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Stocks to Compare Sections All Sections Selected Performance Chart Price & Volume MarketRank Analyst Ratings Sales & Book Value Profitability & Earnings Dividends Debt Ownership Miscellaneous Headlines About Compare NASDAQ:ADURNASDAQ:ARQNASDAQ:BLGONASDAQ:ZTEK On This Page Performance ChartPrice & VolumeMarketRank™Analyst RatingsSales & Book ValueProfitability & EarningsDividendsDebtOwnershipMiscellaneousHeadlinesAbout Comparison Ideas Stock Ideas Comparative Price Performance Over Time1 day7 days30 days90 days365 daysCompare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeADURAduro Clean Technologies$6.12-2.2%$4.92$2.86▼$7.00$174.04MN/A72,851 shs72,959 shsARQARQ$4.03-2.9%$4.09$3.34▼$8.11$175.18M1.51257,697 shs237,010 shsBLGOBioLargo$0.25-0.2%$0.25$0.16▼$0.36$75.18M0.19254,857 shs613,209 shsZTEKZentek$1.55-1.3%$1.20$0.50▼$1.84$162.11M0.7342,910 shs49,039 shsThe Next 7 Blockbuster Stocks for Growth InvestorsWondering what the next stocks will be that hit it big, with solid fundamentals? Enter your email address to see which stocks MarketBeat analysts could become the next blockbuster growth stocks.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceADURAduro Clean Technologies-2.24%+14.61%+47.83%+13.33%+611,999,900.00%ARQARQ-2.89%-5.18%+12.89%-32.04%-46.62%BLGOBioLargo-0.24%+9.84%+6.46%-4.23%-30.08%ZTEKZentek-1.27%-0.64%+55.16%+42.20%+39.64%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationADURAduro Clean TechnologiesN/AN/AN/AN/AN/AN/AN/AN/AARQARQ2.8287 of 5 stars3.52.00.00.02.42.51.3BLGOBioLargoN/AN/AN/AN/AN/AN/AN/AN/AZTEKZentek0.7895 of 5 stars0.05.00.00.03.30.00.0Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceADURAduro Clean Technologies 3.00Buy$50.00716.99% UpsideARQARQ 3.00Buy$9.00123.33% UpsideBLGOBioLargo 0.00N/AN/AN/AZTEKZentek 0.00N/AN/AN/ACurrent Analyst Ratings BreakdownLatest BLGO, ADUR, ARQ, and ZTEK Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails5/8/2025ARQARQCanaccord Genuity GroupSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetBuy ➝ Buy$9.00 ➝ $8.004/17/2025ADURAduro Clean TechnologiesD. Boral CapitalSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$50.00 ➝ $50.003/6/2025ADURAduro Clean TechnologiesD. Boral CapitalSubscribe to MarketBeat All Access for the recommendation accuracy ratingInitiated CoverageBuy$50.00(Data available from 5/14/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookADURAduro Clean Technologies$258.79K672.51N/AN/AN/A∞ARQARQ$114.47M1.49N/AN/A$5.37 per share0.75BLGOBioLargo$12.23M6.15N/AN/A$0.01 per share24.90ZTEKZentek$64.66K2,507.22N/AN/A$0.11 per share14.09Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateADURAduro Clean TechnologiesN/AN/A0.00∞N/AN/AN/AN/AN/AARQARQ-$12.25M-$0.05N/A16.79N/A-0.44%-0.25%-0.19%N/ABLGOBioLargo-$3.50M-$0.01N/A∞N/A-11.45%-39.90%-22.06%N/AZTEKZentek-$8.68M-$0.07N/A∞N/A-16,555.32%-58.13%-50.87%6/25/2025 (Estimated)Latest BLGO, ADUR, ARQ, and ZTEK EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails3/5/2025Q4 2024ARQARQ-$0.03-$0.03N/A-$0.03$28.34 million$27.04 millionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthADURAduro Clean TechnologiesN/AN/AN/AN/AN/AARQARQN/AN/AN/AN/AN/ABLGOBioLargoN/AN/AN/AN/AN/AZTEKZentekN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioADURAduro Clean TechnologiesN/AN/AN/AARQARQ0.082.892.28BLGOBioLargo0.032.312.24ZTEKZentek0.011.831.48Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipADURAduro Clean TechnologiesN/AARQARQ18.49%BLGOBioLargo0.04%ZTEKZentek0.77%Insider OwnershipCompanyInsider OwnershipADURAduro Clean TechnologiesN/AARQARQ26.87%BLGOBioLargo19.30%ZTEKZentekN/ACompare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableADURAduro Clean TechnologiesN/A28.44 millionN/AN/AARQARQ14042.21 million30.74 millionN/ABLGOBioLargo30301.94 million240.17 millionNot OptionableZTEKZentek24104.59 millionN/ANot OptionableBLGO, ADUR, ARQ, and ZTEK HeadlinesRecent News About These CompaniesAnson Funds Management LP Makes New $145,000 Investment in Zentek Ltd. (NASDAQ:ZTEK)May 5, 2025 | marketbeat.comZentek Ltd.: Zentek Announces Purchase Order from Dexterra Group Inc. for ZenGUARD Enhanced Air FiltersApril 29, 2025 | finanznachrichten.deZentek Announces Purchase Order from Dexterra Group Inc. for ZenGUARD(TM) Enhanced Air FiltersApril 29, 2025 | accessnewswire.comZentek completes first phase of Innovative Solutions Canada contractApril 24, 2025 | markets.businessinsider.comZentek Provides Update on ~$1.1 Million Innovative Solutions Canada Contract to Develop an Avian Influenza Countermeasure (H5N1) Using its Multivalent Aptamer TechnologyApril 23, 2025 | accessnewswire.comZentek Ltd. (NASDAQ:ZTEK) Short Interest Up 36.3% in MarchApril 20, 2025 | marketbeat.comZentek Sells Corporate Office in Strategic Asset ReviewApril 17, 2025 | tipranks.comZentek Announces Sale of Corporate Court OfficeApril 17, 2025 | accessnewswire.comZentek completes testing of ZenARMOR corrosion prevention technologyApril 17, 2025 | markets.businessinsider.comZentek Advances ZenARMOR™ Technology with Successful Testing and New CollaborationApril 16, 2025 | tipranks.comZentek Completes Testing of ZenARMOR(TM) Corrosion Prevention Technology as part of its Innovative Solutions Canada Testing Stream and Announces a New Collaboration with Jazeera Paints CompanyApril 16, 2025 | accessnewswire.comZentek enters partnership with Filtration Solutions Industrial Co.April 15, 2025 | markets.businessinsider.comZentek Announce Strategic Partnership with Filtration Solutions Industrial Co. to Manufacture and Distribute Graphene-Enhanced HVAC FiltersApril 14, 2025 | accessnewswire.comZentek Announces Closing of $2,000,000 Non-Brokered Private Placement of Debenture UnitsApril 9, 2025 | newsfilecorp.comZentek Announces Closing of $2,000,000 Non-Brokered Private Placement of Debenture UnitsApril 9, 2025 | newsfilecorp.comZentek Faces Tax Reassessment Following CRA AuditMarch 21, 2025 | tipranks.comZentek Announces Results of Canada Revenue Agency AuditMarch 21, 2025 | accessnewswire.comZentek Completes Shelf-Life Efficacy Testing for ZenGUARD Enhanced Air Filter CommercializationMarch 12, 2025 | finanznachrichten.deZentek completes shelf-life efficacy testing for ZenGUARD Enhanced Air FiltersMarch 12, 2025 | markets.businessinsider.comZentek Completes Key Testing for ZenGUARD™ Air FiltersMarch 12, 2025 | tipranks.comZentek Completes Shelf-Life Efficacy Testing for ZenGUARD(TM) Enhanced Air Filter CommercializationMarch 12, 2025 | accessnewswire.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeBLGO, ADUR, ARQ, and ZTEK Company DescriptionsAduro Clean Technologies NASDAQ:ADUR$6.12 -0.14 (-2.24%) As of 05/13/2025 04:00 PM EasternAduro Clean Technologies is a developer of patented water-based technologies to chemically recycle waste plastics; convert heavy crude and bitumen into lighter, more valuable oil and transform renewable oils into higher-value fuels or renewable chemicals. Aduro Clean Technologies is based in LONDON, Ontario.ARQ NASDAQ:ARQ$4.03 -0.12 (-2.89%) Closing price 05/13/2025 04:00 PM EasternExtended Trading$4.05 +0.02 (+0.50%) As of 08:00 AM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.Arq, Inc. is a holding company. It engages in the provision of environmental and emission control equipment to the power generation industry. The company operates through the following Segments: Refined Coal and Advanced Purification Technologies. The Refined Coal segment includes the Tinuum Group, Tinuum Services, and GWN Manager. The Advanced Purification Technologies segment refers to the sale of Activated Carbon Injection and Dry Sorbent Injection equipment systems, chemical sales, consulting services, and other sales related to the reduction of emissions in the coal-fired electric generation process and the electric utility industry. The company was founded in 1996 and is headquartered in Greenwood Village, CO.BioLargo NASDAQ:BLGO$0.25 0.00 (-0.24%) As of 05/13/2025 03:59 PM EasternBioLargo, 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.Zentek NASDAQ:ZTEK$1.55 -0.02 (-1.27%) Closing price 05/13/2025 04:00 PM EasternExtended Trading$1.60 +0.04 (+2.90%) As of 08:26 AM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.Zentek Ltd., together with its subsidiaries, engages in the research and development of graphene and related nanomaterials in Canada. The company develops graphene-based antimicrobial coating under the ZenGUARD brand, surgical masks, HVAC filters, personal protective equipment, rapid detection point of care diagnostics tests, and pharmaceutical products based on graphene-based compounds. It is also developing graphene oxide synthesis and graphene synthesis. In addition, the company owns 100% interest in the Albany graphite project located in Northern Ontario, Canada. The company was formerly known as ZEN Graphene Solutions Ltd. and changed its name to Zentek Ltd. in October 2021. Zentek Ltd. was incorporated in 2008 and is headquartered in Guelph, Canada. 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