NASDAQ:BLGO BioLargo (BLGO) Stock Price, News & Analysis $0.22 0.00 (-1.84%) As of 08/29/2025 02:51 PM Eastern Add Compare Share Share Stock Analysis Stock AnalysisChartCompetitorsHeadlinesSEC FilingsShort InterestTrendsBuy This Stock About BioLargo Stock (NASDAQ:BLGO) 30 days 90 days 365 days Advanced Chart View Price History Chart DataSkip Price History Chart Get BioLargo alerts:Sign Up Key Stats Today's Range$0.21▼$0.2350-Day Range$0.17▼$0.2252-Week Range$0.16▼$0.32Volume179,169 shsAverage Volume318,750 shsMarket Capitalization$67.52 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company Overview BioLargo, Inc. invents, develops, and commercializes various platform technologies. Its technologies solve challenging environmental problems comprising per - and polyfluoroalkyl substances (PFAS) water contamination, advanced water and wastewater treatment, industrial odor and volatile organic compounds control, air quality control, infection control, and myriad environmental remediation. The company provides full-service environmental engineering services. BioLargo, Inc. was incorporated in 1991 and is based in Westminster, California. Read More Receive BLGO Stock News and Ratings via Email Sign-up to receive the latest news and ratings for BioLargo and its competitors with MarketBeat's FREE daily newsletter. Submit View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. 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In fact, while Nvidia has slipped over the past 30 days, this “off-the-radar” stock is up 18% — and Eric believes the run is just beginning.September 1 at 2:00 AM | InvestorPlace (Ad)BioLargo Highlights 2025 Progress and Future OutlookJuly 23, 2025 | tipranks.comBioLargo initiates alpha testing of Verralize’s portable PFAS test kitJuly 2, 2025 | finance.yahoo.comIndependent Evaluation Confirms Breakthrough Performance of BioLargo’s Cellinity Battery Technology for Grid-Scale Energy StorageJune 18, 2025 | usatoday.comEarnings call transcript: BioLargo Q1 2025 revenue misses forecast, stock dipsMay 17, 2025 | investing.comBioLargo Inc (BLGO) Q1 2025 Earnings Call Highlights: Strategic Innovations Amid Financial ...May 16, 2025 | finance.yahoo.comSee More Headlines BLGO Stock Analysis - Frequently Asked Questions How have BLGO shares performed this year? BioLargo's stock was trading at $0.19 on January 1st, 2025. Since then, BLGO stock has increased by 15.2% and is now trading at $0.2188. How do I buy shares of BioLargo? Shares of BLGO stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of BioLargo own? Based on aggregate information from My MarketBeat watchlists, some other companies that BioLargo investors own include Hydrofarm Holdings Group (HYFM), Avino Silver & Gold Mines (ASM), Meta Platforms (META), Micron Technology (MU), Petroleo Brasileiro S.A.- Petrobras (PBR), Clean Energy Fuels (CLNE) and FuelCell Energy (FCEL). Company Calendar Today9/01/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorConstruction Industry Chemicals & allied products Sub-IndustryChemicals Current SymbolNASDAQ:BLGO CIK880242 Webwww.biolargo.com Phone(888) 400-2863Fax949-625-9819Employees30Year Founded1989Profitability EPS (Trailing Twelve Months)($0.01) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$3.50 million Net Margins-11.45% Pretax Margin-19.65% Return on Equity-39.90% Return on Assets-22.06% Debt Debt-to-Equity Ratio0.03 Current Ratio2.31 Quick Ratio2.24 Sales & Book Value Annual Sales$12.23 million Price / Sales5.52 Cash FlowN/A Price / Cash FlowN/A Book Value$0.01 per share Price / Book21.88Miscellaneous Outstanding Shares308,578,000Free Float240,168,000Market Cap$67.52 million OptionableNot Optionable Beta0.05 Social Links A Guide To High-Short-Interest StocksMarketBeat's analysts have just released their top five short plays for September 2025. 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