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Natural Alternatives - 38 Year Stock Price History | NAII

Historical daily share price chart and data for Natural Alternatives since 1987 adjusted for splits and dividends. The latest closing stock price for Natural Alternatives as of May 07, 2025 is 2.86.
  • The all-time high Natural Alternatives stock closing price was 26.00 on July 17, 1998.
  • The Natural Alternatives 52-week high stock price is 7.26, which is 153.8% above the current share price.
  • The Natural Alternatives 52-week low stock price is 2.57, which is 10.1% below the current share price.
  • The average Natural Alternatives stock price for the last 52 weeks is 4.83.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
  
Natural Alternatives Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 3.6865 4.2850 4.3150 2.6100 2.8600 -33.64%
2024 5.7155 6.5343 6.8799 4.1400 4.3100 -34.00%
2023 7.4967 8.2001 9.9200 5.4500 6.5300 -22.17%
2022 10.3103 12.6301 13.6200 7.1950 8.3900 -33.68%
2021 14.8730 10.6000 19.1500 10.6000 12.6500 19.46%
2020 7.6640 7.9200 10.9900 5.1500 10.5889 32.69%
2019 10.5975 9.8400 13.9751 7.6100 7.9800 -18.82%
2018 10.3221 10.3000 12.0500 9.1472 9.8300 -4.56%
2017 10.2095 11.4500 12.0250 8.4500 10.3000 -8.85%
2016 11.4035 10.4200 14.2900 6.9700 11.3000 9.28%
2015 6.0720 5.3201 10.4300 5.1000 10.3400 93.27%
2014 5.5547 5.6300 6.4800 5.0300 5.3500 -4.12%
2013 5.0715 5.1310 6.1200 4.2300 5.5800 11.16%
2012 6.7513 8.2100 10.4300 4.8000 5.0200 -43.21%
2011 5.4002 5.6400 9.2500 3.2000 8.8400 57.86%
2010 7.3061 7.5300 8.4500 5.2900 5.6000 -27.74%
2009 6.6326 6.1500 7.9000 5.7800 7.7500 27.05%
2008 7.5946 8.7800 9.1800 5.7000 6.1000 -29.32%
2007 7.7863 8.8300 9.2600 5.8100 8.6300 -0.46%
2006 8.7729 6.3700 10.8600 6.3400 8.6700 33.80%
2005 7.1867 8.7900 9.8500 5.2700 6.4800 -29.79%
2004 8.8710 6.4000 13.8000 6.1990 9.2300 44.22%
2003 4.7156 3.9500 6.4100 3.1690 6.4000 60.60%
2002 2.7401 2.4000 4.0800 1.6800 3.9850 77.11%
2001 2.1782 2.0938 3.0000 1.1800 2.2500 2.86%
2000 2.0495 3.1875 3.6250 1.3750 2.1875 -32.69%
1999 4.5680 11.0000 12.5000 2.5625 3.2500 -70.45%
1998 15.9527 10.4375 26.0000 9.3750 11.0000 3.53%
1997 8.2676 8.5000 10.7500 6.8750 10.6250 26.87%
1996 8.9946 8.2500 11.1250 7.1250 8.3750 4.69%
1995 7.1414 4.5000 12.6250 4.0625 8.0000 88.24%
1994 8.2604 11.8750 12.0000 4.0000 4.2500 -65.31%
1993 6.1031 5.0000 12.7500 4.0000 12.2500 127.91%
1992 4.0725 3.1250 6.1250 3.1250 5.3750 72.00%
1991 2.5329 2.1570 3.3125 1.5938 3.1250 44.88%
1990 3.0712 2.3438 4.3125 1.3760 2.1570 -7.97%
1989 2.4469 3.1250 3.1250 2.3438 2.3438 0.00%
1988 3.2868 3.9500 5.5000 2.3438 2.3438 -40.66%
Sector Industry Market Cap Revenue
Medical Medical - Drug Manufacturing $0.017B $0.114B
NATURAL ALTERNATIVES INTL INC is engaged in the formulation and production of encapsulated vitamins and nutrients and provides for its clients assistance with foreign registration of products, graphic design, brochures, formulations and a host of other marketing related services.
Stock Name Country Market Cap PE Ratio
Chugai Pharmaceutical (CHGCY) Japan $98.402B 36.91
Zoetis (ZTS) United States $66.869B 24.90
Daiichi Sankyo, - (DSNKY) Japan $48.872B 24.86
Takeda Pharmaceutical (TAK) Japan $48.269B 10.68
Sandoz Group AG (SDZNY) Switzerland $19.668B 0.00
Merck (MKKGY) Germany $18.191B 15.05
Summit Therapeutics (SMMT) United States $17.973B 0.00
Shionogi (SGIOY) Japan $14.521B 14.55
United Therapeutics (UTHR) United States $13.307B 11.77
Neurocrine Biosciences (NBIX) United States $11.769B 40.31
IPSEN (IPSEY) France $10.376B 0.00
Orion OYJ (ORINY) Finland $9.160B 24.77
Corcept Therapeutics (CORT) United States $7.502B 60.98
Madrigal Pharmaceuticals (MDGL) United States $6.553B 0.00
Stevanato Group S.p.A (STVN) Italy $6.435B 40.87
Ono Pharmaceutical (OPHLF) Japan $5.988B 12.26
Hikma Pharmaceuticals Plc (HKMPF) United Kingdom $5.813B 0.00
Ionis Pharmaceuticals (IONS) United States $5.071B 0.00
Grifols, S.A (GRFS) Spain $4.964B 0.00
Soleno Therapeutics (SLNO) United States $3.679B 0.00
Crinetics Pharmaceuticals (CRNX) United States $2.858B 0.00
Catalyst Pharmaceuticals (CPRX) United States $2.812B 11.42
Hypermarcas (HYPMY) Brazil $2.407B 15.83
AMNEAL PHARMACEUTICALS, INC (AMRX) United States $2.226B 12.17
BioCryst Pharmaceuticals (BCRX) United States $2.149B 0.00
NewAmsterdam Pharma (NAMS) Netherlands $2.087B 0.00
Recursion Pharmaceuticals (RXRX) United States $1.670B 0.00
Guardian Pharmacy Services (GRDN) United States $1.627B 0.00
Indivior (INDV) United States $1.613B 6.84
Centessa Pharmaceuticals (CNTA) United Kingdom $1.600B 0.00
Evotec AG (EVO) Germany $1.438B 0.00
ARS Pharmaceuticals (SPRY) United States $1.377B 175.25
Ocular Therapeutix (OCUL) United States $1.143B 0.00
Dyne Therapeutics (DYN) United States $1.139B 0.00
Aurinia Pharmaceuticals Inc (AUPH) Canada $1.110B 45.11
Enliven Therapeutics (ELVN) United States $0.966B 0.00
Ardelyx (ARDX) United States $0.945B 0.00
Harrow (HROW) United States $0.885B 0.00
Collegium Pharmaceutical (COLL) United States $0.869B 4.61
Avadel Pharmaceuticals (AVDL) Ireland $0.835B 0.00
AleAnna (ANNA) United States $0.762B 0.00
Cronos Group (CRON) Canada $0.713B 0.00
Xeris Biopharma Holdings (XERS) United States $0.672B 0.00
Organogenesis (ORGO) United States $0.660B 0.00
KalVista Pharmaceuticals (KALV) United States $0.621B 0.00
Akebia Therapeutics (AKBA) United States $0.607B 0.00
Xencor (XNCR) United States $0.602B 0.00
Relay Therapeutics (RLAY) United States $0.540B 0.00
USANA Health Sciences (USNA) United States $0.537B 11.53
Regulus Therapeutics (RGLS) United States $0.519B 0.00
Savara (SVRA) United States $0.518B 0.00
Bioventus (BVS) United States $0.508B 12.92
Theravance Biopharma (TBPH) Cayman Islands $0.505B 0.00
CytoDyn (CYDY) United States $0.483B 0.00
Elite Pharmaceuticals (ELTP) United States $0.447B 0.00
Amylyx Pharmaceuticals (AMLX) United States $0.414B 0.00
Zevra Therapeutics (ZVRA) United States $0.405B 0.00
Verve Therapeutics (VERV) United States $0.389B 0.00
Altimmune (ALT) United States $0.387B 0.00
Siga Technologies (SIGA) United States $0.376B 6.43
Tourmaline Bio (TRML) United States $0.373B 0.00
Heron Therapeutics (HRTX) United States $0.369B 0.00
Oruka Therapeutics (ORKA) United States $0.348B 0.00
Rigel Pharmaceuticals (RIGL) United States $0.326B 8.82
Aquestive Therapeutics (AQST) United States $0.267B 0.00
Avita Medical (RCEL) United States $0.243B 0.00
Wellgistics Health (WGRX) United States $0.236B 0.00
Nature's Sunshine Products (NATR) United States $0.229B 21.03
ProKidney (PROK) United States $0.202B 0.00
Esperion Therapeutics (ESPR) United States $0.193B 0.00
MediWound (MDWD) Israel $0.192B 0.00
OmniAb (OABI) United States $0.189B 0.00
Procaps Group, S.A (PROCF) Luxembourg $0.164B 0.00
Nanobiotix S.A (NBTX) France $0.160B 0.00
Journey Medical (DERM) United States $0.150B 0.00
Ironwood Pharmaceuticals (IRWD) United States $0.150B 46.35
Profound Medical (PROF) Canada $0.149B 0.00
Inhibikase Therapeutics (IKT) United States $0.144B 0.00
4D Molecular Therapeutics (FDMT) United States $0.143B 0.00
Korro Bio (KRRO) United States $0.139B 0.00
Aclaris Therapeutics (ACRS) United States $0.139B 0.00
Larimar Therapeutics (LRMR) United States $0.134B 0.00
Protara Therapeutics (TARA) United States $0.130B 0.00
Aldeyra Therapeutics (ALDX) United States $0.126B 0.00
Lyell Immunopharma (LYEL) United States $0.123B 0.00
Innate Pharma SA (IPHYF) France $0.122B 0.00
Tonix Pharmaceuticals Holding (TNXP) United States $0.121B 0.00
Nektar Therapeutics (NKTR) United States $0.119B 0.00
Lexeo Therapeutics (LXEO) United States $0.108B 0.00
Enanta Pharmaceuticals (ENTA) United States $0.108B 0.00
OptiNose (OPTN) United States $0.095B 0.00
Cardiol Therapeutics (CRDL) Canada $0.088B 0.00
VAXART, INC (VXRT) United States $0.086B 0.00
Galectin Therapeutics (GALT) United States $0.086B 0.00
Achieve Life Sciences (ACHV) Canada $0.086B 0.00
Arch Biopartners (ACHFF) Canada $0.083B 0.00
Champions Oncology (CSBR) United States $0.081B 13.27
Dominari Holdings (DOMH) United States $0.077B 0.00
Corbus Pharmaceuticals Holdings (CRBP) United States $0.076B 0.00
ESSA Pharma (EPIX) Canada $0.076B 0.00
Telomir Pharmaceuticals (TELO) United States $0.075B 0.00
Fractyl Health (GUTS) United States $0.073B 0.00
Cassava Sciences (SAVA) United States $0.073B 0.00
Unicycive Therapeutics (UNCY) United States $0.073B 0.00
Context Therapeutics (CNTX) United States $0.072B 0.00
Nutriband (NTRB) United States $0.067B 0.00
Pyxis Oncology (PYXS) United States $0.066B 0.00
Cumberland Pharmaceuticals (CPIX) United States $0.062B 49.00
Vivani Medical (VANI) United States $0.061B 0.00
Inotiv (NOTV) United States $0.059B 0.00
Allergy Therapeutics (AGYTF) United Kingdom $0.059B 0.00
Assertio Holdings (ASRT) United States $0.058B 0.00
Gain Therapeutics (GANX) United States $0.056B 0.00
Metagenomi (MGX) United States $0.054B 0.00
Karyopharm Therapeutics (KPTI) United States $0.054B 0.00
Avalo Therapeutics (AVTX) United States $0.052B 0.00
ElectroCore (ECOR) United States $0.050B 0.00
Century Therapeutics (IPSC) United States $0.046B 0.00
PMV Pharmaceuticals (PMVP) United States $0.045B 0.00
Mural Oncology (MURA) Ireland $0.043B 0.00
Acrivon Therapeutics (ACRV) United States $0.042B 0.00
Verrica Pharmaceuticals (VRCA) United States $0.042B 0.00
Reviva Pharmaceuticals Holdings (RVPH) United States $0.037B 0.00
SCYNEXIS (SCYX) United States $0.037B 0.00
Iterum Therapeutics (ITRM) Ireland $0.036B 0.00
Prelude Therapeutics (PRLD) United States $0.035B 0.00
Rafael Holdings (RFL) United States $0.034B 0.00
NRx Pharmaceuticals (NRXP) United States $0.033B 0.00
Surrozen (SRZN) United States $0.032B 0.00
FibroGen (FGEN) United States $0.029B 0.00
PolyPid (PYPD) Israel $0.028B 0.00
Enlivex Therapeutics (ENLV) Israel $0.026B 0.00
Tempest Therapeutics (TPST) United States $0.024B 0.00
CASI Pharmaceuticals (CASI) China $0.022B 0.00
BioVie (BIVI) United States $0.021B 0.00
VYNE Therapeutics (VYNE) United States $0.021B 0.00
Jupiter Neurosciences (JUNS) United States $0.020B 0.00
Mannatech (MTEX) United States $0.019B 7.60
DURECT (DRRX) United States $0.018B 0.00
Lipocine (LPCN) United States $0.018B 0.00
TherapeuticsMD (TXMD) United States $0.016B 0.00
GlycoMimetics (GLYC) United States $0.016B 0.00
Vivos Therapeutics (VVOS) United States $0.015B 0.00
MEI Pharma (MEIP) United States $0.014B 0.00
MARKER THERAPEUTICS, INC (MRKR) United States $0.013B 0.00
Cosmos Health (COSM) United States $0.012B 0.00
Relmada Therapeutics (RLMD) United States $0.012B 0.00
Scienture Holdings (SCNX) United States $0.011B 0.00
ProPhase Labs (PRPH) United States $0.011B 0.00
Minerva Neurosciences (NERV) United States $0.011B 8.47
Talphera (TLPH) United States $0.011B 0.00
BioLineRx (BLRX) Israel $0.011B 0.00
Ernexa Therapeutics (ERNA) United States $0.011B 0.00
Kiora Pharmaceuticals (KPRX) United States $0.010B 3.17
Carisma Therapeutics (CARM) United States $0.009B 0.00
Mangoceuticals (MGRX) United States $0.009B 0.00
Plus Therapeutics (PSTV) United States $0.009B 0.00
TransCode Therapeutics (RNAZ) United States $0.008B 0.00
Biomerica (BMRA) United States $0.008B 0.00
Ainos (AIMD) United States $0.008B 0.00
Addex Therapeutics (ADXN) Switzerland $0.008B 0.00
Phio Pharmaceuticals (PHIO) United States $0.008B 0.00
Traws Pharma (TRAW) United States $0.008B 0.00
XTL Biopharmaceuticals (XTLB) Israel $0.008B 0.00
Nuvilex (PMCB) United States $0.008B 0.00
Jaguar Animal Health (JAGX) United States $0.007B 0.00
Citius Pharmaceuticals (CTXR) United States $0.007B 0.00
Indaptus Therapeutics (INDP) United States $0.007B 0.00
Lyra Therapeutics (LYRA) United States $0.007B 0.00
NLS Pharmaceutics (NLSP) Switzerland $0.006B 0.00
Conduit Pharmaceuticals (CDT) United States $0.005B 0.00
Klotho Neurosciences (KLTO) United States $0.005B 0.00
Sonoma Pharmaceuticals (SNOA) United States $0.005B 0.00
Xenetic Biosciences (XBIO) United States $0.005B 0.00
Alaunos Therapeutics (TCRT) United States $0.005B 0.00
Aptorum Group (APM) United Kingdom $0.005B 0.00
Clearmind Medicine (CMND) Canada $0.004B 0.00
XORTX Therapeutics (XRTX) Canada $0.004B 0.00
CERo Therapeutics Holdings (CERO) United States $0.004B 0.00
Quoin Pharmaceuticals (QNRX) United States $0.004B 0.00
60 Degrees Pharmaceuticals (SXTP) United States $0.004B 0.00
InMed Pharmaceuticals (INM) Canada $0.004B 0.00
Redhill Biopharma (RDHL) Israel $0.003B 0.00
SciSparc (SPRC) Israel $0.003B 0.00
Qualigen Therapeutics (QLGN) United States $0.003B 0.00
Galmed Pharmaceuticals (GLMD) Israel $0.002B 0.00
Incannex Healthcare (IXHL) Australia $0.002B 0.00
TNF Pharmaceuticals (TNFA) United States $0.002B 0.00
PainReform (PRFX) Israel $0.002B 0.00
Shuttle Pharmaceuticals Holdings (SHPH) United States $0.002B 0.00
Salarius Pharmaceuticals (SLRX) United States $0.002B 0.00
China SXT Pharmaceuticals (SXTC) China $0.001B 0.00
SHINECO (SISI) China $0.001B 0.00
Heatwurx (PCSA) United States $0.001B 0.00
Petros Pharmaceuticals (PTPI) United States $0.000B 0.00
Universe Pharmaceuticals INC (UPC) China $0.000B 0.00
Aditxt (ADTX) 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
Silence Therapeutics (SLN) United Kingdom $0.000B 0.00