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Altimmune - 20 Year Stock Price History | ALT

Historical daily share price chart and data for Altimmune since 2005 adjusted for splits and dividends. The latest closing stock price for Altimmune as of June 13, 2025 is 6.92.
  • The all-time high Altimmune stock closing price was 2715.99 on March 14, 2006.
  • The Altimmune 52-week high stock price is 11.16, which is 61.3% above the current share price.
  • The Altimmune 52-week low stock price is 3.55, which is 48.7% below the current share price.
  • The average Altimmune stock price for the last 52 weeks is 6.57.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
  
Altimmune Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 5.8495 7.1100 7.4500 3.6700 6.9200 -4.02%
2024 7.9675 10.5200 13.8100 5.5000 7.2100 -35.91%
2023 5.8349 15.6300 16.8300 2.1400 11.2500 -31.61%
2022 9.9264 9.4500 22.4100 3.9400 16.4500 79.59%
2021 13.1190 12.7100 24.3100 8.4300 9.1600 -18.79%
2020 9.9692 1.9213 33.2600 1.6900 11.2800 496.83%
2019 2.4223 2.6000 4.5400 1.5300 1.8900 -8.25%
2018 20.8270 60.0000 60.9000 1.7200 2.0600 -96.55%
2017 208.3243 987.0900 1017.0000 46.5000 59.7000 -93.86%
2016 718.6551 550.3780 972.1340 466.6240 972.1340 71.05%
2015 492.4100 514.4830 583.2810 388.8540 568.3250 4.97%
2014 516.0398 586.2720 711.9010 375.9920 541.4040 -2.69%
2013 522.7287 349.9680 702.9280 338.0040 556.3600 66.07%
2012 403.7982 382.8710 586.2720 302.1090 335.0120 -11.81%
2011 793.7670 1277.2300 1277.2300 323.0480 379.8800 -69.98%
2010 611.1923 544.3950 1292.1900 385.8620 1265.2700 115.83%
2009 814.0964 717.8540 1268.2600 361.9330 586.2420 -14.79%
2008 690.5917 1148.6100 1157.5900 254.2510 687.9720 -41.77%
2007 1894.4233 2249.3700 2273.3000 1088.4900 1181.5200 -46.69%
2006 2277.9644 2093.8300 2715.9900 2081.8600 2216.4700 4.07%
Sector Industry Market Cap Revenue
Medical Medical - Drug Manufacturing $0.561B $0.000B
Altimmune, Inc. is a clinical-stage immunotherapeutics company. It focused on the development of products to stimulate robust and durable immune responses for the prevention and treatment of disease. The company's proprietary platform technologies consist of RespirVec and Densigen. Altimmune Inc., formerly known as Pharmathene Inc., is based in Gaithersburg, United States.
Stock Name Country Market Cap PE Ratio
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Zoetis (ZTS) United States $73.161B 27.30
Takeda Pharmaceutical (TAK) Japan $48.365B 9.62
Daiichi Sankyo, - (DSNKY) Japan $46.601B 23.88
BeOne Medicines - (ONC) Cayman Islands $29.523B 0.00
Sandoz Group AG (SDZNY) Switzerland $23.150B 0.00
Merck (MKKGY) Germany $17.047B 12.49
Summit Therapeutics (SMMT) United States $14.690B 0.00
Shionogi (SGIOY) Japan $14.547B 14.57
United Therapeutics (UTHR) United States $12.781B 11.31
Neurocrine Biosciences (NBIX) United States $12.310B 42.17
Orion OYJ (ORINY) Finland $10.212B 27.62
IPSEN (IPSEY) France $10.004B 0.00
Corcept Therapeutics (CORT) United States $7.430B 60.40
Stevanato Group S.p.A (STVN) Italy $7.111B 43.48
Madrigal Pharmaceuticals (MDGL) United States $6.563B 0.00
Hikma Pharmaceuticals Plc (HKMPF) United Kingdom $6.153B 0.00
Grifols, S.A (GRFS) Spain $6.099B 0.00
Ionis Pharmaceuticals (IONS) United States $5.664B 0.00
Ono Pharmaceutical (OPHLF) Japan $5.031B 15.30
Soleno Therapeutics (SLNO) United States $3.989B 0.00
Crinetics Pharmaceuticals (CRNX) United States $2.975B 0.00
Hypermarcas (HYPMY) Brazil $2.939B 19.33
Catalyst Pharmaceuticals (CPRX) United States $2.870B 10.06
AMNEAL PHARMACEUTICALS, INC (AMRX) United States $2.429B 13.14
NewAmsterdam Pharma (NAMS) Netherlands $2.269B 0.00
BioCryst Pharmaceuticals (BCRX) United States $2.170B 0.00
Recursion Pharmaceuticals (RXRX) United States $2.000B 0.00
Centessa Pharmaceuticals (CNTA) United Kingdom $1.653B 0.00
Dyne Therapeutics (DYN) United States $1.638B 0.00
Evotec AG (EVO) Germany $1.516B 0.00
ARS Pharmaceuticals (SPRY) United States $1.512B 0.00
Ocular Therapeutix (OCUL) United States $1.391B 0.00
Guardian Pharmacy Services (GRDN) United States $1.246B 0.00
Harrow (HROW) United States $1.112B 0.00
Aurinia Pharmaceuticals Inc (AUPH) Canada $1.105B 22.11
Enliven Therapeutics (ELVN) United States $1.075B 0.00
Collegium Pharmaceutical (COLL) United States $0.938B 5.06
Akebia Therapeutics (AKBA) United States $0.935B 0.00
Avadel Pharmaceuticals (AVDL) Ireland $0.926B 0.00
Ardelyx (ARDX) United States $0.861B 0.00
Cronos Group (CRON) Canada $0.744B 0.00
Elite Pharmaceuticals (ELTP) United States $0.718B 0.00
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KalVista Pharmaceuticals (KALV) United States $0.644B 0.00
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Relay Therapeutics (RLAY) United States $0.552B 0.00
USANA Health Sciences (USNA) United States $0.550B 11.96
Verve Therapeutics (VERV) United States $0.549B 0.00
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Theravance Biopharma (TBPH) United States $0.535B 0.00
Tourmaline Bio (TRML) United States $0.505B 0.00
Zevra Therapeutics (ZVRA) United States $0.499B 0.00
Amylyx Pharmaceuticals (AMLX) United States $0.492B 0.00
Oruka Therapeutics (ORKA) United States $0.470B 0.00
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Organogenesis (ORGO) United States $0.389B 0.00
Savara (SVRA) United States $0.382B 0.00
Liminatus Pharma (LIMN) United States $0.375B 0.00
Rigel Pharmaceuticals (RIGL) United States $0.367B 9.91
Aquestive Therapeutics (AQST) United States $0.340B 0.00
Heron Therapeutics (HRTX) United States $0.294B 0.00
Nature's Sunshine Products (NATR) United States $0.266B 24.44
Nanobiotix S.A (NBTX) France $0.252B 0.00
ProKidney (PROK) United States $0.245B 0.00
Tonix Pharmaceuticals Holding (TNXP) United States $0.234B 0.00
Esperion Therapeutics (ESPR) United States $0.232B 0.00
MediWound (MDWD) Israel $0.221B 0.00
OmniAb (OABI) United States $0.217B 0.00
4D Molecular Therapeutics (FDMT) United States $0.203B 0.00
Profound Medical (PROF) Canada $0.197B 0.00
Larimar Therapeutics (LRMR) United States $0.184B 0.00
Aldeyra Therapeutics (ALDX) United States $0.167B 0.00
Enanta Pharmaceuticals (ENTA) United States $0.160B 0.00
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Aclaris Therapeutics (ACRS) United States $0.159B 0.00
Journey Medical (DERM) United States $0.158B 0.00
Avita Medical (RCEL) United States $0.146B 0.00
Innate Pharma SA (IPHYF) France $0.145B 0.00
Lyell Immunopharma (LYEL) United States $0.144B 0.00
Inhibikase Therapeutics (IKT) United States $0.138B 0.00
Lexeo Therapeutics (LXEO) United States $0.131B 0.00
Korro Bio (KRRO) United States $0.127B 0.00
Protara Therapeutics (TARA) United States $0.121B 0.00
Cardiol Therapeutics (CRDL) Canada $0.121B 0.00
Achieve Life Sciences (ACHV) Canada $0.113B 0.00
Corbus Pharmaceuticals Holdings (CRBP) United States $0.108B 0.00
Nektar Therapeutics (NKTR) United States $0.107B 0.00
Champions Oncology (CSBR) United States $0.106B 17.41
Fractyl Health (GUTS) United States $0.101B 0.00
Ironwood Pharmaceuticals (IRWD) United States $0.100B 0.00
Cassava Sciences (SAVA) United States $0.099B 0.00
OptiNose (OPTN) United States $0.097B 0.00
Wellgistics Health (WGRX) United States $0.096B 0.00
Arch Biopartners (ACHFF) Canada $0.090B 0.00
Galectin Therapeutics (GALT) United States $0.087B 0.00
Unicycive Therapeutics (UNCY) United States $0.082B 0.00
Surrozen (SRZN) United States $0.081B 0.00
Nutriband (NTRB) United States $0.080B 0.00
Cumberland Pharmaceuticals (CPIX) United States $0.078B 58.22
Inotiv (NOTV) United States $0.076B 0.00
Pyxis Oncology (PYXS) United States $0.074B 0.00
ESSA Pharma (EPIX) Canada $0.074B 0.00
Dominari Holdings (DOMH) United States $0.071B 0.00
Vivani Medical (VANI) United States $0.068B 0.00
Assertio Holdings (ASRT) United States $0.061B 0.00
NRx Pharmaceuticals (NRXP) United States $0.059B 0.00
Allergy Therapeutics (AGYTF) United Kingdom $0.059B 0.00
Telomir Pharmaceuticals (TELO) United States $0.058B 0.00
Verrica Pharmaceuticals (VRCA) United States $0.058B 0.00
Context Therapeutics (CNTX) United States $0.056B 0.00
PMV Pharmaceuticals (PMVP) United States $0.056B 0.00
Prelude Therapeutics (PRLD) United States $0.054B 0.00
Metagenomi (MGX) United States $0.053B 0.00
Avalo Therapeutics (AVTX) United States $0.052B 0.00
Klotho Neurosciences (KLTO) United States $0.052B 0.00
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Century Therapeutics (IPSC) United States $0.050B 0.00
Mural Oncology (MURA) Ireland $0.042B 0.00
Iterum Therapeutics (ITRM) Ireland $0.040B 0.00
Karyopharm Therapeutics (KPTI) United States $0.038B 0.00
ElectroCore (ECOR) United States $0.038B 0.00
Acrivon Therapeutics (ACRV) United States $0.038B 0.00
Jupiter Neurosciences (JUNS) United States $0.037B 0.00
PolyPid (PYPD) Israel $0.035B 0.00
Reviva Pharmaceuticals Holdings (RVPH) United States $0.034B 0.00
SCYNEXIS (SCYX) United States $0.032B 0.00
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Tempest Therapeutics (TPST) United States $0.024B 0.00
Relmada Therapeutics (RLMD) United States $0.023B 0.00
CASI Pharmaceuticals (CASI) China $0.023B 0.00
Enlivex Therapeutics (ENLV) Israel $0.021B 0.00
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Natural Alternatives (NAII) United States $0.021B 0.00
DURECT (DRRX) United States $0.019B 0.00
Carisma Therapeutics (CARM) United States $0.019B 0.00
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Lipocine (LPCN) United States $0.017B 0.00
BioLineRx (BLRX) Israel $0.016B 0.00
Lyra Therapeutics (LYRA) United States $0.015B 0.00
Scienture Holdings (SCNX) United States $0.014B 0.00
ProPhase Labs (PRPH) United States $0.014B 0.00
VYNE Therapeutics (VYNE) United States $0.014B 0.00
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Cosmos Health (COSM) United States $0.013B 0.00
Vivos Therapeutics (VVOS) United States $0.013B 0.00
Minerva Neurosciences (NERV) United States $0.013B 2.20
Phio Pharmaceuticals (PHIO) United States $0.011B 0.00
Mangoceuticals (MGRX) United States $0.010B 0.00
Ainos (AIMD) United States $0.010B 0.00
GlycoMimetics (GLYC) United States $0.010B 0.00
Talphera (TLPH) United States $0.010B 0.00
Ernexa Therapeutics (ERNA) United States $0.010B 0.00
Traws Pharma (TRAW) United States $0.009B 0.00
Citius Pharmaceuticals (CTXR) United States $0.009B 0.00
Kiora Pharmaceuticals (KPRX) United States $0.009B 0.00
Addex Therapeutics (ADXN) Switzerland $0.009B 0.00
NLS Pharmaceutics (NLSP) Switzerland $0.008B 0.00
Biomerica (BMRA) United States $0.008B 0.00
Nuvilex (PMCB) United States $0.007B 0.00
SHINECO (SISI) China $0.007B 0.00
Aptorum Group (APM) United Kingdom $0.006B 0.00
XTL Biopharmaceuticals (XTLB) Israel $0.006B 0.00
Incannex Healthcare (IXHL) Australia $0.006B 0.00
TransCode Therapeutics (RNAZ) United States $0.006B 0.00
Plus Therapeutics (PSTV) United States $0.005B 0.00
Indaptus Therapeutics (INDP) United States $0.005B 0.00
Alaunos Therapeutics (TCRT) United States $0.005B 0.00
Sonoma Pharmaceuticals (SNOA) United States $0.005B 0.00
Quoin Pharmaceuticals (QNRX) United States $0.005B 0.00
Xenetic Biosciences (XBIO) United States $0.005B 0.00
Redhill Biopharma (RDHL) Israel $0.004B 0.00
PainReform (PRFX) Israel $0.004B 0.00
Clearmind Medicine (CMND) Canada $0.004B 0.00
SciSparc (SPRC) Israel $0.004B 0.00
Jaguar Animal Health (JAGX) United States $0.004B 0.00
XORTX Therapeutics (XRTX) Canada $0.003B 0.00
60 Degrees Pharmaceuticals (SXTP) United States $0.003B 0.00
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InMed Pharmaceuticals (INM) Canada $0.003B 0.00
Aditxt (ADTX) United States $0.003B 0.00
CERo Therapeutics Holdings (CERO) United States $0.003B 0.00
Qualigen Therapeutics (QLGN) United States $0.003B 0.00
Galmed Pharmaceuticals (GLMD) Israel $0.003B 0.00
TNF Pharmaceuticals (TNFA) United States $0.002B 0.00
Conduit Pharmaceuticals (CDT) United States $0.002B 0.00
Shuttle Pharmaceuticals Holdings (SHPH) United States $0.001B 0.00
Salarius Pharmaceuticals (SLRX) United States $0.001B 0.00
Universe Pharmaceuticals INC (UPC) China $0.000B 0.00
Indivior (INDV) United States $0.000B 8.12
4D Pharma (LBPS) United Kingdom $0.000B 0.00
MEI Pharma (MEIP) United States $0.000B 0.00
Patheon (PTHN) Netherlands $0.000B 0.00
RVL Pharmaceuticals (RVLP) United States $0.000B 0.00
Silence Therapeutics (SLN) United Kingdom $0.000B 0.00