Compare Stocks Compare stocks with our powerful stock comparison tool. Analyze fundamentals, price performance, and key financial indicators to make informed investment decisions. Our tool lets you compare up to ten stocks side by side based on Performance Charts, Price & Volume, MarketRank™, Analyst Ratings, Sales & Book Value, Profitability & Earnings, Dividends, Debt, Ownership, Headlines, and more. Simply enter up to ten stock symbols (e.g., BAC, JPM, WFC, C, GS) to get started and uncover top investment opportunities. 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:BLGONYSE:FSINASDAQ:LNZAOTCMKTS:WNDW 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 VolumeBLGOBioLargo$0.21-7.2%$0.24$0.16▼$0.32$63.36M0.19273,182 shs320,257 shsFSIFlexible Solutions International$4.51+3.2%$4.13$1.65▼$7.24$57.04M1.23122,962 shs7,287 shsLNZALanzaTech Global$0.21+0.1%$0.23$0.14▼$2.91$49.25M1.691.43 million shs2.25 million shsWNDWSolarWindow Technologies$0.31+17.9%$0.28$0.03▼$1.08$16.31M-6.9118,378 shs1,583 shs13 Stocks Institutional Investors Won't Stop BuyingWhich stocks are hedge funds and endowments buying in today's market? Enter your email address and we'll send you MarketBeat's list of thirteen stocks that institutional investors are buying now.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceBLGOBioLargo+8.60%+3.17%+1.03%-13.54%-23.11%FSIFlexible Solutions International-0.91%-4.79%+19.73%-18.01%+103.26%LNZALanzaTech Global-29.70%+6.58%-3.85%-70.75%-92.00%WNDWSolarWindow Technologies0.00%-15.28%-25.50%-25.71%-23.53%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationBLGOBioLargoN/AN/AN/AN/AN/AN/AN/AN/AFSIFlexible Solutions International3.3202 of 5 stars0.05.00.80.00.62.53.1LNZALanzaTech Global1.5306 of 5 stars3.01.00.00.02.40.01.3WNDWSolarWindow TechnologiesN/AN/AN/AN/AN/AN/AN/AN/ACompare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceBLGOBioLargo 0.00N/AN/AN/AFSIFlexible Solutions International 0.00N/AN/AN/ALNZALanzaTech Global 2.00Hold$2.00842.06% UpsideWNDWSolarWindow Technologies 0.00N/AN/AN/ACurrent Analyst Ratings BreakdownLatest WNDW, BLGO, LNZA, and FSI Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails5/19/2025LNZALanzaTech GlobalRoth CapitalSubscribe to MarketBeat All Access for the recommendation accuracy ratingDowngradeStrong-Buy ➝ Hold3/13/2025LNZALanzaTech GlobalJanney Montgomery ScottSubscribe to MarketBeat All Access for the recommendation accuracy ratingDowngradeBuy ➝ Neutral(Data available from 6/3/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookBLGOBioLargo$12.23M5.18N/AN/A$0.01 per share20.87FSIFlexible Solutions International$36.48M1.56$0.25 per share18.10$3.08 per share1.46LNZALanzaTech Global$48.83M1.01N/AN/A$0.58 per share0.37WNDWSolarWindow TechnologiesN/AN/AN/AN/AN/AN/ACompare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateBLGOBioLargo-$3.50M-$0.01N/A∞N/A-11.45%-39.90%-22.06%N/AFSIFlexible Solutions International$2.78M$0.1813.6712.53N/A10.80%10.61%7.32%N/ALNZALanzaTech Global-$134.10M-$0.67N/AN/AN/A-223.03%-180.10%-58.54%8/6/2025 (Estimated)WNDWSolarWindow Technologies-$3.06MN/A0.00∞N/AN/A-61.32%-57.76%7/14/2025 (Estimated)Latest WNDW, BLGO, LNZA, and FSI EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails5/19/2025Q1 2025LNZALanzaTech Global-$0.11-$0.10+$0.01-$0.10$30.58 million$9.48 million4/15/2025Q4 2024LNZALanzaTech GlobalN/A-$0.14N/A-$0.14N/A$12.03 million4/11/2025Q2 2025WNDWSolarWindow TechnologiesN/A-$0.01N/A-$0.01N/AN/ACompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthBLGOBioLargoN/AN/AN/AN/AN/AFSIFlexible Solutions International$0.153.33%N/A83.33%N/ALNZALanzaTech GlobalN/AN/AN/AN/AN/AWNDWSolarWindow TechnologiesN/AN/AN/AN/AN/ALatest WNDW, BLGO, LNZA, and FSI DividendsAnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date5/7/2025FSIFlexible Solutions Internationalspecial$0.105/19/20255/19/20255/28/2025(Data available from 1/1/2013 forward)Compare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioBLGOBioLargo0.032.312.24FSIFlexible Solutions International0.173.172.22LNZALanzaTech Global6.642.912.91WNDWSolarWindow TechnologiesN/A12.5912.59Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipBLGOBioLargo0.04%FSIFlexible Solutions International54.31%LNZALanzaTech Global17.76%WNDWSolarWindow TechnologiesN/AInsider OwnershipCompanyInsider OwnershipBLGOBioLargo19.30%FSIFlexible Solutions International35.50%LNZALanzaTech Global5.58%WNDWSolarWindow Technologies67.28%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableBLGOBioLargo30303.61 million240.17 millionNot OptionableFSIFlexible Solutions International4012.65 million8.03 millionNot OptionableLNZALanzaTech Global3231.97 million186.73 millionOptionableWNDWSolarWindow Technologies753.20 million17.41 millionNot OptionableWNDW, BLGO, LNZA, and FSI HeadlinesRecent News About These CompaniesLippert welcomes SolarWindow officials to Elkhart CountyDecember 17, 2024 | 953mnc.comLippert welcomes Elon Musk's sister, SolarWindow officials to Elkhart CountyDecember 12, 2024 | msn.comSolarWindow and Lippert Enter into Framework AgreementSeptember 17, 2024 | glassmagazine.comSolarWindow and Lippert Enter Into Framework Agreement for Development of Transparent Electricity-Generating Glass ProductsSeptember 10, 2024 | markets.businessinsider.comSolarWindow Technologies Inc (WNDW)August 30, 2024 | uk.investing.comInformation Management Technology (IMT) Overview, CareersAugust 27, 2024 | investopedia.comSolarWindow Technologies, Inc. (0L7R.L)August 14, 2024 | nz.finance.yahoo.comSolarWindow Technologies, Inc. (WNDW)July 21, 2024 | finance.yahoo.comSolarWindow Technologies Inc WNDWJanuary 23, 2024 | morningstar.comApple Watch Fall Detection: How It Works (2023)September 9, 2023 | forbes.comSolarWindow Files 2022 Annual Report and Provides Update on Filing of its Fiscal 2023 Quarterly StatementsSeptember 5, 2023 | finance.yahoo.com7 Facts You Didn’t Know About Wind EnergySeptember 2, 2023 | msn.comUrbanization and Renewable Energy Awareness Propel Global Solar Windows Market to 2032August 26, 2023 | benzinga.comWNDW - SolarWindow Technologies, Inc.July 11, 2023 | finance.yahoo.comSolarWindow Appoints New Directors and Auditor to Korean SubsidiaryMay 23, 2023 | finance.yahoo.comSolarWindow Appoints New Directors and Auditor to Korean SubsidiaryMay 23, 2023 | finance.yahoo.comSolarWindow Technologies, Inc.: SolarWindow Update on Market Transaction Restrictions in the Company's Stock Pending Filing of Forms 10-K and 10-QMarch 23, 2023 | finanznachrichten.deSolarWindow Update on Market Transaction Restrictions in the Company’s Stock Pending Filing of Forms 10-K and 10-QMarch 22, 2023 | finance.yahoo.comWNDW SolarWindow Technologies, Inc.January 27, 2023 | seekingalpha.comSolarWindow Technologies appoints John Rhee as CEOJanuary 24, 2022 | seekingalpha.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeWNDW, BLGO, LNZA, and FSI Company DescriptionsBioLargo NASDAQ:BLGO$0.21 -0.02 (-7.16%) As of 03:50 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.Flexible Solutions International NYSE:FSI$4.51 +0.14 (+3.20%) Closing price 04:00 PM EasternExtended Trading$4.53 +0.02 (+0.33%) As of 04:43 PM 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.Flexible Solutions International, Inc., together with its subsidiaries, develops, manufactures, and markets specialty chemicals that slow the evaporation of water in Canada, the United States, and internationally. The company operates in two segments, Energy and Water Conservation Products, and Biodegradable Polymers. The company offers thermal polyaspartates (TPAs) for oilfields to reduce scale and corrosion in various water systems; and for the agricultural industry to reduce fertilizer crystallization before, during, and after application, as well as to prevent crystal formation between fertilizer and minerals present in the soil. It also provides TPAs for irrigation to prevent early plugging of drip irrigation ports, reduce maintenance costs, and lengthen the life of equipment; TPAs for cleaning products to prevents the re-deposition of dirt onto the surfaces; and TPAs as additives for household laundry detergents, consumer care products, and pesticides. In addition, the company offers nitrogen conservation products for agriculture that slow down nitrogen loss from fields. Further, it provides HEATSAVR, a chemical product for use in swimming pools and spas that forms a thin and transparent layer on the water's surface; and WATERSAVR to reduce water evaporation in reservoirs, potable water storage tanks, livestock watering ponds, aqueducts, canals, and irrigation ditches, as well as for lawn and turf care, and potted and bedding plants. The company was incorporated in 1991 and is headquartered in Taber, Canada.LanzaTech Global NASDAQ:LNZA$0.21 +0.00 (+0.09%) Closing price 04:00 PM EasternExtended Trading$0.21 +0.00 (+0.33%) As of 05:34 PM 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.LanzaTech Global, Inc. operates as a nature-based carbon refining company in the United States and internationally. The company transforms waste carbon into the chemical building blocks for consumer goods, such as sustainable fuels, fabrics, and packaging. It is also developing biocatalysts and processes to produce a suite of additional products utilizing novel biocatalysts, including acetone and isopropanol (IPA) and industrial solvents used in various applications, including production of polymers from IPA. LanzaTech Global, Inc. was founded in 2005 and is headquartered in Skokie, Illinois.SolarWindow Technologies OTCMKTS:WNDW$0.31 +0.05 (+17.88%) As of 02:20 PM EasternSolarWindow Technologies, Inc. engages in the development of transparent electricity-generating coatings and methods under LiquidElectricity Coatings brand. The company's coatings generate electricity by harvesting light energy from natural sun, artificial light, and low, shaded, or reflected light conditions, which is applied to rigid and flexible glass, and plastic surfaces to transform ordinary surfaces into organic photovoltaic devices. The company was incorporated in 1998 and is based in Scottsdale, Arizona. 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