BioLargo (BLGO) Stock Price, News & Analysis

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.

Key Stats

• Today's Range: $0.17 to $0.18
• 50-Day Range: $0.17 to $0.22
• 52-Week Range: $0.16 to $0.32
• Volume: 364,136 shs
• Average Volume: 314,548 shs
• Market Capitalization: $51.60 million
• P/E Ratio: N/A
• Dividend Yield: N/A
• Price Target: N/A
• Consensus Rating: N/A

BLGO Stock Analysis - Frequently Asked Questions

How have BLGO shares performed this year?

BioLargo's stock was trading at $0.19 at the beginning of 2025. Since then, BLGO stock has decreased by 11.6% and is now trading at $0.1679.

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

• Today: 8/09/2025
• Fiscal Year End: 12/31/2025

Industry, Sector and Symbol

• Stock Exchange: NASDAQ
• Sector: Construction
• Industry: Chemicals & allied products
• Sub-Industry: Chemicals
• Current Symbol: NASDAQ:BLGO
• CIK: 880242
• Web: www.biolargo.com
• Phone: (888) 400-2863
• Fax: 949-625-9819
• Employees: 30
• Year Founded: 1989

Profitability

• EPS (Trailing Twelve Months): ($0.01)
• Trailing P/E Ratio: N/A
• Forward P/E Ratio: N/A
• P/E Growth: N/A
• Net 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 Ratio: 0.03
• Current Ratio: 2.31
• Quick Ratio: 2.24

Sales & Book Value

• Annual Sales: $12.23 million
• Price / Sales: 4.22
• Cash Flow: N/A
• Price / Cash Flow: N/A
• Book Value: $0.01 per share
• Price / Book: 16.79

Miscellaneous

• Outstanding Shares: 307,300,000
• Free Float: 240,168,000
• Market Cap: $51.60 million
• Optionable: Not Optionable
• Beta: 0.05