NanobiotixNBTX +3.18%24 FCF Margin % is -347.80% as of Dec. 2025. GuruFocus rates NBTX with a GF Score™ of 24/100. The stock has 3 warning signs investors should review. Among 959 Biotechnology companies, Nanobiotix ranks worse than 54.01% on this metric.
FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Nanobiotix's Free Cash Flow for the
six
months ended in Dec. 2025 was $-19.20 Mil. Nanobiotix's Revenue for the
six
months ended in Dec. 2025 was $5.52 Mil. Therefore, Nanobiotix's FCF Margin % for the quarter that ended in Dec. 2025 was -347.80%.
The historical rank and industry rank for Nanobiotix's FCF Margin % or its related term are showing as below:
NBTX'
s FCF Margin % Range Over the Past 10 Years
Min: -301050 Med: -8883.33 Max: 175.7
Current: -115.15
During the past 13 years, the highest FCF Margin % of Nanobiotix was 175.70%. The lowest was -301050.00%. And the median was -8883.33%.
NBTX's FCF Margin % is ranked worse than 54.01% of 959
companies
in the Biotechnology industry
Industry Median: -84.65
vs NBTX: -115.15
Nanobiotix FCF Margin % Related Terms
Nanobiotix FCF Margin % Historical Data
* Premium members only.
The historical data trend for Nanobiotix's FCF 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.
For the Biotechnology subindustry, Nanobiotix's FCF Margin %, along with its competitors' market caps and FCF 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.
Nanobiotix FCF Margin % vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Nanobiotix's FCF Margin % distribution charts can be found below:
* The bar in red indicates where Nanobiotix's FCF 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.
Nanobiotix (NBTX) has a FCF Margin % of -347.80% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Nanobiotix and its competitors. According to the industry distribution chart, Nanobiotix ranks #518 out of 959 companies in the Biotechnology industry, placing it in the top 54%.
Is Nanobiotix's FCF Margin % too high?
Nanobiotix's current FCF Margin % is -347.80%. Based on the distribution chart, Nanobiotix ranks #518 out of 959 companies in the Biotechnology industry, which is below the industry midpoint. Overall, Nanobiotix has a GF Score™ of 24/100, reflecting its overall financial health beyond just this single metric.
How does Nanobiotix's FCF Margin % compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Nanobiotix ranks #518 out of 959 companies for FCF Margin %. This places Nanobiotix in the lower half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for a Biotechnology company?
A good FCF Margin % depends on the Biotechnology industry context. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Nanobiotix and its competitors. Nanobiotix's current FCF Margin % is -347.80%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Nanobiotix stock overvalued right now?
Nanobiotix (NBTX) has a current FCF Margin % of -347.80%. The current FCF Margin % is -347.80%. Nanobiotix's overall GF Score™ is 24/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Nanobiotix (NBTX), the current FCF Margin % is -347.80% as of Dec. 2025. 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.
Nanobiotix SA is a late-stage clinical biotechnology company focused on re-inventing medicine by building new therapies atom by atom, developing widely applicable, first-in-class, physics-based nanotherapeutics to transform treatment outcomes and expand life for millions of patients. The objective of this physics-based approach is to allow nanoparticles to be combined with other drugs or therapeutic modalities and to integrate seamlessly into clinical practice without adding burden for the patient, healthcare provider, or healthcare system. It has three platforms Nanoradioenhancer platform: Nanoprimer platform: and Neurological disease platform. It has one segment, which is the research and development of product candidates that use proprietary nanotechnology to transform cancer treatment.
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