BioLargo, Inc., an American company operating within the Materials sector, specifically in the Chemicals industry, has recently made significant strides in addressing environmental challenges. The company, listed on the OTC Bulletin Board, specializes in developing and commercializing innovative platform technologies aimed at tackling various environmental issues. These include PFAS contamination, advanced water and wastewater treatment, industrial odor and VOC control, air quality, and infection control. BioLargo also provides environmental engineering services, peer-reviewed and validated products, issued patents, and distribution through its subsidiaries.
On January 27, 2026, BioLargo announced the installation of an AEC PFAS treatment system at Lake Stockholm, New Jersey. This development underscores the company’s commitment to addressing PFAS contamination, a pressing environmental concern. The AEC PFAS treatment system represents a significant advancement in the company’s portfolio of environmental solutions, further solidifying its position as a leader in innovative environmental technologies.
Financially, BioLargo’s stock has experienced notable volatility over the past year. As of February 5, 2026, the company’s closing price was $0.18. The share price has fluctuated between a low of $0.14 on September 24, 2025, and a high of $0.30 on March 23, 2025, reflecting a 66% swing. This volatility highlights the challenges and opportunities within the environmental technology sector.
The company’s financial metrics reveal a complex picture. With a price-to-earnings ratio of -5.66, BioLargo is currently operating at a loss, indicating that the company is not yet profitable. Additionally, the price-to-book ratio of 8.59 suggests that the market valuation of BioLargo exceeds its net asset base, which may reflect investor confidence in the company’s future growth potential despite current financial losses.
BioLargo’s market capitalization stands at $55,590,000 USD, reflecting its current market valuation. The company’s initial public offering (IPO) took place on December 12, 1991, marking over three decades of its presence in the public market.
In summary, BioLargo, Inc. continues to focus on developing and implementing innovative solutions to critical environmental issues. While the company faces financial challenges, as evidenced by its negative earnings yield and high price-to-book ratio, its recent technological advancements and commitment to environmental engineering position it as a key player in the industry. For more detailed information about BioLargo’s initiatives and financial performance, interested parties can visit their website at www.biolargo.com .
