Phio Pharmaceuticals - 14 Year Stock Price History | PHIO

Historical daily share price chart and data for Phio Pharmaceuticals since 2012 adjusted for splits and dividends. The latest closing stock price for Phio Pharmaceuticals as of September 16, 2026 is 1.00.
  • The all-time high Phio Pharmaceuticals stock closing price was 1000000.00 on May 10, 2012.
  • The Phio Pharmaceuticals 52-week high stock price is 4.19, which is 319% above the current share price.
  • The Phio Pharmaceuticals 52-week low stock price is 0.81, which is 19% below the current share price.
  • The average Phio Pharmaceuticals stock price for the last 52 weeks is 1.28.
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Phio Pharmaceuticals Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 1.1162 1.0900 1.6500 0.8568 0.9991 -4.85%
2025 1.9373 1.9000 6.6000 1.0100 1.0500 -41.67%
2024 4.9036 6.9300 9.7200 1.7400 1.8000 -73.68%
2023 29.6188 40.5000 67.3920 6.6600 6.8400 -82.97%
2022 78.9093 117.7200 253.8000 36.1800 40.1760 -62.80%
2021 235.5390 303.4800 437.4000 107.1360 108.0000 -62.83%
2020 338.9676 1128.6000 1395.9000 181.4400 290.5200 -71.40%
2019 2022.6643 2079.0000 2940.3000 683.1000 1015.7400 -48.18%
2018 12309.8341 32670.0000 32670.0000 1692.9000 1960.2000 -94.06%
2017 37185.5833 42768.0000 51381.0000 25839.0000 33026.4000 -22.24%
2016 131395.6222 226314.0000 226314.0000 42233.4000 42471.0000 -81.28%
2015 385458.8571 950400.0000 956340.0000 213840.0000 226908.0000 -76.13%
2014 998299.2857 1000000.0000 1000000.0000 926640.0000 950400.0000 -4.96%
2013 1000000.0000 1000000.0000 1000000.0000 1000000.0000 1000000.0000 0.00%
Sector Industry Market Cap Revenue
Medical Medical - Drug Manufacturing $0.012B $0.000B
Phio Pharmaceuticals Corp is focused on developing immuno-oncology therapeutics based on its proprietary self-delivering RNAi therapeutic platform. The Company's pipeline consists of RXI-762 and RXI-804 which are in clinical stage. Phio Pharmaceuticals Corp, formerly known as RXi Pharmaceuticals Corporation, is based in Marlborough, United States.
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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
Ionis Pharmaceuticals (IONS) United States $7.852B 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
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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
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Harrow (HROW) United States $1.269B 0.00
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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
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Avalo Therapeutics (AVTX) United States $0.862B 0.00
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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
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Silence Therapeutics (SLN) United Kingdom $0.750B 0.00
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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
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Lexeo Therapeutics (LXEO) United States $0.339B 0.00
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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
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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
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Talphera (TLPH) United States $0.062B 0.00
Nuo Therapeutics (AURX) $0.061B 0.00
Heron Therapeutics (HRTX) United States $0.060B 0.00
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SCYNEXIS (SCYX) United States $0.044B 0.00
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FibroGen (FGEN) United States $0.039B 0.00
Lite Strategy (LITS) United States $0.037B 0.00
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Context Therapeutics (CNTX) United States $0.033B 0.00
Optimi Health (OPTH) Canada $0.029B 0.00
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Plus Therapeutics (PSTV) United States $0.027B 0.00
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Universe Pharmaceuticals INC (UPC) China $0.022B 0.00
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Citius Pharmaceuticals (CTXR) United States $0.015B 0.00
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Ernexa Therapeutics (ERNA) United States $0.007B 0.00
Sonoma Pharmaceuticals (SNOA) United States $0.006B 0.00
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Salarius Pharmaceuticals (SLRX) United States $0.005B 0.00
Galmed Pharmaceuticals (GLMD) Israel $0.005B 0.00
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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
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Redhill Biopharma (RDHL) Israel $0.004B 0.00
XORTX Therapeutics (XRTX) Canada $0.003B 0.00
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Jupiter Neurosciences (JUNS) United States $0.003B 0.00
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Shuttle Pharmaceuticals Holdings (SHPH) United States $0.002B 0.00
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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