Open an account

BioLargo

BLGO · OTC

$0.0693−$0.0032 (−4.41%)TodayMarket closed ·
Prev close $0.0725

About BLGO

BioLargo, Inc. engages in the provision of technology solutions for odor and moisture control, disinfection, and water treatment. The company is headquartered in Westminster, California and currently employs 44 full-time employees. The Company’s core products address polyfluoroalkyl substances (PFAS) contamination, achieve advanced water and wastewater treatment, control odor and VOCs. The firm operates in distinct business segments, including ONM Environmental, which manufactures and sells its odor and VOC control products and services, including its flagship product, CupriDyne Clean; BLEST, which provides professional engineering services; Clyra Medical, which develops and sells medical products based on its technology; BETI, which develops its battery technology; BEST, which sells equipment based on its technology; BioLargo Canada, located in Edmonton, Alberta, Canada, has its primary research and development activities; and corporate operations, which support the operating segments with legal, accounting, human resources, and other services.

Employees
44
Headquarters
Westminster, California
Listed
Dec 12, 1991
Sector
Materials
Industry
Chemicals
Website
biolargo.com

BLGO key statistics

Market cap
22.78M
Price-earnings ratio
0.00
Dividend yield
—
Average volume
436.60K
Volume
319.48K
Open price
$0.0725
High today
$0.0725
Low today
$0.0672
52 Week high
$0.196
52 Week low
$0.0675

BioLargo (BLGO) at a glance

As of Oct 20, 2026, BioLargo (BLGO) shares are priced at $0.0693, giving the company a market cap of 22.78M and a price-to-earnings ratio of 0.00.

Today the stock has traded between $0.0672 and $0.0725. The current price is 3.1% above the day's low and 4.4% below its high.

Volume so far is 319.48K shares, below the average of 436.60K shares a day.

Over the past year BioLargo has ranged from $0.0675 to $0.196, and now sits 1% of the way up that range.

BioLargo met or beat analyst EPS estimates in 4 of the last 8 quarters. In Q2 FY26 it reported -$0.01 per share against an estimate of -$0.0102.

BLGO earnings

Earnings per share, reported against the analyst estimate

Beat the estimate in 4 of the last 8 quarters, by 16.7% on average.

  1. Q3 FY24: reported -$0.002 per share against an estimate of $0.00
  2. Q4 FY24: reported -$0.005 per share against an estimate of $0.00
  3. Q1 FY25: reported -$0.004 per share against an estimate of $0.00
  4. Q2 FY25: reported -$0.004 per share against an estimate of -$0.0102
  5. Q3 FY25: reported -$0.01 per share against an estimate of -$0.0102
  6. Q4 FY25: reported -$0.012 per share against an estimate of -$0.0102
  7. Q1 FY26: reported -$0.01 per share against an estimate of -$0.0102
  8. Q2 FY26: reported -$0.01 per share against an estimate of -$0.0102

BLGO news

  • Press releasePRNewswire

    /C O R R E C T I O N from Tũ Nipi Water Solutions Ltd./

  • Press releaseACCESS Newswire

    BioLargo Provides Review of 2025 Accomplishments and Insights for Coming Year

  • Press releaseACCESSWIRE

    BioLargo, Inc. CEO Dennis P. Calvert Appointed to U.S. Department of Commerce Environmental Technologies Trade Advisory Committee (ETTAC)

Similar companies

Companies in the same industry as BioLargo

Most active stocks

Highest trading volume today

Newly listed

Companies that went public in the past six weeks

Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.