Adtran Networks SE (WBO:ADV) FCF Margin %: 5.70% (As of Dec. 2025) — 371% Above Median


WBO:ADV Adtran Networks SE WBO:ADV
51 GF Score
Price €22.80
GF Value €19.99
! 4 Warning Signs
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What is Adtran Networks SE FCF Margin %?

Adtran Networks SE WBO:ADV 51 FCF Margin % is 5.70% as of Dec. 2025, which is 371% above its 10-year median of 1.21. GuruFocus rates WBO:ADV with a GF Score™ of 51/100 and a GF Value™ of €19.99. The stock has 4 warning signs investors should review. Among 2,468 Hardware companies, Adtran Networks SE ranks better than 61.14% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Adtran Networks SE's Free Cash Flow for the six months ended in Dec. 2025 was €14.7 Mil. Adtran Networks SE's Revenue for the six months ended in Dec. 2025 was €257.9 Mil. Therefore, Adtran Networks SE's FCF Margin % for the quarter that ended in Dec. 2025 was 5.70%.

As of today, Adtran Networks SE's current FCF Yield % is 1.36%.

The historical rank and industry rank for Adtran Networks SE's FCF Margin % or its related term are showing as below:

WBO:ADV' s FCF Margin % Range Over the Past 10 Years
Min: -8.19   Med: 1.21   Max: 9.78
Current: 3.33


During the past 13 years, the highest FCF Margin % of Adtran Networks SE was 9.78%. The lowest was -8.19%. And the median was 1.21%.

WBO:ADV's FCF Margin % is ranked better than
61.14% of 2468 companies
in the Hardware industry
Industry Median: 0.63 vs WBO:ADV: 3.33


Adtran Networks SE FCF Margin % Related Terms


Adtran Networks SE FCF Margin % Historical Data

* Premium members only.

The historical data trend for Adtran Networks SE'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.

Adtran Networks SE FCF Margin % Chart

Adtran Networks SE Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
FCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 9.78 -8.19 -3.72 0.13 3.33

Adtran Networks SE Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
FCF Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -4.66 8.46 -8.11 0.60 5.70

WBO:ADV vs CSCO, CIEN, MSI: FCF Margin % Comparison

For the Communication Equipment subindustry, Adtran Networks SE'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.


Adtran Networks SE FCF Margin % vs Hardware Industry

For the Hardware industry and Technology sector, Adtran Networks SE's FCF Margin % distribution charts can be found below:

* The bar in red indicates where Adtran Networks SE's FCF Margin % falls into.


WBO:ADV
51GF Score
Adtran Networks SE WBO:ADV
FCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Adtran Networks SE FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

Adtran Networks SE's FCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=16.055/481.747
=3.33 %

Adtran Networks SE's FCF Margin for the quarter that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=14.701/257.888
=5.70 %

* 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.

Frequently Asked Questions Learn more about FCF Margin % →
What does a FCF Margin % of 5.70% mean?
Adtran Networks SE (WBO:ADV) has a FCF Margin % of 5.70% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Adtran Networks SE and its competitors. This is 371% above median its historical median of 1.21. According to the industry distribution chart, Adtran Networks SE ranks #959 out of 2468 companies in the Hardware industry, placing it in the top 38.9%.
Is Adtran Networks SE's FCF Margin % too high?
Adtran Networks SE's current FCF Margin % of 5.70% is 371% above median its 10-year median of 1.21. The Hardware industry median FCF Margin % is 0.63. Adtran Networks SE's value of 5.70% is 804.8% above this industry median. Based on the distribution chart, Adtran Networks SE ranks #959 out of 2468 companies in the Hardware industry, which is above the industry midpoint. Overall, Adtran Networks SE has a GF Score™ of 51/100, reflecting its overall financial health beyond just this single metric.
How does Adtran Networks SE's FCF Margin % compare to CSCO and CIEN?
According to the Hardware industry distribution chart, Adtran Networks SE ranks #959 out of 2468 companies for FCF Margin %. This puts Adtran Networks SE in the upper half of its industry. The industry median FCF Margin % is 0.63. Adtran Networks SE's value of 5.70% is 804.8% above this benchmark. While the company's 10-year median is 1.21 vs. the industry median of 0.63, Adtran Networks SE 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 FCF Margin % for a Hardware company?
The median FCF Margin % among Hardware companies is 0.63, based on 2,468 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. Adtran Networks SE's current FCF Margin % of 5.70% is 804.8% 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 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 Adtran Networks SE and its competitors. For the Hardware industry, the median FCF Margin % is 0.63 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Adtran Networks SE's current FCF Margin % is 5.70%, which is 371% above median its own 10-year median of 1.21. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Adtran Networks SE stock overvalued right now?
Adtran Networks SE (WBO:ADV) has a current FCF Margin % of 5.70%. The stock's GF Value™ is €19.99, compared to a current price of €22.80 — trading 14.1% above its estimated fair value. The current FCF Margin % is 5.70%, which is 371% above median its 10-year median of 1.21 and 804.8% above the Hardware industry median of 0.63. Adtran Networks SE's overall GF Score™ is 51/100 with 4 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 Adtran Networks SE (WBO:ADV), the current FCF Margin % is 5.70% 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 Adtran Networks SE (WBO:ADV) Overvalued in 2026?

Based on GuruFocus' analysis, Adtran Networks SE stock appears to be overvalued. The current stock price of €22.80 is trading 14.1% above its estimated GF Value™ of €19.99.

Key valuation signals for WBO:ADV:

  • FCF Margin %: 5.70% (371% above median its 10-year median of 1.21)
  • GF Value™: €19.99 vs. price of €22.80 (14.1% above fair value)
  • GF Score™: 51/100 with 4 warning signs
  • Industry Position: 804.8% above the Hardware median (#959 of 2468)

No single metric tells the full story. See the WBO:ADV stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Adtran Networks SE Business Description

Other Exchanges 0NOL:UKADV:Germany
Address 901 Explorer Boulevard, Huntsville, AL, USA, 35806-2807
Adtran Networks SE develops, manufactures, and sells optical and Ethernet-based networking solutions to telecommunications carriers and enterprises to deliver data, storage, voice, and video services. Company segment includes: Network Solutions; and Services and Support,These systems are used by telecommunications service providers, private companies, universities, and government agencies. Some of its product categories are Open optical transport, Packet edge and aggregation, Disaggregated networking, Network virtualization, Network infrastructure assurance, and Automated network management. ADVA's geographical segments are United States, United Kingdom, Germany and Other international generating key revenue from United States.
51GF Score

Get the complete analysis for WBO:ADV

FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€22.80
Price
€19.99
GF Value