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BioLargoBLGO +1.44% Gross Margin % is 54.09% as of Jun. 2026, which is 15% above its 10-year median of 47.05. The stock has 8 warning signs investors should review. Among 1,566 Chemicals companies, BioLargo ranks better than 81.8% on this metric.
Gross Margin % is calculated as gross profit divided by its revenue. BioLargo's Gross Profit for the
three
months ended in Jun. 2026 was $0.68 Mil. BioLargo's Revenue for the
three
months ended in Jun. 2026 was $1.25 Mil. Therefore, BioLargo's Gross Margin % for the quarter that ended in Jun. 2026 was 54.09%.
Warning Sign:
BioLargo Inc gross margin has been in long-term decline. The average rate of decline per year is -1.8%.
The historical rank and industry rank for BioLargo's Gross Margin % or its related term are showing as below:
BLGO'
s Gross Margin % Range Over the Past 10 Years
Min: 37.4 Med: 47.05 Max: 62.28
Current: 40
During the past 13 years, the highestGross Margin % of BioLargo was 62.28%. The lowest was 37.40%. And the median was 47.05%.
BLGO's Gross Margin % is ranked better than 81.8% of 1566
companies
in the Chemicals industry
Industry Median: 24.04
vs BLGO: 40.00
BioLargo had a gross margin of 54.09% for the quarter that ended in Jun. 2026 => Durable competitive advantage
The 5-Year average Growth Rate of Gross Margin for BioLargo was -1.80% per year.
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
BioLargo had a gross margin of 54.09% for the quarter that ended in Jun. 2026 => Durable competitive advantage
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
BioLargo Gross Margin % Related Terms
BioLargo Gross Margin % Historical Data
* Premium members only.
The historical data trend for BioLargo's Gross Margin % can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
BLGO vs BIOF, LOOP, NNUP: Gross Margin % Comparison
For the Specialty Chemicals subindustry, BioLargo's Gross Margin %, along with its competitors' market caps and Gross Margin % data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
BioLargo Gross Margin % vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, BioLargo's Gross Margin % distribution charts can be found below:
* The bar in red indicates where BioLargo's Gross Margin % falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
BioLargo (BLGO) has a Gross Margin % of 54.09% as of Jun. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on BioLargo and its competitors. This is 15% above median its historical median of 47.05. Over the past decade, BioLargo's Gross Margin % has ranged from 37.40 to 62.28. According to the industry distribution chart, BioLargo ranks #285 out of 1566 companies in the Chemicals industry, placing it in the top 18.2%.
Is BioLargo's Gross Margin % too high?
BioLargo's current Gross Margin % of 54.09% is 15% above median its 10-year median of 47.05. Over the past 10 years, this metric has ranged from a low of 37.40 to a high of 62.28. The Chemicals industry median Gross Margin % is 24.04. BioLargo's value of 54.09% is 125% above this industry median. Based on the distribution chart, BioLargo ranks #285 out of 1566 companies in the Chemicals industry, which is in the top quartile — a strong position relative to peers.
How does BioLargo's Gross Margin % compare to BIOF and LOOP?
According to the Chemicals industry distribution chart, BioLargo ranks #285 out of 1566 companies for Gross Margin %. This places BioLargo in the top 18% of its industry — outperforming the majority of peers. The industry median Gross Margin % is 24.04. BioLargo's value of 54.09% is 125% above this benchmark. Historically, BioLargo's own Gross Margin % has ranged from 37.40 to 62.28 over the past decade. While the company's 10-year median is 47.05 vs. the industry median of 24.04, BioLargo has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Gross Margin % for a Chemicals company?
The median Gross Margin % among Chemicals companies is 24.04, based on 1,566 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. BioLargo's current Gross Margin % of 54.09% is 125% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on BioLargo and its competitors. For the Chemicals industry, the median Gross Margin % is 24.04 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. BioLargo's current Gross Margin % is 54.09%, which is 15% above median its own 10-year median of 47.05. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is BioLargo stock overvalued right now?
Based on GuruFocus' analysis, BioLargo (BLGO) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.07, compared to a current price of $0.09 — trading 35.5% above its estimated fair value. The current Gross Margin % is 54.09%, which is 15% above median its 10-year median of 47.05 and 125% above the Chemicals industry median of 24.04. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For BioLargo (BLGO), the current Gross Margin % is 54.09% as of Jun. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
BioLargo Inc invents, develops, and commercializes platform technologies to solve challenging environmental problems like PFAS contamination, water and wastewater treatment, industrial odor, VOC control, air quality control, and infection control. The company has six segments: ONM Environmental; Clyra Medical; BLEST; BETI; BEST; and BioLargo Canada. ONM Environmental, which sells odor and volatile organic control products and services, located in Westminster, California, derives the maximum revenue.
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