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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 February 21, 2025 is 6.43.
  • The all-time high Altimmune stock closing price was 701.85 on March 14, 2006.
  • The Altimmune 52-week high stock price is 14.84, which is 130.8% above the current share price.
  • The Altimmune 52-week low stock price is 5.28, which is 17.9% below the current share price.
  • The average Altimmune stock price for the last 52 weeks is 7.50.
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 6.7771 7.1100 7.4500 6.2200 6.4300 -10.82%
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 60.0001 60.9001 1.7200 2.0600 -96.55%
2017 140.8575 255.0768 411.0004 19.5000 59.7001 -76.24%
2016 185.7098 142.2246 251.2120 120.5818 251.2120 71.05%
2015 127.2451 132.9491 150.7272 100.4848 146.8624 4.97%
2014 133.3513 151.5002 183.9645 97.1611 139.9058 -2.69%
2013 135.0799 90.4363 181.6456 87.3445 143.7706 66.07%
2012 104.3467 98.9389 151.5002 78.0690 86.5715 -11.81%
2011 205.1166 330.0539 330.0539 83.4797 98.1659 -69.98%
2010 157.9400 140.6787 333.9187 99.7118 326.9621 115.83%
2009 210.3730 185.5027 327.7350 93.5282 151.4924 -14.79%
2008 181.4737 296.8166 299.1355 65.7016 177.7808 -41.77%
2007 489.2853 581.2659 587.4496 281.2801 305.3192 -46.69%
2006 588.6444 541.0720 701.8476 537.9801 572.7633 4.07%
Sector Industry Market Cap Revenue
Medical Medical - Drug Manufacturing $0.472B $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.
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Takeda Pharmaceutical (TAK) Japan $44.101B 9.76
Daiichi Sankyo, - (DSNKY) Japan $43.319B 26.40
Sandoz Group AG (SDZNY) Switzerland $20.649B 0.00
Merck (MKKGY) Germany $18.495B 16.56
Astellas Pharma (ALPMY) Japan $17.499B 12.40
Summit Therapeutics (SMMT) United States $17.006B 0.00
United Therapeutics (UTHR) United States $16.401B 16.13
Shionogi (SGIOY) Japan $12.349B 12.37
Neurocrine Biosciences (NBIX) United States $11.577B 35.29
Orion OYJ (ORINY) Finland $7.681B 21.59
Madrigal Pharmaceuticals (MDGL) United States $7.656B 0.00
Corcept Therapeutics (CORT) United States $6.820B 51.66
Hikma Pharmaceuticals Plc (HKMPF) United Kingdom $6.245B 0.00
Stevanato Group S.p.A (STVN) Italy $6.199B 40.14
Ionis Pharmaceuticals (IONS) United States $5.197B 0.00
Grifols, S.A (GRFS) Spain $5.177B 0.00
Ono Pharmaceutical (OPHLF) Japan $4.650B 9.52
Recursion Pharmaceuticals (RXRX) United States $4.044B 0.00
Crinetics Pharmaceuticals (CRNX) United States $3.418B 0.00
Catalyst Pharmaceuticals (CPRX) United States $2.630B 11.92
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Centessa Pharmaceuticals (CNTA) United Kingdom $2.208B 0.00
Hypermarcas (HYPMY) Brazil $2.185B 0.00
Soleno Therapeutics (SLNO) United States $2.045B 0.00
BioCryst Pharmaceuticals (BCRX) United States $1.945B 0.00
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CytoDyn (CYDY) United States $0.306B 0.00
Ironwood Pharmaceuticals (IRWD) United States $0.304B 0.00
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Amylyx Pharmaceuticals (AMLX) United States $0.241B 0.00
Inhibikase Therapeutics (IKT) United States $0.226B 0.00
Profound Medical (PROF) Canada $0.224B 0.00
4D Molecular Therapeutics (FDMT) United States $0.216B 0.00
Larimar Therapeutics (LRMR) United States $0.209B 0.00
MediWound (MDWD) Israel $0.201B 0.00
Lyell Immunopharma (LYEL) United States $0.193B 0.00
Nanobiotix S.A (NBTX) France $0.186B 0.00
Acrivon Therapeutics (ACRV) United States $0.182B 0.00
Enanta Pharmaceuticals (ENTA) United States $0.179B 0.00
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Lexeo Therapeutics (LXEO) United States $0.133B 0.00
Cassava Sciences (SAVA) United States $0.130B 0.00
ElectroCore (ECOR) United States $0.126B 0.00
Telomir Pharmaceuticals (TELO) United States $0.124B 0.00
Achieve Life Sciences (ACHV) Canada $0.111B 0.00
Cardiol Therapeutics (CRDL) Canada $0.107B 0.00
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Arch Biopartners (ACHFF) Canada $0.087B 0.00
Cumberland Pharmaceuticals (CPIX) United States $0.084B 0.00
Regulus Therapeutics (RGLS) United States $0.083B 0.00
Nutriband (NTRB) United States $0.082B 0.00
Protara Therapeutics (TARA) United States $0.081B 0.00
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FibroGen (FGEN) United States $0.078B 0.00
ESSA Pharma (EPIX) Canada $0.078B 0.00
Assertio Holdings (ASRT) United States $0.077B 20.25
Karyopharm Therapeutics (KPTI) United States $0.077B 0.00
Avalo Therapeutics (AVTX) United States $0.074B 0.00
PMV Pharmaceuticals (PMVP) United States $0.073B 0.00
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Incannex Healthcare (IXHL) Australia $0.029B 0.00
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Lyra Therapeutics (LYRA) United States $0.013B 0.00
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Minerva Neurosciences (NERV) United States $0.013B 0.00
Nuvilex (PMCB) United States $0.013B 0.00
Phio Pharmaceuticals (PHIO) United States $0.012B 0.00
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Indaptus Therapeutics (INDP) United States $0.011B 0.00
Kiora Pharmaceuticals (KPRX) United States $0.011B 0.00
Talphera (TLPH) United States $0.010B 0.00
Jaguar Animal Health (JAGX) United States $0.010B 0.00
Klotho Neurosciences (KLTO) United States $0.010B 0.00
Relmada Therapeutics (RLMD) United States $0.009B 0.00
Ainos (AIMD) United States $0.009B 0.00
Addex Therapeutics (ADXN) Switzerland $0.008B 0.00
XTL Biopharmaceuticals (XTLB) Israel $0.008B 0.00
NLS Pharmaceutics (NLSP) Switzerland $0.007B 0.00
Plus Therapeutics (PSTV) United States $0.007B 0.00
TransCode Therapeutics (RNAZ) United States $0.007B 0.00
Redhill Biopharma (RDHL) Israel $0.006B 0.00
CERo Therapeutics Holdings (CERO) United States $0.006B 0.00
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Aptorum Group (APM) United Kingdom $0.006B 0.00
Clearmind Medicine (CMND) Canada $0.005B 0.00
SciSparc (SPRC) Israel $0.005B 0.00
Conduit Pharmaceuticals (CDT) United States $0.004B 0.00
InMed Pharmaceuticals (INM) Canada $0.004B 0.00
Sonoma Pharmaceuticals (SNOA) United States $0.004B 0.00
XORTX Therapeutics (XRTX) Canada $0.004B 0.00
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Salarius Pharmaceuticals (SLRX) United States $0.002B 0.00
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Quoin Pharmaceuticals (QNRX) United States $0.002B 0.00
Galmed Pharmaceuticals (GLMD) Israel $0.002B 0.00
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Petros Pharmaceuticals (PTPI) United States $0.002B 0.00
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Universe Pharmaceuticals INC (UPC) China $0.000B 0.00
4D Pharma (LBPS) United Kingdom $0.000B 0.00
Patheon (PTHN) Netherlands $0.000B 0.00
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