AmerenFRA:AE4 +0.77%78 Market Cap is €28,822 Mil as of Jun. 28, 2026. GuruFocus rates FRA:AE4 with a GF Score™ of 78/100 and a GF Value™ of €86.21 (Modestly Overvalued). The stock has 10 warning signs investors should review. Among 515 Utilities - Regulated companies, Ameren ranks better than 94.95% on this metric.
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). Ameren's share price for the quarter that ended in Mar. 2026 was €96. Ameren's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 277 Mil. Therefore, Ameren's market cap for the quarter that ended in Mar. 2026 was €26,559 Mil.
Ameren's quarterly market cap
declined
from Sep. 2025 (€23,804 Mil) to Dec. 2025 (€23,356 Mil) but then
increased
from Dec. 2025 (€23,356 Mil) to Mar. 2026 (€26,559 Mil).
Ameren's annual market cap
increased
from Dec. 2023 (€17,310 Mil) to Dec. 2024 (€23,211 Mil) and
increased
from Dec. 2024 (€23,211 Mil) to Dec. 2025 (€23,356 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. Ameren's Enterprise Value for Today is €47,674 Mil.
Ameren (FRA:AE4) 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.
Ameren Market Cap Related Terms
Ameren Market Cap Historical Data
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The historical data trend for Ameren'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 Utilities - Regulated Electric subindustry, Ameren'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.
Ameren Market Cap vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Ameren's Market Cap distribution charts can be found below:
* The bar in red indicates where Ameren'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.
Ameren'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.
Ameren (FRA:AE4) has a Market Cap of €28,822 Mil as of Jun. 28, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Ameren and its competitors. According to the industry distribution chart, Ameren ranks #26 out of 515 companies in the Utilities - Regulated industry, placing it in the top 5%.
Is Ameren's Market Cap too high?
Ameren's current Market Cap is €28,822 Mil. Based on the distribution chart, Ameren ranks #26 out of 515 companies in the Utilities - Regulated industry, which is in the top quartile — a strong position relative to peers. Overall, Ameren has a GF Score™ of 78/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Ameren's Market Cap compare to DTE and CNP?
According to the Utilities - Regulated industry distribution chart, Ameren ranks #26 out of 515 companies for Market Cap. This places Ameren in the top 5% of its industry — outperforming the majority of peers. The industry median Market Cap is 897.97. 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 an Utilities - Regulated company?
The median Market Cap among Utilities - Regulated companies is 897.97, based on 515 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 Ameren and its competitors. For the Utilities - Regulated industry, the median Market Cap is 897.97 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ameren's current Market Cap is €28,822 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ameren stock overvalued right now?
Based on GuruFocus' analysis, Ameren (FRA:AE4) is currently considered Modestly Overvalued. The stock's GF Value™ is €86.21, compared to a current price of €99.80 — trading 15.8% above its estimated fair value. The current Market Cap is €28,822 Mil. Ameren's overall GF Score™ is 78/100 with 10 warning signs 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 Ameren (FRA:AE4), the current Market Cap is €28,822 Mil as of Jun. 28, 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 Ameren (FRA:AE4) Overvalued in 2026?
Based on GuruFocus' analysis, Ameren stock appears to be overvalued.
The current stock price of €99.80 is trading 15.8% above its estimated GF Value™ of €86.21.
GuruFocus considers Ameren to be Modestly Overvalued.
Key valuation signals for FRA:AE4:
Market Cap: €28,822 Mil
GF Value™: €86.21 vs. price of €99.80 (15.8% above fair value)
No single metric tells the full story. See the FRA:AE4 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Ameren owns rate-regulated generation, transmission, and distribution networks that deliver electricity and natural gas through the company's two main subsidiaries, Ameren Missouri and Ameren Illinois. It serves 2.5 million electricity customers and 900,000 natural gas customers across its two service territories.
78GF Score
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