BioLargo, Inc. (BLGO)

OTCMKTS · Delayed Price · Currency is USD
0.1850
-0.0050 (-2.63%)
Jan 23, 2026, 3:02 PM EST
-32.16%
Market Cap59.19M
Revenue (ttm)10.81M
Net Income (ttm)-9.84M
Shares Out315.86M
EPS (ttm)-0.03
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume247,323
Average Volume315,941
Open0.1840
Previous Close0.1900
Day's Range0.1810 - 0.1896
52-Week Range0.1401 - 0.3000
Beta-0.20
RSI50.86
Earnings DateMar 30, 2026

About BioLargo

BioLargo, Inc. invents, develops, and commercializes various platform technologies. The company’s 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. It provides full-service environmental engineering services. BioLargo, Inc. is based in Westminster, California. [Read more]

Industry Chemicals
Sector Materials
Founded 1991
Employees 42
Stock Exchange OTCMKTS
Ticker Symbol BLGO
Full Company Profile

Financial Performance

In 2024, BioLargo's revenue was $17.78 million, an increase of 45.37% compared to the previous year's $12.23 million. Losses were -$2.40 million, -31.45% less than in 2023.

Financial Statements

News

BioLargo to Present at Sidoti's Micro-Cap Virtual Conference on Thursday January 22nd at 1pm EST

WESTMINSTER, CA / ACCESS Newswire / January 16, 2026 / BioLargo, Inc. (OTCQX:BLGO), a company that creates and commercializes sustainable technologies to solve challenging environmental and cleantech ...

7 days ago - Accesswire

BioLargo Reflects on 2025 Progress and Positions for the Next Phase of Global Infrastructure, Environmental, and Medical Innovation

WESTMINSTER, CALIFORNIA / ACCESS Newswire / December 29, 2025 / BioLargo, Inc. (OTCQX:BLGO), a cleantech innovator focused on sustainable water and environmental solutions, announced that it had deliv...

25 days ago - Accesswire

BioLargo Subsidiary BEST Featured in Chemical Engineering Magazine for PFAS Breakthrough

Lake Stockholm, NJ AEC System Delivered and Preparing to Go Live WESTMINSTER, CALIFORNIA / ACCESS Newswire / December 3, 2025 / BioLargo, Inc. (OTCQX:BLGO), a cleantech innovator focused on sustainabl...

7 weeks ago - Accesswire

BioLargo to Present at NobleCon's 21st Annual Emerging Growth Equity Conference, Dec. 2-3, 2025

Westminster, California--(Newsfile Corp. - November 21, 2025) - BioLargo, Inc. (OTCQX: BLGO), a company that creates and commercializes sustainable technologies to solve challenging environmental and ...

2 months ago - Newsfile Corp

BioLargo Reports Q3 2025 Operating and Financial Results

$4.5 Million Cash Balance at Quarter-End as High-Impact Technology Portfolio Advances WESTMINSTER, CALIFORNIA / ACCESS Newswire / November 17, 2025 / BioLargo, Inc. (OTCQX:BLGO), a company that create...

2 months ago - Accesswire

BioLargo, Inc. (BLGO) Q3 2025 Earnings Call Transcript

BioLargo, Inc. (OTCQX:BLGO) Q3 2025 Earnings Call November 14, 2025 4:30 PM EST Company Participants Dennis Calvert - Chairman, President & CEO Dennis Calvert - Chief Financial Officer Conference Call...

2 months ago - Seeking Alpha

BioLargo Q3 2025 Earnings Results Webcast and Conference Call on Friday, November 14th, 2025 - 4:30 PM Eastern Time

WESTMINSTER, CA / ACCESS Newswire / November 13, 2025 / BioLargo, Inc. (OTCQX:BLGO), a developer of sustainable technologies and full-service environmental engineering company, announced it will host ...

2 months ago - Accesswire

BioLargo Subsidiary Clyra Medical Technologies Forms Strategic Alliance with Advanced Solution to Launch ViaCLYR(TM) Wound Irrigation Solution Nationwide

Distribution Agreement Brings Innovative Copper-Iodine Complex Technology to Wound Care Market WESTMINSTER, CALIFORNIA / ACCESS Newswire / November 13, 2025 / BioLargo, Inc. (OTCQX:BLGO), a cleantech ...

2 months ago - Accesswire

BioLargo Files Federal Lawsuit Against Pooph Inc.

Nine-count complaint alleges fraud, false advertising, breach of contract, and patent infringement WESTMINSTER, CA / ACCESS Newswire / November 12, 2025 / BioLargo, Inc. (OTCQX:BLGO), a cleantech inno...

2 months ago - Accesswire

BioLargo Cuts AEC PFAS Treatment Energy Use by >90%, Unlocking Commercial-Scale Water Solutions with Unmatched Total Life Cycle Cost Savings

WESTMINSTER, CA / ACCESS Newswire / November 3, 2025 / BioLargo, Inc. (OTCQX:BLGO), a cleantech innovator that develops and commercializes sustainable technologies, today announced a breakthrough upgr...

2 months ago - Accesswire

BioLargo Presentation Deck at LD Micro Event Available Online

Cellinity battery cell technology, BioLargo's role in the global AI infrastructure investment cycle, and a general corporate update are featured in the presentation. WESTMINSTER, CA / ACCESS Newswire ...

3 months ago - Accesswire

Biolargo Invites You to the Sustain SoCal 16th Annual Energy Event - A Premier Gathering for Clean Energy Innovation

WESTMINSTER, CA / ACCESS Newswire / October 14, 2025 / BioLargo, Inc. (OTCQX:BLGO), a cleantech innovator that creates and commercializes sustainable technologies is excited to invite professionals, i...

3 months ago - Accesswire

BioLargo to Present Its Cellinity Battery Technology at LD Micro Main Event XIX in San Diego on Monday, October 20, at 2:00 p.m. PT

Cellinity is a breakthrough battery storage solution for AI infrastructure that eliminates the need for rare earth elements WESTMINSTER, CA / ACCESS Newswire / October 14, 2025 / BioLargo, Inc. (OTCQX...

3 months ago - Accesswire

BioLargo Subsidiary Clyra Medical Accelerates Toward Near-Term Product Launches and Global Expansion

Initial Commercialization Targeting $732 Million Wound Care Market is Expected in Late 2025 or Early 2026 WESTMINSTER, CALIFORNIA / ACCESS Newswire / October 13, 2025 / BioLargo, Inc. (OTCQX:BLGO), a ...

3 months ago - Accesswire

BioLargo Protects Its Intellectual Property That Built a National Brand - Pooph's License Was Revoked for Non-Payment and Unauthorized Activities

WESTMINSTER, CA / ACCESS Newswire / October 7, 2025 / BioLargo, Inc. (OTCQX:BLGO), a cleantech innovator that creates and commercializes sustainable technologies, today reaffirmed its commitment to pr...

3 months ago - Accesswire

BioLargo Demonstrates Over 99% Removal of Ultrashort-Chain PFAS Including TFA Using Aqueous Electrostatic Concentration Technology

WESTMINSTER, CALIFORNIA / ACCESS Newswire / September 29, 2025 / BioLargo, Inc. (OTCQX:BLGO), a cleantech innovator that creates and commercializes sustainable technologies, today announced compelling...

4 months ago - Accesswire

BioLargo to Showcase Breakthrough PFAS Solutions at WEFTEC 2025, Booth #6009

WESTMINSTER, CALIFORNIA / ACCESS Newswire / September 26, 2025 / BioLargo, Inc. (OTCQX:BLGO), a cleantech innovator that creates and commercializes sustainable technologies, announced today that it wi...

4 months ago - Accesswire

BioLargo Protects its Intellectual Property, Revokes Pooph License Due to Failure to Pay and Other Contract Breaches

Pooph owes BioLargo $3.8 million WESTMINSTER, CA / ACCESS Newswire / September 25, 2025 / BioLargo, Inc. (OTCQX:BLGO), a cleantech innovator that creates and commercializes sustainable technologies, t...

4 months ago - Accesswire

BioLargo Reports Q2 2025 Operating and Financial Results

Significantly Advances Energy Technologies and Clyra Medical Technologies WESTMINSTER, CA / ACCESS Newswire / August 13, 2025 / BioLargo, Inc. (OTCQX:BLGO), a company that creates and commercializes s...

5 months ago - Accesswire

BioLargo Q2 2025 Earnings Results Webcast and Conference Call on Friday, August 15, 2025 - 11 AM Eastern Time

WESTMINSTER, CA / ACCESS Newswire / August 13, 2025 / BioLargo, Inc. (OTCQX:BLGO), a developer of sustainable technologies and full-service environmental engineering company, announced it will host an...

5 months ago - Accesswire

BioLargo Provides Review of 2025 Accomplishments and Insights for Coming Year

Letter to stockholders WESTMINSTER, CALIFORNIA / ACCESS Newswire / July 23, 2025 / BioLargo, Inc. (OTCQX:BLGO), a company that creates and commercializes sustainable technologies to solve tough enviro...

6 months ago - Accesswire

BioLargo Initiates Alpha Testing of Verralize's Portable PFAS Test Kit to Validate Performance for Future Commercialization

WESTMINSTER, CA / ACCESS Newswire / July 1, 2025 / BioLargo, Inc. (OTCQX:BLGO), a company that creates and commercializes sustainable technologies to solve tough environmental and cleantech challenges...

7 months ago - Accesswire

BioLargo Announces Results of 2025 Annual Stockholder Meeting

No immediate intention to proceed with a reverse stock split - "This vote empowers us to be ready when the time is right." WESTMINSTER, CA / ACCESS Newswire / June 26, 2025 / BioLargo, Inc. (OTCQX:BLG...

7 months ago - Accesswire

Independent Evaluation Confirms Breakthrough Performance of BioLargo's Cellinity Battery Technology for Grid-Scale Energy Storage

WESTMINSTER, CALIFORNIA / ACCESS Newswire / June 18, 2025 / BioLargo, Inc. (OTCQX:BLGO), a company that creates and commercializes sustainable technologies to solve tough environmental and cleantech c...

7 months ago - Accesswire

BioLargo Q1 2025 Earnings Results Webcast and Conference Call on Thursday, May 15, 2025 - 4:30 PM Eastern Time

WESTMINSTER, CA / ACCESS Newswire / May 14, 2025 / BioLargo, Inc. (OTCQX:BLGO), a company that creates and commercializes sustainable technologies to solve tough environmental and health challenges, a...

9 months ago - Accesswire