Siltronic AG (WBO:WAF) Gross Margin %: -8.55% (As of Mar. 2026)


WBO:WAF Siltronic AG WBO:WAF
64 GF Score
Price €82.65
GF Value €53.81
Valuation Significantly Overvalued
! 7 Warning Signs
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What is Siltronic AG Gross Margin %?

Siltronic AG WBO:WAF -5.54% 64 Gross Margin % is -8.55% as of Mar. 2026. GuruFocus rates WBO:WAF with a GF Score™ of 64/100 and a GF Value™ of €53.81 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 1,011 Semiconductors companies, Siltronic AG ranks worse than 92.78% on this metric.

Gross Margin % is calculated as gross profit divided by its revenue. Siltronic AG's Gross Profit for the three months ended in Mar. 2026 was €-26 Mil. Siltronic AG's Revenue for the three months ended in Mar. 2026 was €307 Mil. Therefore, Siltronic AG's Gross Margin % for the quarter that ended in Mar. 2026 was -8.55%.

Warning Sign:

Siltronic AG gross margin has been in long-term decline. The average rate of decline per year is -20.2%.


The historical rank and industry rank for Siltronic AG's Gross Margin % or its related term are showing as below:

WBO:WAF' s Gross Margin % Range Over the Past 10 Years
Min: 2.31   Med: 29.76   Max: 43.38
Current: 2.31


During the past 12 years, the highest Gross Margin % of Siltronic AG was 43.38%. The lowest was 2.31%. And the median was 29.76%.

WBO:WAF's Gross Margin % is ranked worse than
92.78% of 1011 companies
in the Semiconductors industry
Industry Median: 29.61 vs WBO:WAF: 2.31

Siltronic AG had a gross margin of -8.55% for the quarter that ended in Mar. 2026 => No sustainable competitive advantage

The 5-Year average Growth Rate of Gross Margin for Siltronic AG was -20.20% per year.


Siltronic AG  (WBO:WAF) Gross Margin % Explanation

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

Siltronic AG had a gross margin of -8.55% for the quarter that ended in Mar. 2026 => No sustainable 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.


Siltronic AG Gross Margin % Related Terms


Siltronic AG Gross Margin % Historical Data

* Premium members only.

The historical data trend for Siltronic AG'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.

Siltronic AG Gross Margin % Chart

Siltronic AG Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Gross Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 31.39 34.09 24.59 19.49 8.26

Siltronic AG Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Gross 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 15.88 18.29 -1.20 -0.05 -8.55

WBO:WAF vs NVDA, AVGO, MU: Gross Margin % Comparison

For the Semiconductors subindustry, Siltronic AG'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.


Siltronic AG Gross Margin % vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Siltronic AG's Gross Margin % distribution charts can be found below:

* The bar in red indicates where Siltronic AG's Gross Margin % falls into.


WBO:WAF
64GF Score
Siltronic AG WBO:WAF
Gross Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Siltronic AG Gross Margin % Calculation

Gross Margin is the percentage of Gross Profit out of sales or Revenue.

Siltronic AG's Gross Margin for the fiscal year that ended in Dec. 2025 is calculated as

Gross Margin % (A: Dec. 2025 )=Gross Profit (A: Dec. 2025 ) / Revenue (A: Dec. 2025 )
=111.2 / 1346.7
=(Revenue - Cost of Goods Sold) / Revenue
=(1346.7 - 1235.5) / 1346.7
=8.26 %

Siltronic AG's Gross Margin for the quarter that ended in Mar. 2026 is calculated as


Gross Margin % (Q: Mar. 2026 )=Gross Profit (Q: Mar. 2026 ) / Revenue (Q: Mar. 2026 )
=-26.2 / 306.5
=(Revenue - Cost of Goods Sold) / Revenue
=(306.5 - 332.7) / 306.5
=-8.55 %

* 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.

Frequently Asked Questions Learn more about Gross Margin % →
What does a Gross Margin % of -8.55% mean?
Siltronic AG (WBO:WAF) has a Gross Margin % of -8.55% as of Mar. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on Siltronic AG and its competitors. Over the past decade, Siltronic AG's Gross Margin % has ranged from 2.31 to 43.38. According to the industry distribution chart, Siltronic AG ranks #938 out of 1011 companies in the Semiconductors industry, placing it in the top 92.8%.
Is Siltronic AG's Gross Margin % too high?
Siltronic AG's current Gross Margin % is -8.55%. Over the past 10 years, this metric has ranged from a low of 2.31 to a high of 43.38. Based on the distribution chart, Siltronic AG ranks #938 out of 1011 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Siltronic AG has a GF Score™ of 64/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Siltronic AG's Gross Margin % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Siltronic AG ranks #938 out of 1011 companies for Gross Margin %. This places Siltronic AG in the lower half of its industry. The industry median Gross Margin % is 29.61. Historically, Siltronic AG's own Gross Margin % has ranged from 2.31 to 43.38 over the past decade. 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 Semiconductors company?
The median Gross Margin % among Semiconductors companies is 29.61, based on 1,011 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. 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 Siltronic AG and its competitors. For the Semiconductors industry, the median Gross Margin % is 29.61 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Siltronic AG's current Gross Margin % is -8.55%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Siltronic AG stock overvalued right now?
Based on GuruFocus' analysis, Siltronic AG (WBO:WAF) is currently considered Significantly Overvalued. The stock's GF Value™ is €53.81, compared to a current price of €82.65 — trading 53.6% above its estimated fair value. The current Gross Margin % is -8.55%. Siltronic AG's overall GF Score™ is 64/100 with 7 warning signs to review. 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 Siltronic AG (WBO:WAF), the current Gross Margin % is -8.55% as of Mar. 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.

Is Siltronic AG (WBO:WAF) Overvalued in 2026?

Based on GuruFocus' analysis, Siltronic AG stock appears to be overvalued. The current stock price of €82.65 is trading 53.6% above its estimated GF Value™ of €53.81. GuruFocus considers Siltronic AG to be Significantly Overvalued.

Key valuation signals for WBO:WAF:

  • Gross Margin %: -8.55%
  • GF Value™: €53.81 vs. price of €82.65 (53.6% above fair value)
  • GF Score™: 64/100 with 7 warning signs

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


Siltronic AG Business Description

Address Einsteinstrassee 172, Munich, BY, DEU, 81677
Siltronic AG is engaged in the development, production, and marketing of semiconductor wafers. The company has production facilities in Asia, Europe, and the USA. The company offers Annealed Wafers, Floatzone, Power products, and Ultimate Silicon. Its geographic segments consist of Germany; Europe excluding Germany; the United States; Taiwan & (mainland) China; South Korea, and Asia excluding Taiwan, and (mainland) China.
64GF Score

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

€82.65
Price
€53.81
GF Value