BioLargo, Inc. (BLGO)

OTCMKTS · Delayed Price · Currency is USD
0.1681
+0.0082 (5.13%)
Oct 13, 2025, 4:00 PM EDT
5.13%
Market Cap49.61M
Revenue (ttm)14.05M
Net Income (ttm)-3.90M
Shares Out310.27M
EPS (ttm)-0.01
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume228,957
Average Volume661,151
Open0.1645
Previous Close0.1599
Day's Range0.1560 - 0.1681
52-Week Range0.1401 - 0.3200
Beta0.01
RSI41.91
Earnings DateNov 14, 2025

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 44
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 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 ...

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BioLargo Protects Its Intellectual Property That Built a National Brand - Pooph's License Was Revoked for Non-Payment and Unauthorized Activities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

6 days 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...

14 days 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...

17 days 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...

18 days 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...

2 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...

2 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...

2 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...

3 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...

3 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...

4 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...

5 months ago - Accesswire

BioLargo Subsidiary Clyra Medical Advances Product Distribution Through a Series of Agreements

WESTMINSTER, CA / ACCESS Newswire / May 13, 2025 / BioLargo, Inc. (OTCQX:BLGO), a company that creates and commercializes sustainable technologies to solve tough environmental and health challenges, t...

5 months ago - Accesswire

BioLargo's PFAS Solution Provides Dramatic Long-Term Cost Savings Compared with Incumbent Technologies

Case studies show the company's innovative capture + destruction two-step approach can offer a scalable, economically feasible solution for PFAS elimination from drinking water, wastewater, and landfi...

5 months ago - Accesswire

BioLargo to Present at the LD Micro Invitational XV

Westminster, California--(Newsfile Corp. - April 4, 2025) - BioLargo, Inc. (OTCQX: BLGO), a company that creates and commercializes sustainable technologies to solve tough environmental and cleantech ...

6 months ago - Newsfile Corp

Cleantech Innovator BioLargo Reports Record Revenues in 2024 Annual Report

Revenues up 45% over prior year WESTMINSTER, CALIFORNIA / ACCESS Newswire / April 1, 2025 / BioLargo, Inc. (OTCQX:BLGO), a company that creates and commercializes sustainable technologies to solve tou...

6 months ago - Accesswire

BioLargo to Present at the AI & Technology Virtual Investor Conference April 3, 2025

Company invites individual and institutional investors, as well as advisors and analysts, to attend online at VirtualInvestorConferences.com Company invites individual and institutional investors, as ...

6 months ago - GlobeNewsWire

BioLargo, Inc. (BLGO) Q4 2024 Earnings Call Transcript

BioLargo, Inc. (OTCQX:BLGO) Q4 2024 Earnings Conference Call March 31, 2025 4:00 PM ET Company Participants Brian Loper - Investor Relations Dennis Calvert - Chief Executive Officer Charlie Dargan - C...

7 months ago - Seeking Alpha

BioLargo Year-End 2024 Earnings Results Webcast and Conference Call on Monday, March 31, 2025 - 4:00 PM Eastern Time

WESTMINSTER, CALIFORNIA / ACCESS Newswire / March 28, 2025 / BioLargo, Inc. (OTCQX:BLGO), a developer of sustainable technologies and full-service environmental engineering company, announced it will ...

7 months ago - Accesswire

BioLargo Invited to Showcase PFAS Treatment Technology at Industry Leading Water Conference

Company will report on successful removal and destruction of PFAS from landfill leachate at the Air & Waste Management Association's - The Science of PFAS Conference on March 12, 2025 WESTMINSTER, CA ...

7 months ago - Accesswire

BioLargo Provides 2024 Review and 2025 Outlook

Continued Strong Revenue Growth; Zero Share Dilution in 2nd Half of 2024 WESTMINSTER, CA / ACCESSWIRE / January 15, 2025 / BioLargo, Inc. (OTCQX:BLGO), a company that creates and commercializes sustai...

9 months ago - Accesswire

BioLargo Provides 2024 Review and 2025 Outlook

BioLargo, Inc. (OTCQX:BLGO), a company that creates and commercializes sustainable technologies to solve tough environmental and cleantech challenges, is pleased to provide a recap of its successful 2...

9 months ago - Accesswire

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

WESTMINSTER, CA / ACCESSWIRE / December 12, 2024 / BioLargo, Inc. (OTCQX:BLGO), a company that creates and commercializes sustainable technologies to solve tough environmental and cleantech challenges...

10 months ago - Accesswire

BioLargo's Year-to-Date Revenues Up 80%

Annual revenue record secured, with one quarter remaining WESTMINSTER, CA / ACCESSWIRE / November 15, 2024 / BioLargo, Inc. (OTCQX:BLGO), a company that creates and commercializes sustainable technolo...

11 months ago - Accesswire

BioLargo Q3 2024 Earnings Results Webcast and Conference Call on Thursday, November 14, 2024 - 4:30 PM Eastern Time

WESTMINSTER, CA / ACCESSWIRE / November 13, 2024 / BioLargo, Inc. (OTCQX:BLGO), a developer of sustainable technologies and full-service environmental engineering company, announced it will host an in...

11 months ago - Accesswire