* 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 Electrical Equipment & Parts subindustry, Invinity Energy Systems'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.
Invinity Energy Systems FCF Margin % vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Invinity Energy Systems's FCF Margin % distribution charts can be found below:
* The bar in red indicates where Invinity Energy Systems'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.
Invinity Energy Systems (STU:A10) has a FCF Margin % of -272.78% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Invinity Energy Systems and its competitors. According to the industry distribution chart, Invinity Energy Systems ranks #2984 out of 3030 companies in the Industrial Products industry, placing it in the top 98.5%.
Is Invinity Energy Systems' FCF Margin % too high?
Invinity Energy Systems' current FCF Margin % is -272.78%. Based on the distribution chart, Invinity Energy Systems ranks #2984 out of 3030 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Invinity Energy Systems has a GF Score™ of 46/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Invinity Energy Systems' FCF Margin % compare to VRT and BE?
According to the Industrial Products industry distribution chart, Invinity Energy Systems ranks #2984 out of 3030 companies for FCF Margin %. This places Invinity Energy Systems in the lower half of its industry. The industry median FCF Margin % is 1.55. 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 an Industrial Products company?
The median FCF Margin % among Industrial Products companies is 1.55, based on 3,030 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. 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 Invinity Energy Systems and its competitors. For the Industrial Products industry, the median FCF Margin % is 1.55 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Invinity Energy Systems's current FCF Margin % is -272.78%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Invinity Energy Systems stock overvalued right now?
Based on GuruFocus' analysis, Invinity Energy Systems (STU:A10) is currently considered Significantly Overvalued. The stock's GF Value™ is €0.10, compared to a current price of €0.34 — trading 240% above its estimated fair value. The current FCF Margin % is -272.78%. Invinity Energy Systems' overall GF Score™ is 46/100 with 6 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 Invinity Energy Systems (STU:A10), the current FCF Margin % is -272.78% 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.
Is Invinity Energy Systems (STU:A10) Overvalued in 2026?
Based on GuruFocus' analysis, Invinity Energy Systems stock appears to be overvalued.
The current stock price of €0.34 is trading 240% above its estimated GF Value™ of €0.10.
GuruFocus considers Invinity Energy Systems to be Significantly Overvalued.
Key valuation signals for STU:A10:
FCF Margin %: -272.78%
GF Value™: €0.10 vs. price of €0.34 (240% above fair value)
No single metric tells the full story. See the STU:A10 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Invinity Energy Systems PLC operates in the manufacturing of vanadium flow battery systems and their related installation and other services. Its vanadium flow batteries are a form of heavy-duty, stationary energy storage, used in high-utilization applications such as being coupled with industrial-scale solar generation for distributed, low-carbon energy projects. The company's flow battery systems are ideal for commercial and industrial sites, grid network infrastructure projects, and off-grid applications, either standalone or alongside renewable energy such as solar PV. It generates the majority of its revenue from the sale of Battery systems and associated control systems.
46GF Score
Get the complete analysis for STU:A10
FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
STU:A10 has been successfully added to your 
