Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). IONOS Group SE's share price for the quarter that ended in Mar. 2026 was €24.9. IONOS Group SE's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 137 Mil. Therefore, IONOS Group SE's market cap for the quarter that ended in Mar. 2026 was €3,407 Mil.
IONOS Group SE's quarterly market cap
declined
from Sep. 2025 (€5,533 Mil) to Dec. 2025 (€3,728 Mil) and
declined
from Dec. 2025 (€3,728 Mil) to Mar. 2026 (€3,407 Mil).
IONOS Group SE's annual market cap
increased
from Dec. 2023 (€2,400 Mil) to Dec. 2024 (€3,091 Mil) and
increased
from Dec. 2024 (€3,091 Mil) to Dec. 2025 (€3,728 Mil).
Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. IONOS Group SE's Enterprise Value for Today is €4,375 Mil.
IONOS Group SE (FRA:IOS) Market Cap Explanation
Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the companys debt. The real price you pay is the Enterprise Value.
Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.
IONOS Group SE Market Cap Related Terms
IONOS Group SE Market Cap Historical Data
* Premium members only.
The historical data trend for IONOS Group SE's Market Cap 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 Information Technology Services subindustry, IONOS Group SE's Market Cap, along with its competitors' market caps and Market Cap 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.
IONOS Group SE Market Cap vs Software Industry
For the Software industry and Technology sector, IONOS Group SE's Market Cap distribution charts can be found below:
* The bar in red indicates where IONOS Group SE's Market Cap falls into.
Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.
IONOS Group SE's Market Cap for the fiscal year that ended in Dec. 2025 is calculated as
* 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.
IONOS Group SE (FRA:IOS) has a Market Cap of €3,626 Mil as of Jun. 26, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on IONOS Group SE and its competitors. According to the industry distribution chart, IONOS Group SE ranks #184 out of 2928 companies in the Software industry, placing it in the top 6.3%.
Is IONOS Group SE's Market Cap too high?
IONOS Group SE's current Market Cap is €3,626 Mil. Based on the distribution chart, IONOS Group SE ranks #184 out of 2928 companies in the Software industry, which is in the top quartile — a strong position relative to peers. Overall, IONOS Group SE has a GF Score™ of 54/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does IONOS Group SE's Market Cap compare to IBM and ACN?
According to the Software industry distribution chart, IONOS Group SE ranks #184 out of 2928 companies for Market Cap. This places IONOS Group SE in the top 6% of its industry — outperforming the majority of peers. The industry median Market Cap is 65.79. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for a Software company?
The median Market Cap among Software companies is 65.79, based on 2,928 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap 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 Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on IONOS Group SE and its competitors. For the Software industry, the median Market Cap is 65.79 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. IONOS Group SE's current Market Cap is €3,626 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is IONOS Group SE stock overvalued right now?
Based on GuruFocus' analysis, IONOS Group SE (FRA:IOS) is currently considered Fairly Valued. The stock's GF Value™ is €24.89, compared to a current price of €27.10 — trading 8.9% above its estimated fair value. The current Market Cap is €3,626 Mil. IONOS Group SE's overall GF Score™ is 54/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For IONOS Group SE (FRA:IOS), the current Market Cap is €3,626 Mil as of Jun. 26, 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 IONOS Group SE (FRA:IOS) Overvalued in 2026?
Based on GuruFocus' analysis, IONOS Group SE stock appears to be overvalued.
The current stock price of €27.10 is trading 8.9% above its estimated GF Value™ of €24.89.
GuruFocus considers IONOS Group SE to be Fairly Valued.
Key valuation signals for FRA:IOS:
Market Cap: €3,626 Mil
GF Value™: €24.89 vs. price of €27.10 (8.9% above fair value)
No single metric tells the full story. See the FRA:IOS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
IONOS Group SE is an international digitalization partner and cloud enabler for small and medium-sized enterprises (SMEs), as well as for individual users and larger corporate customers. It offers a comprehensive product portfolio in the areas of web presence and productivity, as well as cloud solutions, which is further supported by customer care and infrastructure. In addition, IONOS offers an online marketplace for buying, selling, and parking domains. The company's operating segments include Digital Solutions & Cloud segment which offers its customers customized server products and other solutions to set up an online presence and maintain their IT infrastructure. Geographically, it derives key revenue from Germany.
54GF Score
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