BioLargo, Inc. (BLGO)
For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.
BioLargo, Inc. (BLGO) trades at $0.11 with AI Score 46/100 (Grade C). BioLargo, Inc. Market cap: $35.30M, Sector: Basic materials.
Price live · AI analysis from Jun 13, 2026Analyst Coverage for BLGO: BLGO does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates BLGO against Basic Materials peers across nine fundamental dimensions and assigns an underweight signal based on the underlying data.
BLGO: the 1 perspectives are evenly split.
How is this calculated? →BioLargo, Inc. (BLGO) Materials & Commodity Exposure
BioLargo, Inc. is an environmental engineering company specializing in advanced platform technologies for critical challenges including PFAS contamination, water purification, industrial odor control, and infection prevention. Leveraging numerous patents, the company provides innovative solutions and engineering services from its Westminster, California headquarters.
What Is the Investment Thesis for BLGO?
BioLargo, Inc. operates in the critical and growing environmental engineering sector, focusing on patented platform technologies for significant challenges like PFAS contamination and advanced water purification. The company's strategic positioning benefits from an increasing regulatory focus on environmental contaminants, which is expected to drive demand for its specialized solutions. With a gross margin of 42.3%, BioLargo demonstrates a healthy margin on its core offerings, indicating potential for profitability as it scales commercial contracts. Key value drivers include the commercialization success of its Advanced Oxidation system and Aqueous Electrostatic Concentrator, particularly in the expanding PFAS remediation market, and the adoption of CupriDyne Clean products in industrial settings. However, the company's current financial performance shows a profit margin of -230.1% and a market capitalization of $35.30M, reflecting its early-stage commercialization and unprofitability. As an OTC Other listed company, BLGO faces inherent risks associated with less stringent listing requirements and potentially lower liquidity, which could impact investor confidence and capital raising efforts. Investors should closely monitor the company's ability to secure and scale commercial contracts and navigate the competitive landscape to achieve sustainable revenue growth and improve profitability.
Based on FMP financials and quantitative analysis
BLGO Key Highlights
- Market Capitalization of $35.30M, positioning BioLargo as a micro-cap company within the Basic Materials sector.
- Profit Margin of -230.1%, indicating significant net losses relative to revenue, characteristic of a development-stage company.
- Gross Margin of 42.3%, suggesting a solid margin on products and services sold before accounting for operating expenses.
- Beta of -0.14, indicating a low correlation with broader market movements, potentially offering portfolio diversification benefits.
- Employee count of 40, reflecting a lean operational structure focused on research, development, and specialized engineering services.
Who Are BLGO's Competitors?
BLGO is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.
| Company | Price | Change | Market Cap | AI Score |
|---|---|---|---|---|
| ASPI ASP Isotopes Inc. | $5.53 | -1.78% | $459.53M | 60 |
| CNSJF China Sanjiang Fine Chemicals Company Limited | $0.16 | +0.00% | $187.57M | 57 |
| UNVR Univar Solutions Inc. | $36.14 | +0.47% | $5.70B | 54 |
| ORGN Origin Materials, Inc. | $0.95 | -0.00% | $5.23M | 52 |
| AHKSF Asahi Kasei Corporation | $11.20 | -0.88% | $15.19B | 46 |
| DOW Dow Inc. | $27.23 | -1.71% | $19.63B | 46 |
| FMST Foremost Clean Energy Ltd. | $1.57 | +4.28% | $19.60M | 46 |
| AHKSY Asahi Kasei Corporation | $23.48 | +6.58% | $15.93B | 46 |
AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance
What Are BLGO's Key Strengths?
- Extensive portfolio of issued patents protecting proprietary platform technologies.
- Diverse product pipeline addressing critical environmental challenges (PFAS, water, air, odors).
- Comprehensive environmental engineering services complement product offerings.
- Gross margin of 42.3% indicates healthy unit economics on products/services.
- Established company since 1991 with a track record in technology development.
What Are BLGO's Weaknesses?
- Significant unprofitability with a profit margin of -230.1%.
- Operates as an OTC Other listed company, implying less stringent disclosure and lower liquidity.
- Small market capitalization of $35.30M, potentially limiting access to capital.
- Relatively small employee base (40 employees) for a company with diverse technology development.
- Reliance on successful commercialization and scaling of new technologies.
What Could Drive BLGO Stock Higher?
- Successful commercialization and widespread adoption of the Aqueous Electrostatic Concentrator for PFAS remediation, driven by increasing regulatory mandates and market demand.
- Securing new, significant commercial contracts for its CupriDyne Clean industrial products across various industrial sectors seeking odor and VOC control solutions.
- Development and market introduction of new applications or enhancements for its Advanced Oxidation system, expanding its utility in water and wastewater treatment.
- Continued expansion of its patent portfolio, further solidifying its intellectual property protection and competitive advantage in key technology areas.
- Strategic partnerships or licensing agreements that could accelerate the deployment and market penetration of BioLargo's patented technologies.
What Are the Key Risks for BLGO?
- Financial-distress signal — its Altman Z-Score of -29.83 sits in the distress zone (elevated bankruptcy risk).
- Weak fundamentals — a Piotroski F-Score of 1/9 flags soft profitability, leverage or efficiency.
- The company's significant unprofitability, evidenced by a -230.1% profit margin, poses a risk to its long-term financial sustainability without substantial revenue growth.
- As an OTC Other listed company, BioLargo faces risks of lower liquidity, wider bid-ask spreads, and potential difficulty in raising capital, which could impede growth initiatives.
- The competitive landscape in environmental engineering and water treatment is intense, with larger, well-capitalized players potentially limiting BioLargo's market penetration.
- Reliance on the successful commercialization of relatively new technologies means that market acceptance or technical challenges could hinder revenue generation.
- The beta of -0.14 suggests low correlation with the broader market, which could indicate specific company-centric risks not tied to overall economic trends.
What Are the Growth Opportunities for BLGO?
- **PFAS Remediation Market Expansion:** The global market for PFAS remediation is experiencing rapid growth due to increasing regulatory pressures and public awareness regarding 'forever chemicals.' BioLargo's Aqueous Electrostatic Concentrator (AEC) is specifically designed to remove PFAS from water, positioning the company to capitalize on this expanding market. With new regulations continuously emerging, the demand for effective and scalable PFAS treatment solutions is projected to grow significantly over the next decade, offering a substantial addressable market for BioLargo's patented technology.
- **Advanced Water and Wastewater Purification:** The global demand for clean water and efficient wastewater treatment continues to rise, driven by population growth, industrialization, and climate change. BioLargo's Advanced Oxidation system, which generates potent oxidative and energetic iodine species, offers a novel approach to water purification. This technology can address a wide range of contaminants, providing a competitive edge in municipal and industrial water treatment sectors. The market for advanced water treatment technologies is expected to see sustained growth, creating ongoing opportunities for BioLargo's patented solutions.
- **Industrial Odor and VOC Control:** Industries worldwide face increasing pressure to comply with environmental regulations regarding air emissions and odor control. BioLargo's CupriDyne Clean industrial products are engineered to effectively neutralize stubborn odors and volatile organic compounds (VOCs) across various industrial settings. This addresses a critical need for manufacturing plants, waste management facilities, and other industrial operations seeking to improve air quality and regulatory compliance. The market for industrial air pollution control is robust, offering consistent demand for BioLargo's specialized chemical solutions.
- **Air Quality Enhancement Technologies:** Beyond industrial odor control, BioLargo's broader expertise in environmental engineering extends to general air quality enhancement. With growing concerns over indoor and outdoor air pollution and their health impacts, there is a rising demand for innovative air purification technologies. BioLargo's platform technologies, which can be adapted for various applications, could tap into this expanding market for air quality solutions in commercial, institutional, and potentially residential settings, driven by public health initiatives and environmental standards.
- **Specialized Advanced Wound Care Products:** BioLargo also develops specialized advanced wound care products, leveraging its core scientific principles. The global advanced wound care market is a significant and growing segment within healthcare, driven by an aging population, increasing prevalence of chronic diseases like diabetes, and demand for faster healing solutions. While distinct from its environmental focus, this segment represents a diversification opportunity where BioLargo can apply its expertise in infection control and material science to address unmet medical needs, potentially generating additional revenue streams.
What Opportunities Does BLGO Have?
- Increasing global regulatory focus on environmental contaminants (e.g., PFAS) driving demand for solutions.
- Growing market for advanced water and wastewater treatment technologies.
- Expansion into new industrial sectors requiring odor and VOC control.
- Potential for strategic partnerships or licensing agreements to accelerate technology adoption.
- Leveraging existing technology platforms for new applications in air quality or infection control.
What Threats Does BLGO Face?
- Intense competition from larger, more established environmental technology and chemical companies.
- Regulatory changes that could impact demand for or specifications of their technologies.
- Challenges in securing and scaling commercial contracts in a competitive market.
- Difficulty in raising capital due to OTC listing and current unprofitability.
- Technological obsolescence or emergence of superior competing solutions.
What Are BLGO's Competitive Advantages?
- Numerous issued patents protecting their core platform technologies, creating barriers to entry for competitors.
- Proprietary technologies like the Advanced Oxidation system and Aqueous Electrostatic Concentrator offer unique solutions to complex problems.
- Specialized expertise in environmental engineering, allowing for comprehensive service offerings beyond product sales.
- Focus on high-impact environmental challenges such as PFAS, addressing critical and growing market needs.
- Diversified product portfolio spanning water treatment, air quality, odor control, and wound care, reducing reliance on a single market.
What Does BLGO Do?
Established in 1991 and headquartered in Westminster, California, BioLargo, Inc. operates as an environmental engineering company dedicated to the invention, development, and commercialization of sophisticated platform technologies. The company's core mission revolves around tackling pressing environmental challenges, which encompass a broad spectrum of issues such as per- and polyfluoroalkyl substances (PFAS) contamination, advanced water and wastewater purification, and the effective management of industrial odors and volatile organic compounds (VOCs). Beyond these areas, BioLargo also extends its technological reach into enhancing air quality and controlling infections, demonstrating a diversified approach to environmental and public health solutions. BioLargo maintains a robust product pipeline, underpinned by numerous issued patents that protect its innovative intellectual property. This patent portfolio forms a significant foundation for its technological offerings and competitive positioning. The company not only develops and commercializes these technologies but also provides comprehensive environmental engineering services, leveraging its expertise to implement practical solutions for clients. Key innovations include the Advanced Oxidation system, a water treatment solution engineered to generate potent oxidative and energetic iodine species for purification. Another critical product is the Aqueous Electrostatic Concentrator, specifically designed for the challenging task of eliminating PFAS from contaminated water sources. For industrial applications, BioLargo offers CupriDyne Clean industrial products, which are formulated to effectively neutralize stubborn odors and VOCs across diverse industrial settings. Additionally, the company develops specialized advanced wound care products, showcasing its ability to apply its core scientific principles to different market needs. BioLargo's operational model focuses on addressing specific, high-impact environmental problems with patented, scalable technologies.
What Products and Services Does BLGO Offer?
- Invent, develop, and commercialize sophisticated platform technologies.
- Address critical environmental challenges like PFAS contamination.
- Provide advanced water and wastewater purification solutions.
- Manage industrial odors and volatile organic compounds (VOCs) with specialized products.
- Develop technologies for enhancing air quality.
- Create solutions for infection control, including advanced wound care products.
- Leverage numerous issued patents to protect their proprietary technologies.
- Offer comprehensive environmental engineering services.
How Does BLGO Make Money?
- Develop and license patented environmental technologies to various industries and municipalities.
- Sell proprietary products like CupriDyne Clean for industrial odor and VOC control.
- Commercialize specialized systems such as the Aqueous Electrostatic Concentrator for PFAS removal.
- Provide environmental engineering services, offering expertise and implementation support for their technologies.
- Generate revenue from sales of advanced wound care products in the healthcare sector.
What Industry Does BLGO Operate In?
BioLargo, Inc. operates within the Basic Materials sector, specifically the Chemicals industry, with a focus on environmental engineering solutions. The company is positioned in a market driven by increasing global concerns over environmental degradation, stringent regulatory frameworks, and the growing demand for clean water, air, and waste management. Key market trends include the escalating need for PFAS remediation technologies, advancements in water and wastewater treatment, and industrial demand for effective odor and VOC control. BioLargo's patented technologies, such as the Aqueous Electrostatic Concentrator for PFAS and the Advanced Oxidation system for water purification, place it within a competitive landscape that includes established environmental services firms and specialized technology providers. The company aims to differentiate itself through its proprietary, high-efficacy solutions designed to address complex environmental challenges, seeking to capture market share in niche but high-value segments within the broader environmental technology industry.
Who Are BLGO's Key Customers?
- Industrial facilities requiring odor and VOC control solutions.
- Municipalities and water treatment plants seeking advanced water purification and PFAS remediation.
- Environmental engineering firms and consultants.
- Healthcare providers and patients for advanced wound care products.
- Organizations and entities facing air quality challenges.
FY2026 estForward Outlook
Wall Street analysts project BioLargo, Inc. revenue of about $5.3M for fiscal 2026, with EPS near $-0.04.
F-Score 1/9Financial Health
BioLargo, Inc.'s Piotroski F-Score is 1/9, a 9-point checklist of profitability, leverage and efficiency — flagging fundamental weakness worth scrutiny. Its Altman Z-Score of -29.83 places it in the distress zone, a signal of elevated financial risk.
Key Financial Metrics
Its free cash flow yield is -26.0%, a gauge of the cash the business throws off relative to its market value. A current ratio of 1.10 indicates the company holds enough short-term assets to cover its near-term obligations. Its earnings yield is -35.7%, the inverse of the P/E and a quick read on earnings relative to price.
BioLargo, Inc. (BLGO) Valuation Context
Valued at $35.30M, BLGO is classified as a micro-cap stock. Relative to its peer group, BLGO's quantitative score of 46/100 is roughly in line with the peer average of 54/100.
BLGO Revenue & Earnings Trend
In Q1 2026, BLGO generated $1.1M in top-line revenue, marking a sequential increase of 81.0%. The company recorded a net loss of $2.3M, with diluted EPS of $-0.01. Quarter-over-quarter revenue has been mixed, typical for a micro-cap company operating in Basic Materials. Across the four most recent quarters, BLGO averaged $-0.01 in diluted EPS.
Company Profile
BioLargo, Inc. operates in the Chemicals industry within the Basic Materials sector. It is headquartered in Westminster, US. The company is led by CEO Dennis Calvert. BLGO has traded publicly since 2007.
BLGO Financials
Fundamental Snapshot
Based on FMP financials and quantitative analysis · FY 2025
Bull Case vs Bear Case
Bull Case
- Recent insider buying suggests strong confidence in BioLargo's future, indicating that those closest to the company believe in its potential.
- Community sentiment has turned positive as recent product developments have generated excitement among investors, reflecting growing interest.
- The company's innovative environmental solutions align with increasing market demand for sustainability, positioning it well for future growth.
- Recent partnerships have enhanced BioLargo's visibility and credibility, attracting attention from both investors and industry stakeholders.
Bear Case
- Concerns over cash flow management have surfaced, raising questions about the company's ability to sustain operations without additional funding.
- Some community members express skepticism about the scalability of BioLargo's technologies, fearing they may not meet market demands.
- Recent regulatory challenges have cast a shadow over the company's operations, creating uncertainty about future compliance and potential delays.
- Market perception remains cautious as broader economic conditions could impact investment in smaller, emerging companies like BioLargo.
AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · March 2026
Recent Quarterly Results
| Quarter | Revenue | Net Income | EPS |
|---|---|---|---|
| Q1 2026 | $1M | -$2M | -$0.01 |
| Q4 2025 | $616,000 | -$3M | -$0.01 |
| Q3 2025 | $1M | -$6M | -$0.02 |
| Q2 2025 | $3M | -$1M | -$0.0039 |
Based on FMP financials and quantitative analysis
BLGO Latest News
No recent news available for BLGO.
BLGO Analyst Consensus
Consensus Rating
Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for BLGO.
Price Targets
Wall Street price target analysis for BLGO.
BLGO MoonshotScore
What does this score mean?
The MoonshotScore rates BLGO's growth potential on a scale of 0-100 across multiple factors including innovation, market disruption, financial health, and momentum.
Leadership: Dennis Calvert
CEO
Dennis Calvert leads BioLargo, Inc. as its Chief Executive Officer, overseeing the strategic direction and operational execution for the company's diverse portfolio of environmental engineering technologies. With a team of 40 employees under his management, Mr. Calvert is instrumental in guiding the invention, development, and commercialization efforts across BioLargo's various platform technologies, including those for PFAS remediation, water purification, and industrial odor control. His leadership is critical in navigating the complex landscape of environmental challenges and bringing patented solutions to market.
Track Record: Under Dennis Calvert's leadership, BioLargo, Inc. has focused on advancing its sophisticated platform technologies, securing numerous issued patents that underpin the company's intellectual property. His tenure has seen the development and progression of key innovations such as the Advanced Oxidation system, the Aqueous Electrostatic Concentrator for PFAS removal, and the CupriDyne Clean industrial product line. Mr. Calvert has been central to the company's mission of addressing critical environmental challenges through scientific innovation and engineering services.
BLGO OTC Market Information
BioLargo, Inc. trades on the 'OTC Other' tier of the OTC Markets. This tier represents companies that do not meet the disclosure or financial standards for OTCQX or OTCQB, or that do not qualify for a Pink Current Information designation. Companies in the 'OTC Other' tier typically have less stringent reporting requirements compared to those listed on major exchanges like NYSE or NASDAQ, or even higher OTC tiers. This can result in less publicly available financial and operational information, making due diligence more challenging for investors.
- OTC Tier: OTC Other
- Disclosure Status: Unknown
- Limited public disclosure and transparency compared to exchange-listed companies.
- Potentially lower trading volume and wider bid-ask spreads, leading to reduced liquidity.
- Increased price volatility due to lower liquidity and fewer market participants.
- Greater difficulty in raising capital from institutional investors.
- Limited analyst coverage and media attention, resulting in less information for investors.
- Thoroughly review all available financial statements and corporate filings, even if less frequent.
- Investigate the management team's background, experience, and track record.
- Assess the viability and market potential of the company's patented technologies and products.
- Examine the company's capital structure, debt levels, and cash burn rate.
- Understand the competitive landscape and BioLargo's specific competitive advantages.
- Verify any claims of commercial contracts, partnerships, or product deployments.
- Consider the potential for future uplisting to a higher tier or exchange, and the requirements for such a move.
- Established in 1991, indicating a long operational history.
- Possession of numerous issued patents for its platform technologies.
- Clear focus on addressing significant environmental challenges with specific solutions.
- Identified key product lines such as the Advanced Oxidation system and Aqueous Electrostatic Concentrator.
- Headquartered in Westminster, US, with a physical presence and operations.
Common Questions About BLGO (Basic Materials)
What does BioLargo, Inc. do?
BioLargo, Inc. is an environmental engineering company that invents, develops, and commercializes advanced platform technologies to solve critical environmental problems. Their core business revolves around addressing challenges such as per- and polyfluoroalkyl substances (PFAS) contamination, advanced water and wastewater purification, and the management of industrial odors and volatile organic compounds (VOCs). The company leverages numerous issued patents to offer proprietary solutions like the Aqueous Electrostatic Concentrator for PFAS removal, the Advanced Oxidation system for water treatment, and CupriDyne Clean products for industrial odor control. Additionally, they provide comprehensive environmental engineering services and develop specialized advanced wound care products, demonstrating a diversified approach to technology application.
What are the key financial metrics investors watch for BLGO?
For BioLargo, Inc., investors closely monitor several key financial metrics given its stage and market position. The negative profit margin of -230.1% indicates the company is currently unprofitable, making cash burn and progress towards profitability critical. Conversely, a gross margin of 42.3% suggests healthy margins on its products and services, indicating that if sales scale, profitability could improve. The small market capitalization of $35.30M highlights its micro-cap status, which often comes with higher volatility and risk. As an OTC-listed company, liquidity (trading volume, bid-ask spread) is also a crucial operational metric, as it impacts the ease of buying and selling shares. Investors will also track revenue growth, particularly from commercial contracts for its patented technologies, as a primary indicator of market adoption and future potential.
What are the main risks for BLGO?
BioLargo, Inc. faces several significant risks that investors may want to evaluate. Financially, the company's substantial negative profit margin of -230.1% indicates ongoing unprofitability, raising concerns about its ability to achieve sustainable financial performance without significant increases in revenue and operational efficiency. Furthermore, its listing on the 'OTC Other' market tier presents inherent risks such as less stringent disclosure requirements, potentially lower trading liquidity, and increased price volatility, which can make the stock more challenging to trade and assess. Operationally, the company's success heavily relies on the successful commercialization and widespread adoption of its patented technologies, such as the Aqueous Electrostatic Concentrator for PFAS. Competition from larger, more established environmental technology firms also poses a threat to market penetration and pricing power. Lastly, the ability to secure and scale commercial contracts in a competitive landscape is crucial, and any delays or failures in this area could impede growth.
What are the key factors to evaluate for BLGO?
BioLargo, Inc. (BLGO) holds an AI score of 46/100 (low). Not financial advice.
How frequently does BLGO data refresh on this page?
BLGO prices update in real time during U.S. market hours. Fundamentals refresh after quarterly filings; analyst ratings and AI insights update daily; news is aggregated continuously.
What has driven BLGO's recent stock price performance?
BioLargo, Inc. (BLGO) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Extensive portfolio of issued patents protecting proprietary platform technologies. See the News tab for the latest drivers. Past performance does not predict future results.
Should investors consider BLGO overvalued or undervalued right now?
Valuing BioLargo, Inc. (BLGO) requires multiple metrics. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.
What research should beginners do before buying BLGO?
Before investing in BioLargo, Inc. (BLGO), research these four areas: (1) the company's revenue model and competitive position (see Company Overview), (2) financial health through revenue growth, margins, and cash flow (see MoonshotScore), (3) what Wall Street analysts recommend and their price targets (see Analyst tab), and (4) specific risk factors that could impact the stock (see Risk Factors section).
Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.
Official Resources
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