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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 20, 2025 is 7.03.
  • 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 58.7% above the current share price.
  • The Altimmune 52-week low stock price is 3.55, which is 49.5% below the current share price.
  • The average Altimmune stock price for the last 52 weeks is 6.58.
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 5.8854 7.1100 7.4500 3.6700 7.0300 -2.50%
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 $0.550B $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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Takeda Pharmaceutical (TAK) Japan $47.411B 9.43
Daiichi Sankyo, - (DSNKY) Japan $44.972B 23.05
BeOne Medicines - (ONC) Cayman Islands $27.694B 0.00
Sandoz Group AG (SDZNY) Switzerland $23.360B 0.00
Merck (MKKGY) Germany $16.226B 11.89
Summit Therapeutics (SMMT) United States $14.972B 0.00
Shionogi (SGIOY) Japan $14.581B 14.61
United Therapeutics (UTHR) United States $13.159B 11.64
Neurocrine Biosciences (NBIX) United States $12.599B 43.16
Orion OYJ (ORINY) Finland $10.006B 27.06
IPSEN (IPSEY) France $9.836B 0.00
Corcept Therapeutics (CORT) United States $7.555B 61.41
Stevanato Group S.p.A (STVN) Italy $7.193B 43.98
Madrigal Pharmaceuticals (MDGL) United States $6.277B 0.00
Hikma Pharmaceuticals Plc (HKMPF) United Kingdom $6.153B 0.00
Grifols, S.A (GRFS) Spain $5.982B 0.00
Ionis Pharmaceuticals (IONS) United States $5.890B 0.00
Ono Pharmaceutical (OPHLF) Japan $5.031B 15.30
Soleno Therapeutics (SLNO) United States $4.000B 0.00
Hypermarcas (HYPMY) Brazil $3.132B 20.60
Crinetics Pharmaceuticals (CRNX) United States $2.856B 0.00
Catalyst Pharmaceuticals (CPRX) United States $2.782B 9.75
AMNEAL PHARMACEUTICALS, INC (AMRX) United States $2.489B 13.46
BioCryst Pharmaceuticals (BCRX) United States $2.084B 0.00
Recursion Pharmaceuticals (RXRX) United States $2.077B 0.00
NewAmsterdam Pharma (NAMS) Netherlands $2.043B 0.00
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Centessa Pharmaceuticals (CNTA) United Kingdom $1.693B 0.00
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Savara (SVRA) United States $0.358B 0.00
Rigel Pharmaceuticals (RIGL) United States $0.346B 9.35
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ProKidney (PROK) United States $0.204B 0.00
Profound Medical (PROF) Canada $0.203B 0.00
Nanobiotix S.A (NBTX) France $0.202B 0.00
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Aldeyra Therapeutics (ALDX) United States $0.190B 0.00
4D Molecular Therapeutics (FDMT) United States $0.189B 0.00
Larimar Therapeutics (LRMR) United States $0.175B 0.00
Enanta Pharmaceuticals (ENTA) United States $0.155B 0.00
Aclaris Therapeutics (ACRS) United States $0.154B 0.00
Journey Medical (DERM) United States $0.148B 0.00
Innate Pharma SA (IPHYF) France $0.145B 0.00
Lyell Immunopharma (LYEL) United States $0.142B 0.00
Lexeo Therapeutics (LXEO) United States $0.141B 0.00
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Protara Therapeutics (TARA) United States $0.115B 0.00
Ironwood Pharmaceuticals (IRWD) United States $0.113B 0.00
Cardiol Therapeutics (CRDL) Canada $0.109B 0.00
Achieve Life Sciences (ACHV) Canada $0.109B 0.00
Nektar Therapeutics (NKTR) United States $0.107B 0.00
Corbus Pharmaceuticals Holdings (CRBP) United States $0.102B 0.00
Cassava Sciences (SAVA) United States $0.100B 0.00
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Dominari Holdings (DOMH) United States $0.092B 0.00
Wellgistics Health (WGRX) United States $0.088B 0.00
Nutriband (NTRB) United States $0.087B 0.00
Surrozen (SRZN) United States $0.085B 0.00
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Arch Biopartners (ACHFF) Canada $0.084B 0.00
Cumberland Pharmaceuticals (CPIX) United States $0.080B 59.56
ESSA Pharma (EPIX) Canada $0.075B 0.00
Inotiv (NOTV) United States $0.075B 0.00
Pyxis Oncology (PYXS) United States $0.071B 0.00
Vivani Medical (VANI) United States $0.068B 0.00
Assertio Holdings (ASRT) United States $0.063B 0.00
Allergy Therapeutics (AGYTF) United Kingdom $0.059B 0.00
PMV Pharmaceuticals (PMVP) United States $0.057B 0.00
NRx Pharmaceuticals (NRXP) United States $0.056B 0.00
Metagenomi (MGX) United States $0.055B 0.00
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Jupiter Neurosciences (JUNS) United States $0.041B 0.00
Iterum Therapeutics (ITRM) Ireland $0.040B 0.00
ElectroCore (ECOR) United States $0.039B 0.00
Acrivon Therapeutics (ACRV) United States $0.039B 0.00
Karyopharm Therapeutics (KPTI) United States $0.038B 0.00
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CASI Pharmaceuticals (CASI) China $0.017B 0.00
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Lyra Therapeutics (LYRA) United States $0.014B 0.00
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Minerva Neurosciences (NERV) United States $0.013B 2.21
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Phio Pharmaceuticals (PHIO) United States $0.011B 0.00
Ainos (AIMD) United States $0.011B 0.00
Mangoceuticals (MGRX) United States $0.010B 0.00
Talphera (TLPH) United States $0.010B 0.00
Citius Pharmaceuticals (CTXR) United States $0.010B 0.00
Kiora Pharmaceuticals (KPRX) United States $0.009B 0.00
Traws Pharma (TRAW) 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
XTL Biopharmaceuticals (XTLB) Israel $0.007B 0.00
Incannex Healthcare (IXHL) Australia $0.007B 0.00
Alaunos Therapeutics (TCRT) United States $0.007B 0.00
TransCode Therapeutics (RNAZ) United States $0.006B 0.00
Aptorum Group (APM) United Kingdom $0.006B 0.00
Indaptus Therapeutics (INDP) United States $0.005B 0.00
Quoin Pharmaceuticals (QNRX) United States $0.005B 0.00
Sonoma Pharmaceuticals (SNOA) United States $0.005B 0.00
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Clearmind Medicine (CMND) Canada $0.004B 0.00
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SciSparc (SPRC) Israel $0.003B 0.00
XORTX Therapeutics (XRTX) Canada $0.003B 0.00
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InMed Pharmaceuticals (INM) Canada $0.003B 0.00
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Galmed Pharmaceuticals (GLMD) Israel $0.003B 0.00
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Salarius Pharmaceuticals (SLRX) United States $0.002B 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 $0.002B 0.00
Universe Pharmaceuticals INC (UPC) China $0.000B 0.00
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