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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 April 04, 2025 is 4.24.
  • 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 163.2% above the current share price.
  • The Altimmune 52-week low stock price is 4.13, which is 2.6% below the current share price.
  • The average Altimmune stock price for the last 52 weeks is 6.95.
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 6.2233 7.1100 7.4500 4.2400 4.2400 -41.19%
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 $0.385B $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 $47.315B 10.47
Daiichi Sankyo, - (DSNKY) Japan $45.571B 27.77
Sandoz Group AG (SDZNY) Switzerland $18.445B 0.00
Merck (MKKGY) Germany $17.719B 14.66
Astellas Pharma (ALPMY) Japan $17.481B 12.39
Summit Therapeutics (SMMT) United States $14.230B 0.00
United Therapeutics (UTHR) United States $13.845B 12.53
Shionogi (SGIOY) Japan $12.760B 12.78
Corcept Therapeutics (CORT) United States $12.051B 92.11
Neurocrine Biosciences (NBIX) United States $11.027B 33.62
IPSEN (IPSEY) France $9.797B 0.00
Orion OYJ (ORINY) Finland $8.460B 23.98
Madrigal Pharmaceuticals (MDGL) United States $7.314B 0.00
Stevanato Group S.p.A (STVN) Italy $6.184B 39.27
Hikma Pharmaceuticals Plc (HKMPF) United Kingdom $5.813B 0.00
Ono Pharmaceutical (OPHLF) Japan $5.254B 10.76
Grifols, S.A (GRFS) Spain $4.889B 0.00
Ionis Pharmaceuticals (IONS) United States $4.796B 0.00
Soleno Therapeutics (SLNO) United States $3.277B 0.00
Crinetics Pharmaceuticals (CRNX) United States $3.121B 0.00
Catalyst Pharmaceuticals (CPRX) United States $2.945B 12.01
AMNEAL PHARMACEUTICALS, INC (AMRX) United States $2.598B 16.11
NewAmsterdam Pharma (NAMS) Netherlands $2.248B 0.00
Hypermarcas (HYPMY) Brazil $2.131B 8.41
Recursion Pharmaceuticals (RXRX) United States $2.127B 0.00
Centessa Pharmaceuticals (CNTA) United Kingdom $1.915B 0.00
BioCryst Pharmaceuticals (BCRX) United States $1.567B 0.00
Guardian Pharmacy Services (GRDN) United States $1.346B 0.00
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ARS Pharmaceuticals (SPRY) United States $1.234B 157.25
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Heron Therapeutics (HRTX) United States $0.335B 0.00
Rigel Pharmaceuticals (RIGL) United States $0.321B 19.14
Amylyx Pharmaceuticals (AMLX) United States $0.314B 0.00
OmniAb (OABI) United States $0.293B 0.00
Aquestive Therapeutics (AQST) United States $0.287B 0.00
Esperion Therapeutics (ESPR) United States $0.285B 36.00
CytoDyn (CYDY) United States $0.283B 0.00
ProKidney (PROK) United States $0.256B 0.00
Innate Pharma SA (IPHYF) France $0.243B 0.00
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Nature's Sunshine Products (NATR) United States $0.232B 27.28
Wellgistics Health (WGRX) United States $0.224B 0.00
Avita Medical (RCEL) United States $0.213B 0.00
Profound Medical (PROF) Canada $0.175B 0.00
Nanobiotix S.A (NBTX) France $0.169B 0.00
MediWound (MDWD) Israel $0.168B 0.00
Aclaris Therapeutics (ACRS) United States $0.165B 0.00
Korro Bio (KRRO) United States $0.163B 0.00
Inhibikase Therapeutics (IKT) United States $0.163B 0.00
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Protara Therapeutics (TARA) United States $0.157B 0.00
4D Molecular Therapeutics (FDMT) United States $0.150B 0.00
Larimar Therapeutics (LRMR) United States $0.138B 0.00
Nektar Therapeutics (NKTR) United States $0.127B 0.00
Journey Medical (DERM) United States $0.123B 0.00
Champions Oncology (CSBR) United States $0.120B 19.73
Enanta Pharmaceuticals (ENTA) United States $0.118B 0.00
Regulus Therapeutics (RGLS) United States $0.116B 0.00
Lexeo Therapeutics (LXEO) United States $0.115B 0.00
Tonix Pharmaceuticals Holding (TNXP) United States $0.115B 0.00
Telomir Pharmaceuticals (TELO) United States $0.096B 0.00
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Avalo Therapeutics (AVTX) United States $0.085B 0.00
Arch Biopartners (ACHFF) Canada $0.082B 0.00
Cardiol Therapeutics (CRDL) Canada $0.080B 0.00
Galectin Therapeutics (GALT) United States $0.077B 0.00
Inotiv (NOTV) United States $0.075B 0.00
Cassava Sciences (SAVA) United States $0.072B 0.00
ESSA Pharma (EPIX) Canada $0.070B 0.00
Allergy Therapeutics (AGYTF) United Kingdom $0.069B 0.00
Nutriband (NTRB) United States $0.068B 0.00
Corbus Pharmaceuticals Holdings (CRBP) United States $0.065B 0.00
Assertio Holdings (ASRT) United States $0.065B 0.00
Acrivon Therapeutics (ACRV) United States $0.064B 0.00
Vivani Medical (VANI) United States $0.062B 0.00
Pyxis Oncology (PYXS) United States $0.060B 0.00
Unicycive Therapeutics (UNCY) United States $0.060B 0.00
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Gain Therapeutics (GANX) United States $0.053B 0.00
AleAnna (ANNA) United States $0.052B 0.00
Metagenomi (MGX) United States $0.051B 0.00
ElectroCore (ECOR) United States $0.048B 0.00
Rafael Holdings (RFL) United States $0.047B 0.00
Dominari Holdings (DOMH) United States $0.044B 0.00
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Karyopharm Therapeutics (KPTI) United States $0.031B 0.00
FibroGen (FGEN) United States $0.031B 0.00
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DURECT (DRRX) United States $0.025B 0.00
VYNE Therapeutics (VYNE) United States $0.024B 0.00
Mural Oncology (MURA) Ireland $0.022B 0.00
Natural Alternatives (NAII) United States $0.021B 0.00
Enlivex Therapeutics (ENLV) Israel $0.021B 0.00
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BioVie (BIVI) United States $0.018B 0.00
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MEI Pharma (MEIP) United States $0.015B 0.00
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Carisma Therapeutics (CARM) United States $0.013B 0.00
Citius Pharmaceuticals (CTXR) United States $0.013B 0.00
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Cosmos Health (COSM) United States $0.010B 0.00
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ProPhase Labs (PRPH) United States $0.010B 0.00
Kiora Pharmaceuticals (KPRX) United States $0.009B 2.89
Relmada Therapeutics (RLMD) United States $0.009B 0.00
Phio Pharmaceuticals (PHIO) United States $0.009B 0.00
Nuvilex (PMCB) United States $0.009B 0.00
Talphera (TLPH) United States $0.008B 0.00
Traws Pharma (TRAW) United States $0.008B 0.00
Lyra Therapeutics (LYRA) United States $0.008B 0.00
Indaptus Therapeutics (INDP) United States $0.008B 0.00
Addex Therapeutics (ADXN) Switzerland $0.008B 0.00
Ainos (AIMD) United States $0.008B 0.00
XTL Biopharmaceuticals (XTLB) Israel $0.007B 0.00
Klotho Neurosciences (KLTO) United States $0.006B 0.00
Plus Therapeutics (PSTV) United States $0.006B 0.00
NLS Pharmaceutics (NLSP) Switzerland $0.006B 0.00
Quoin Pharmaceuticals (QNRX) United States $0.005B 0.00
Clearmind Medicine (CMND) Canada $0.004B 0.00
Aptorum Group (APM) United Kingdom $0.004B 0.00
Xenetic Biosciences (XBIO) United States $0.004B 0.00
XORTX Therapeutics (XRTX) Canada $0.004B 0.00
Sonoma Pharmaceuticals (SNOA) United States $0.004B 0.00
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InMed Pharmaceuticals (INM) Canada $0.003B 0.00
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CERo Therapeutics Holdings (CERO) United States $0.002B 0.00
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China SXT Pharmaceuticals (SXTC) China $0.002B 0.00
SHINECO (SISI) China $0.002B 0.00
Salarius Pharmaceuticals (SLRX) United States $0.001B 0.00
TNF Pharmaceuticals (TNFA) United States $0.001B 0.00
Galmed Pharmaceuticals (GLMD) Israel $0.001B 0.00
Petros Pharmaceuticals (PTPI) United States $0.001B 0.00
TransCode Therapeutics (RNAZ) United States $0.000B 0.00
Aditxt (ADTX) United States $0.000B 0.00
Universe Pharmaceuticals INC (UPC) China $0.000B 0.00
Silence Therapeutics (SLN) United Kingdom $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