group AG (SDZNY) Switzerland $37.136B 0.00
Otsuka Holdings, - (OTSKY) Japan $36.393B 14.73
BeOne Medicines - (ONC) Switzerland $33.976B 83.02
Daiichi Sankyo, - (DSNKY) Japan $33.284B 16.12
Astellas Pharma (ALPMY) Japan $29.805B 11.68
United Therapeutics (UTHR) United States $25.058B 20.49
Shionogi (SGIOY) Japan $18.069B 13.97
Merck (MKKGY) Germany $16.944B 11.65
IPSEN (IPSEY) France $16.273B 0.00
Summit Therapeutics (SMMT) United States $15.264B 0.00
Neurocrine Biosciences (NBIX) United States $12.936B 27.96
Madrigal Pharmaceuticals (MDGL) United States $11.920B 0.00
Recordati Industria Chimica E Farmaceutica S.P.A (RCDTF) Italy $11.749B 16.23
Orion OYJ (ORINY) Finland $10.723B 18.62
Eisai (ESAIY) $9.158B 0.00
Ono Pharmaceutical (OPHLF) Japan $6.834B 16.35
Centessa Pharmaceuticals (CNTA) United Kingdom $6.102B 0.00
Grifols, S.A (GRFS) Spain $5.588B 0.00
Corcept Therapeutics (CORT) United States $4.458B 51.11
Crinetics Pharmaceuticals (CRNX) United States $4.130B 0.00
Stevanato Group S.p.A (STVN) Italy $4.094B 22.53
NewAmsterdam Pharma (NAMS) Netherlands $3.997B 0.00
AMNEAL PHARMACEUTICALS, INC (AMRX) United States $3.945B 16.50
Hikma Pharmaceuticals Plc (HKMPF) United Kingdom $3.838B 0.00
Indivior Pharmaceuticals (INDV) United States $3.724B 12.41
Hypermarcas (HYPMY) Brazil $3.308B 13.82
Dyne Therapeutics (DYN) United States $3.086B 0.00
Catalyst Pharmaceuticals (CPRX) United States $3.046B 9.86
Oruka Therapeutics (ORKA) United States $2.952B 0.00
Soleno Therapeutics (SLNO) United States $2.717B 228.83
Enliven Therapeutics (ELVN) United States $2.710B 0.00
Relay Therapeutics (RLAY) United States $2.670B 0.00
Guardian Pharmacy Services (GRDN) United States $2.479B 41.65
BioCryst Pharmaceuticals (BCRX) United States $2.398B 7.19
Nektar Therapeutics (NKTR) United States $2.223B 0.00
Definium Therapeutics (DFTX) United States $2.147B 0.00
Avadel Pharmaceuticals (AVDL) Ireland $2.113B 0.00
Aurinia Pharmaceuticals Inc (AUPH) Canada $2.096B 19.46
Ocular Therapeutix (OCUL) United States $1.914B 0.00
Amylyx Pharmaceuticals (AMLX) United States $1.808B 0.00
Ardelyx (ARDX) United States $1.516B 0.00
Harrow (HROW) United States $1.338B 79.84
Savara (SVRA) United States $1.158B 0.00
Collegium Pharmaceutical (COLL) United States $1.149B 5.37
Xeris Biopharma Holdings (XERS) United States $1.009B 0.00
KalVista Pharmaceuticals (KALV) United States $0.993B 0.00
Cronos Group (CRON) Canada $0.971B 0.00
Evotec AG (EVO) Germany $0.935B 0.00
Xencor (XNCR) United States $0.911B 0.00
Aktis Oncology (AKTS) United States $0.901B 0.00
Theravance Biopharma (TBPH) United States $0.842B 21.80
ARS Pharmaceuticals (SPRY) United States $0.799B 0.00
Relmada Therapeutics (RLMD) United States $0.765B 0.00
Bioventus (BVS) United States $0.753B 13.32
Ironwood Pharmaceuticals (IRWD) United States $0.592B 15.78
ProKidney (PROK) United States $0.589B 0.00
Esperion Therapeutics (ESPR) United States $0.557B 0.00
Zevra Therapeutics (ZVRA) United States $0.556B 9.19
Rigel Pharmaceuticals (RIGL) United States $0.540B 4.49
Lyell Immunopharma (LYEL) United States $0.522B 0.00
Larimar Therapeutics (LRMR) United States $0.504B 0.00
4D Molecular Therapeutics (FDMT) United States $0.501B 0.00
Aquestive Therapeutics (AQST) United States $0.498B 0.00
Aclaris Therapeutics (ACRS) United States $0.487B 0.00
Nature's Sunshine Products (NATR) United States $0.471B 21.37
Lexeo Therapeutics (LXEO) United States $0.443B 0.00
Altimmune (ALT) United States $0.422B 0.00
Elite Pharmaceuticals (ELTP) United States $0.409B 37.99
Century Therapeutics (IPSC) United States $0.404B 0.00
Akebia Therapeutics (AKBA) United States $0.375B 0.00
USANA Health Sciences (USNA) United States $0.334B 9.43
AleAnna (ANNA) United States $0.333B 124.75
Surrozen (SRZN) United States $0.324B 0.00
Siga Technologies (SIGA) United States $0.312B 14.06
Avalo Therapeutics (AVTX) United States $0.311B 0.00
Organogenesis (ORGO) United States $0.306B 8.81
Silence Therapeutics (SLN) United Kingdom $0.271B 0.00
Cybin (HELP) Canada $0.270B 0.00
Protara Therapeutics (TARA) United States $0.268B 0.00
Prelude Therapeutics (PRLD) United States $0.257B 0.00
Minerva Neurosciences (NERV) United States $0.238B 0.00
Procaps Group, S.A (PROCF) Luxembourg $0.230B 0.00
MediWound (MDWD) Israel $0.229B 0.00
Context Therapeutics (CNTX) United States $0.229B 0.00
Enlivex (ENLV) Israel $0.228B 0.00
Inhibikase Therapeutics (IKT) United States $0.224B 0.00
Profound Medical (PROF) Canada $0.216B 0.00
OmniAb (OABI) United States $0.213B 0.00
Achieve Life Sciences (ACHV) Canada $0.186B 0.00
Korro Bio (KRRO) United States $0.183B 0.00
Corbus Pharmaceuticals Holdings (CRBP) United States $0.174B 0.00
Unicycive Therapeutics (UNCY) United States $0.167B 0.00
Tonix Pharmaceuticals Holding (TNXP) United States $0.167B 0.00
Heron Therapeutics (HRTX) United States $0.161B 0.00
Cardiol Therapeutics (CRDL) Canada $0.154B 0.00
Avita Medical (RCEL) United States $0.154B 0.00
VAXART, INC (VXRT) United States $0.152B 10.50
Galectin Therapeutics (GALT) United States $0.151B 0.00
Karyopharm Therapeutics (KPTI) United States $0.147B 0.00
Journey Medical (DERM) United States $0.141B 0.00
Assertio Holdings (ASRT) United States $0.116B 0.00
Innate Pharma SA (IPHYF) France $0.115B 0.00
Aldeyra Therapeutics (ALDX) United States $0.107B 0.00
Pyxis Oncology (PYXS) United States $0.107B 0.00
Cassava Sciences (SAVA) United States $0.101B 0.00
Vivani Medical (VANI) United States $0.088B 0.00
Verrica Pharmaceuticals (VRCA) United States $0.088B 0.00
PolyPid (PYPD) Israel $0.082B 0.00
Nuo Therapeutics (AURX) $0.082B 0.00
Champions Oncology (CSBR) United States $0.080B 0.00
Gain Therapeutics (GANX) United States $0.076B 0.00
NRx Pharmaceuticals (NRXP) United States $0.073B 0.00
Fractyl Health (GUTS) United States $0.073B 0.00
PMV Pharmaceuticals (PMVP) United States $0.070B 0.00
Rafael Holdings (RFL) United States $0.066B 0.00
Dominari Holdings (DOMH) United States $0.065B 0.00
Acrivon Therapeutics (ACRV) United States $0.060B 0.00
ElectroCore (ECOR) United States $0.049B 0.00
Nutriband (NTRB) United States $0.047B 0.00
Cumberland Pharmaceuticals (CPIX) United States $0.046B 34.33
SCYNEXIS (SCYX) United States $0.045B 0.00
Lite Strategy (LITS) United States $0.042B 0.00
Telomir Pharmaceuticals (TELO) United States $0.042B 0.00
FibroGen (FGEN) United States $0.039B 0.00
Talphera (TLPH) United States $0.038B 0.00
Incannex Healthcare (IXHL) Australia $0.037B 0.00
Mural Oncology (MURA) Ireland $0.035B 0.00
Plus Therapeutics (PSTV) United States $0.033B 0.00
Tempest Therapeutics (TPST) United States $0.029B 0.00
MARKER THERAPEUTICS, INC (MRKR) United States $0.029B 0.00
TherapeuticsMD (TXMD) United States $0.024B 0.00
VYNE Therapeutics (VYNE) United States $0.020B 0.00
Citius Pharmaceuticals (CTXR) United States $0.018B 0.00
Natural Alternatives (NAII) United States $0.018B 0.00
Klotho Neurosciences (KLTO) United States $0.016B 0.00
Lipocine (LPCN) United States $0.016B 0.00
Vyome Holdings (HIND) United States $0.015B 0.00
Iterum Therapeutics (ITRM) Ireland $0.015B 0.00
Jupiter Neurosciences (JUNS) United States $0.014B 0.00
Wellgistics Health (WGRX) United States $0.014B 0.00
Phio Pharmaceuticals (PHIO) United States $0.014B 0.00
Scienture Holdings (SCNX) United States $0.014B 0.00
Curanex Pharmaceuticals Inc (CURX) United States $0.013B 0.00
Vivos Therapeutics (VVOS) United States $0.013B 0.00
Traws Pharma (TRAW) United States $0.012B 0.02
Ainos (AIMD) United States $0.012B 0.00
Cosmos Health (COSM) United States $0.011B 0.00
Mannatech (MTEX) United States $0.011B 0.00
Quoin Pharmaceuticals (QNRX) United States $0.011B 0.00
CASI Pharmaceuticals (CASI) China $0.010B 0.00
BioVie (BIVI) United States $0.010B 0.00
BioLineRx (BLRX) Israel $0.010B 0.00
Reviva Pharmaceuticals Holdings (RVPH) United States $0.010B 0.00
Kiora Pharmaceuticals (KPRX) United States $0.010B 0.00
Liminatus Pharma (LIMN) United States $0.008B 0.00
Addex Therapeutics (ADXN) Switzerland $0.008B 0.00
Inotiv (NOTV) United States $0.008B 0.00
TransCode Therapeutics (RNAZ) United States $0.008B 0.00
Heatwurx (PCSA) United States $0.007B 0.00
Nuvilex (PMCB) United States $0.007B 0.00
Xenetic Biosciences (XBIO) United States $0.007B 0.00
Alaunos Therapeutics (TCRT) United States $0.007B 0.00
Biomerica (BMRA) United States $0.006B 0.00
Aptorum Group (APM) United Kingdom $0.006B 0.00
Mangoceuticals (MGRX) United States $0.006B 0.00
Ernexa Therapeutics (ERNA) United States $0.006B 0.00
XTL Biopharmaceuticals (XTLB) Israel $0.005B 0.00
Salarius Pharmaceuticals (SLRX) United States $0.005B 0.00
Indaptus Therapeutics (INDP) United States $0.005B 0.00
60 Degrees Pharmaceuticals (SXTP) United States $0.005B 0.00
Redhill Biopharma (RDHL) Israel $0.004B 0.00
Galmed Pharmaceuticals (GLMD) Israel $0.004B 0.00
Sonoma Pharmaceuticals (SNOA) United States $0.004B 0.00
Shuttle Pharmaceuticals Holdings (SHPH) United States $0.004B 0.00
XORTX Therapeutics (XRTX) Canada $0.003B 0.00
InMed Pharmaceuticals (INM) Canada $0.002B 0.00
China SXT Pharmaceuticals (SXTC) China $0.002B 0.00
Clearmind Medicine (CMND) Canada $0.002B 0.00
Universe Pharmaceuticals INC (UPC) China $0.002B 0.00
Jaguar Animal Health (JAGX) United States $0.001B 0.00
SciSparc (SPRC) Israel $0.001B 0.00
PainReform (PRFX) Israel $0.001B 0.00
Aditxt (ADTX) United States $0.000B 0.00
CDT Equity (CDT) United States $0.000B 0.00
Emisphere Technologies (EMIS) United States $0.000B 0.00
4D Pharma (LBPS) United Kingdom $0.000B 0.00
Patheon (PTHN) Netherlands $0.000B 0.00
RVL Pharmaceuticals (RVLP) United States $0.000B 0.00