Ionis Pharmaceuticals Shares Outstanding 2012-2026 | IONS

Ionis Pharmaceuticals shares outstanding history from 2012 to 2026. 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.
  • Ionis Pharmaceuticals shares outstanding for the quarter ending June 30, 2026 were 0.165B, a 9.28% decline year-over-year.
  • Ionis Pharmaceuticals 2025 shares outstanding were 0.16B, a 7.02% increase from 2024.
  • Ionis Pharmaceuticals 2024 shares outstanding were 0.15B, a 4.42% increase from 2023.
  • Ionis Pharmaceuticals 2023 shares outstanding were 0.143B, a 0.95% increase from 2022.
Unlock Macrotrends Premium
40 years of data
Faster, ad-free pages
Unlimited data exports
Full-width charts
Ionis Pharmaceuticals Annual Shares Outstanding
(Millions of Shares)
2025 160
2024 150
2023 143
2022 142
2021 141
2020 140
2019 153
2018 134
2017 126
2016 121
2015 120
2014 118
2013 111
2012 101
2011 100
Ionis Pharmaceuticals Quarterly Shares Outstanding
(Millions of Shares)
2026-06-30 165
2026-03-31 165
2025-12-31 160
2025-09-30 160
2025-06-30 182
2025-03-31 159
2024-12-31 150
2024-09-30 149
2024-06-30 146
2024-03-31 146
2023-12-31 143
2023-09-30 143
2023-06-30 143
2023-03-31 143
2022-12-31 142
2022-09-30 142
2022-06-30 142
2022-03-31 142
2021-12-31 141
2021-09-30 141
2021-06-30 141
2021-03-31 141
2020-12-31 140
2020-09-30 140
2020-06-30 139
2020-03-31 139
2019-12-31 153
2019-09-30 143
2019-06-30 140
2019-03-31 142
2018-12-31 134
2018-09-30 137
2018-06-30 129
2018-03-31 125
2017-12-31 126
2017-09-30 124
2017-06-30 124
2017-03-31 125
2016-12-31 121
2016-09-30 123
2016-06-30 121
2016-03-31 121
2015-12-31 120
2015-09-30 120
2015-06-30 128
2015-03-31 119
2014-12-31 118
2014-09-30 118
2014-06-30 118
2014-03-31 117
2013-12-31 111
2013-09-30 115
2013-06-30 109
2013-03-31 102
2012-12-31 101
2012-09-30 101
2012-06-30 100
2012-03-31 100
2011-12-31 100
2011-09-30 100
Sector Industry Market Cap Revenue
Medical Medical - Drug Manufacturing $7.852B $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 $68.396B 22.59
Takeda Pharmaceutical (TAK) Japan $59.919B 11.13
UCB SA (UCBJY) Belgium $45.739B 0.00
Otsuka Holdings, - (OTSKY) Japan $39.680B 14.84
BeOne Medicines - (ONC) Switzerland $38.041B 61.00
Sandoz Group AG (SDZNY) Switzerland $35.464B 0.00
Daiichi Sankyo, - (DSNKY) Japan $34.072B 21.27
Zoetis (ZTS) United States $30.343B 11.16
Astellas Pharma (ALPMY) Japan $26.892B 8.90
United Therapeutics (UTHR) United States $21.460B 17.90
Merck (MKKGY) Germany $19.487B 15.54
Shionogi (SGIOY) Japan $15.947B 9.37
IPSEN (IPSEY) France $15.395B 0.00
Neurocrine Biosciences (NBIX) United States $15.249B 20.72
Summit Therapeutics (SMMT) United States $13.881B 0.00
Orion OYJ (ORINY) Finland $12.984B 18.93
Madrigal Pharmaceuticals (MDGL) United States $12.089B 0.00
Corcept Therapeutics (CORT) United States $11.979B 263.86
Recordati Industria Chimica E Farmaceutica S.P.A (RCDTF) Italy $11.965B 15.26
Crinetics Pharmaceuticals (CRNX) United States $9.013B 0.00
Eisai (ESAIY) $8.924B 0.00
Ono Pharmaceutical (OPHLF) Japan $7.049B 13.27
Stevanato Group S.p.A (STVN) Italy $6.523B 32.64
Centessa Pharmaceuticals (CNTA) United Kingdom $6.267B 0.00
Oruka Therapeutics (ORKA) United States $6.105B 0.00
AMNEAL PHARMACEUTICALS, INC (AMRX) United States $5.317B 19.36
Grifols, S.A (GRFS) Spain $5.009B 0.00
Definium Therapeutics (DFTX) United States $4.947B 0.00
Hikma Pharmaceuticals Plc (HKMPF) United Kingdom $4.923B 0.00
Relay Therapeutics (RLAY) United States $4.157B 0.00
Indivior Pharmaceuticals (INDV) United States $4.039B 9.38
Enliven Therapeutics (ELVN) United States $3.910B 0.00
Catalyst Pharmaceuticals (CPRX) United States $3.855B 11.93
Amylyx Pharmaceuticals (AMLX) United States $3.694B 0.00
Dyne Therapeutics (DYN) United States $3.343B 0.00
Hypermarcas (HYPMY) Brazil $3.203B 9.10
Soleno Therapeutics (SLNO) United States $2.717B 228.83
NewAmsterdam Pharma (NAMS) Netherlands $2.529B 0.00
Guardian Pharmacy Services (GRDN) United States $2.390B 45.28
Nektar Therapeutics (NKTR) United States $2.275B 0.00
Ocular Therapeutix (OCUL) United States $2.238B 0.00
Aurinia Pharmaceuticals Inc (AUPH) Canada $2.146B 15.81
Avadel Pharmaceuticals (AVDL) Ireland $2.113B 0.00
BioCryst Pharmaceuticals (BCRX) United States $2.085B 5.63
Xencor (XNCR) United States $1.766B 0.00
KARDIGAN INC (KARD) United States $1.735B 0.00
Xeris Biopharma Holdings (XERS) United States $1.366B 107.00
Harrow (HROW) United States $1.269B 0.00
Seaport Therapeutics (SPTX) United States $1.229B 0.00
Aktis Oncology (AKTS) United States $1.204B 0.00
Cronos Group (CRON) Canada $1.179B 29.09
Bioventus (BVS) United States $1.093B 17.10
Savara (SVRA) United States $1.081B 0.00
KalVista Pharmaceuticals (KALV) United States $0.993B 0.00
Cybin (HELP) Canada $0.992B 0.00
Theravance Biopharma (TBPH) United States $0.885B 0.00
Avalo Therapeutics (AVTX) United States $0.862B 0.00
Ardelyx (ARDX) United States $0.847B 0.00
Rigel Pharmaceuticals (RIGL) United States $0.821B 11.32
Esperion Therapeutics (ESPR) United States $0.819B 0.00
Aclaris Therapeutics (ACRS) United States $0.773B 0.00
Achieve Life Sciences (ACHV) Canada $0.753B 0.00
4D Molecular Therapeutics (FDMT) United States $0.753B 0.00
Silence Therapeutics (SLN) United Kingdom $0.750B 0.00
Apnimed (APMD) $0.711B 0.00
Collegium Pharmaceutical (COLL) United States $0.711B 3.13
Zevra Therapeutics (ZVRA) United States $0.692B 7.37
Ironwood Pharmaceuticals (IRWD) United States $0.671B 5.21
OmniAb (OABI) United States $0.630B 0.00
Altimmune (ALT) United States $0.628B 0.00
Aquestive Therapeutics (AQST) United States $0.604B 0.00
Evotec AG (EVO) Germany $0.580B 0.00
ProKidney (PROK) United States $0.526B 0.00
Indaptus Therapeutics (INDP) United States $0.485B 0.00
Relmada Therapeutics (RLMD) United States $0.474B 0.00
ARS Pharmaceuticals (SPRY) United States $0.423B 0.00
Larimar Therapeutics (LRMR) United States $0.406B 0.00
Prelude Therapeutics (PRLD) United States $0.361B 0.00
Century Therapeutics (IPSC) United States $0.359B 0.00
Lexeo Therapeutics (LXEO) United States $0.339B 0.00
Inhibikase Therapeutics (IKT) United States $0.322B 0.00
Avita Medical (RCEL) United States $0.314B 0.00
Pyxis Oncology (PYXS) United States $0.278B 0.00
USANA Health Sciences (USNA) United States $0.275B 15.05
Elite Pharmaceuticals (ELTP) United States $0.268B 12.44
Lyell Immunopharma (LYEL) United States $0.267B 0.00
Akebia Therapeutics (AKBA) United States $0.250B 0.00
Galectin Therapeutics (GALT) United States $0.246B 0.00
Nature's Sunshine Products (NATR) United States $0.230B 11.17
AleAnna (ANNA) United States $0.226B 17.84
Protara Therapeutics (TARA) United States $0.222B 0.00
Cardiol Therapeutics (CRDL) Canada $0.215B 0.00
Siga Technologies (SIGA) United States $0.214B 0.00
Journey Medical (DERM) United States $0.208B 0.00
Profound Medical (PROF) Canada $0.208B 0.00
Korro Bio (KRRO) United States $0.207B 0.00
Surrozen (SRZN) United States $0.206B 0.00
Tonix Pharmaceuticals Holding (TNXP) United States $0.199B 0.00
Organogenesis (ORGO) United States $0.188B 0.00
Minerva Neurosciences (NERV) United States $0.183B 0.00
MediWound (MDWD) Israel $0.173B 0.00
Atrium Therapeutics (RNA) United States $0.173B 0.00
NRx Pharmaceuticals (NRXP) United States $0.147B 0.00
Innate Pharma SA (IPHYF) France $0.138B 0.00
Unicycive Therapeutics (UNCY) United States $0.131B 0.00
Corbus Pharmaceuticals Holdings (CRBP) United States $0.129B 0.00
VAXART, INC (VXRT) United States $0.117B 3.00
Assertio Holdings (ASRT) United States $0.116B 0.00
Rafael Holdings (RFL) United States $0.111B 0.00
Vivani Medical (VANI) United States $0.111B 0.00
Allergy Therapeutics (AGYTF) United Kingdom $0.103B 0.00
Cassava Sciences (SAVA) United States $0.101B 0.00
Cumberland Pharmaceuticals (CPIX) United States $0.099B 0.00
PolyPid (PYPD) Israel $0.098B 0.00
HST Global (HSTC) United States $0.092B 0.00
ElectroCore (ECOR) United States $0.091B 0.00
Fractyl Health (GUTS) United States $0.090B 0.00
Nutriband (NTRB) United States $0.083B 0.00
Aldeyra Therapeutics (ALDX) United States $0.083B 0.00
Telomir Pharmaceuticals (TELO) United States $0.080B 0.00
Verrica Pharmaceuticals (VRCA) United States $0.079B 0.00
Acrivon Therapeutics (ACRV) United States $0.078B 0.00
Gain Therapeutics (GANX) United States $0.075B 0.00
PMV Pharmaceuticals (PMVP) United States $0.073B 0.00
Champions Oncology (CSBR) United States $0.066B 0.00
Talphera (TLPH) United States $0.062B 0.00
Nuo Therapeutics (AURX) $0.061B 0.00
Heron Therapeutics (HRTX) United States $0.060B 0.00
Dominari Holdings (DOMH) United States $0.053B 0.00
Veraxa Biotech AG (VRXA) United States $0.048B 0.00
SCYNEXIS (SCYX) United States $0.044B 0.00
Incannex Healthcare (IXHL) Australia $0.041B 0.00
FibroGen (FGEN) United States $0.039B 0.00
Lite Strategy (LITS) United States $0.037B 0.00
Mural Oncology (MURA) Ireland $0.035B 0.00
Karyopharm Therapeutics (KPTI) United States $0.035B 0.00
Context Therapeutics (CNTX) United States $0.033B 0.00
Optimi Health (OPTH) Canada $0.029B 0.00
Cosmos Health (COSM) United States $0.028B 0.00
TransCode Therapeutics (RNAZ) United States $0.027B 0.00
Plus Therapeutics (PSTV) United States $0.027B 0.00
TherapeuticsMD (TXMD) United States $0.025B 0.00
Universe Pharmaceuticals INC (UPC) China $0.022B 0.00
MARKER THERAPEUTICS, INC (MRKR) United States $0.020B 0.00
VYNE Therapeutics (VYNE) United States $0.019B 0.00
Lipocine (LPCN) United States $0.018B 0.00
Klotho Neurosciences (KLTO) United States $0.016B 0.00
Mannatech (MTEX) United States $0.016B 0.00
Enlivex (ENLV) Israel $0.015B 0.00
Citius Pharmaceuticals (CTXR) United States $0.015B 0.00
BioVie (BIVI) United States $0.015B 0.00
Iterum Therapeutics (ITRM) Ireland $0.015B 0.00
Vyome Holdings (HIND) United States $0.014B 0.00
Quoin Pharmaceuticals (QNRX) United States $0.014B 0.00
Scienture Holdings (SCNX) United States $0.014B 0.00
Tempest Therapeutics (TPST) United States $0.012B 0.00
Natural Alternatives (NAII) United States $0.012B 0.00
BioLineRx (BLRX) Israel $0.012B 0.00
Phio Pharmaceuticals (PHIO) United States $0.012B 0.00
Kiora Pharmaceuticals (KPRX) United States $0.012B 0.00
CASI Pharmaceuticals (CASI) China $0.010B 0.00
Xenetic Biosciences (XBIO) United States $0.010B 0.00
Mangoceuticals (MGRX) United States $0.009B 0.00
Wellgistics Health (WGRX) United States $0.009B 0.00
Traws Pharma (TRAW) United States $0.008B 0.00
Inotiv (NOTV) United States $0.008B 0.00
Biomerica (BMRA) United States $0.007B 0.00
Curanex Pharmaceuticals Inc (CURX) United States $0.007B 0.00
Ernexa Therapeutics (ERNA) United States $0.007B 0.00
Sonoma Pharmaceuticals (SNOA) United States $0.006B 0.00
XTL Biopharmaceuticals (XTLB) Israel $0.006B 0.00
Heatwurx (PCSA) United States $0.005B 0.00
Salarius Pharmaceuticals (SLRX) United States $0.005B 0.00
Galmed Pharmaceuticals (GLMD) Israel $0.005B 0.00
Liminatus Pharma (LIMN) United States $0.005B 0.00
Aptorum Group (APM) United Kingdom $0.004B 0.00
InMed Pharmaceuticals (INM) Canada $0.004B 0.00
Niki BioSolutions (NIKI) United Kingdom $0.004B 0.00
Nuvilex (PMCB) United States $0.004B 0.00
Addex Therapeutics (ADXN) Switzerland $0.004B 0.00
Galmed Pharmaceuticals (EOCN) Israel $0.004B 0.00
Alaunos Therapeutics (TCRT) United States $0.004B 0.00
Redhill Biopharma (RDHL) Israel $0.004B 0.00
XORTX Therapeutics (XRTX) Canada $0.003B 0.00
60 Degrees Pharmaceuticals (SXTP) United States $0.003B 0.00
Jupiter Neurosciences (JUNS) United States $0.003B 0.00
SciSparc (SPRC) Israel $0.003B 0.00
Vivos Therapeutics (VVOS) United States $0.002B 0.00
Shuttle Pharmaceuticals Holdings (SHPH) United States $0.002B 0.00
Jaguar Animal Health (JAGX) United States $0.001B 0.00
China SXT Pharmaceuticals (SXTC) China $0.001B 0.00
Clearmind Medicine (CMND) Canada $0.001B 0.00
PainReform (PRFX) Israel $0.001B 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