Athens International Airport (ATH:AIA) Shares Outstanding (Diluted Average): 311.9 Mil (As of Jun. 2026)

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ATH:AIA Athens International Airport SA ATH:AIA
56 GF Score
Price €10.77
GF Value €10.79
Valuation Fairly Valued
! 6 Warning Signs
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What is Athens International Airport Shares Outstanding (Diluted Average)?

Athens International Airport ATH:AIA -0.28% 56 Shares Outstanding (Diluted Average) is 311.9 Mil as of Jun. 2026. GuruFocus rates ATH:AIA with a GF Score™ of 56/100 and a GF Value™ of €10.79 (Fairly Valued). The stock has 6 warning signs investors should review.

Shares outstanding are shares that have been authorized, issued, and purchased by investors and are held by them. Athens International Airport's average diluted shares outstanding for the quarter that ended in Jun. 2026 was 311.9 Mil.


Athens International Airport  (ATH:AIA) Shares Outstanding (Diluted Average) Explanation

A company may buy back shares or issue shares in any fiscal period. If a company buys back shares, we should observe that the total number of shares decline. If the company issues new shares, the number of shares outstanding increases.


Be Aware

Usually the presence of treasury shares and a history of buyback are good indicators that company has competitive advantage. But studies have shown that companies usually buy back at wrong time. Buying back shares below its intrinsic value increases value for remaining shareholders. Buying back overvalued shares destroys value for existing shareholders.


Athens International Airport Shares Outstanding (Diluted Average) Related Terms


Athens International Airport Shares Outstanding (Diluted Average) Historical Data

* Premium members only.

The historical data trend for Athens International Airport's Shares Outstanding (Diluted Average) 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.

Athens International Airport Shares Outstanding (Diluted Average) Chart

Athens International Airport Annual Data
Trend Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Shares Outstanding (Diluted Average)
Get a 7-Day Free Trial 30.00 30.00 300.00 300.00 306.12

Athens International Airport Semi-Annual Data
Dec19 Dec20 Dec21 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25 Jun26
Shares Outstanding (Diluted Average) Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only 300.00 300.00 302.64 306.12 311.89
ATH:AIA
56GF Score
Athens International Airport SA ATH:AIA
Shares Outstanding (Diluted Average) is just one metric. See GF Score™, valuation, warning signs, and more.
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Athens International Airport Shares Outstanding (Diluted Average) Calculation

Shares outstanding are shares that have been authorized, issued, and purchased by investors and are held by them. They have voting rights and represent ownership in the corporation by the person that holds the shares. They should be distinguished from treasury shares, which are shares held by the corporation itself, having no exercisable rights.

Shares outstanding can be calculated as either basic or fully diluted. The fully diluted shares outstanding count includes diluting securities, such as options, warrants or convertibles.

Please note: GuruFocus named Shares Outstanding (EOP) is the shares for that exact time point. It is usually used to calculate balance sheet related items, such as Book Value per Share, etc. While Shares Outstanding (Diluted Average) and Shares Outstanding (Basic Average) are the weighted average shares over a period of time (a year, a quarter, or so). They are usually used to calculate income statement or cashflow statement related items, such as Earnings per Share (Diluted), etc.

What does a Shares Outstanding (Diluted Average) of 311.9 Mil mean?
Athens International Airport (ATH:AIA) has a Shares Outstanding (Diluted Average) of 311.9 Mil as of Jun. 2026. The average shares outstanding over two periods including dilutive securities like preferred shares and convertibles. View historical data on Athens International Airport and its competitors.
Is Athens International Airport's Shares Outstanding (Diluted Average) too high?
Athens International Airport's current Shares Outstanding (Diluted Average) is 311.9 Mil. Overall, Athens International Airport has a GF Score™ of 56/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Athens International Airport's Shares Outstanding (Diluted Average) compare to JOBY?
Athens International Airport's Shares Outstanding (Diluted Average) of 311.9 Mil can be compared against companies in the Transportation industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Shares Outstanding (Diluted Average) for a Transportation company?
A good Shares Outstanding (Diluted Average) depends on the Transportation industry context. However, Shares Outstanding (Diluted Average) 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 Shares Outstanding (Diluted Average) mean?
A high Shares Outstanding (Diluted Average) can signal that a stock is expensive relative to its fundamentals. The average shares outstanding over two periods including dilutive securities like preferred shares and convertibles. View historical data on Athens International Airport and its competitors. Athens International Airport's current Shares Outstanding (Diluted Average) is 311.9 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Athens International Airport stock overvalued right now?
Based on GuruFocus' analysis, Athens International Airport (ATH:AIA) is currently considered Fairly Valued. The stock's GF Value™ is €10.79, compared to a current price of €10.77 — trading 0.2% below its estimated fair value. The current Shares Outstanding (Diluted Average) is 311.9 Mil. Athens International Airport's overall GF Score™ is 56/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shares Outstanding (Diluted Average) calculated?
Shares Outstanding (Diluted Average) is calculated from a company's financial statements. For Athens International Airport (ATH:AIA), the current Shares Outstanding (Diluted Average) is 311.9 Mil as of Jun. 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 Athens International Airport (ATH:AIA) Overvalued in 2026?

Based on GuruFocus' analysis, Athens International Airport stock appears to be undervalued. The current stock price of €10.77 is trading 0.2% below its estimated GF Value™ of €10.79. GuruFocus considers Athens International Airport to be Fairly Valued.

Key valuation signals for ATH:AIA:

  • Shares Outstanding (Diluted Average): 311.9 Mil
  • GF Value™: €10.79 vs. price of €10.77 (0.2% below fair value)
  • GF Score™: 56/100 with 6 warning signs

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


Athens International Airport Business Description

Other Exchanges 9O1:Germany
Address Athens International Airport, El. Venizelos SA, SPATA, Attica, Athens, GRC, 19019
Athens International Airport SA is engaged in the design, financing, construction, completion, commissioning, maintenance, operation, management, and development of the Athens International Airport . The company's operating segments are: Air activities and Non-air activities. The maximum revenue is generated from its Air activities segment, which includes the provision at the Airport of any facilities like the landing, parking, or taking-off of aircraft; the servicing of aircraft; and the handling of passengers, among others. The Non-air activities segment represents revenues from non-air activities, mainly consisting of car parking, food and beverage, duty-free, retail shops, building/office rental, and other commercial services.
56GF Score

Get the complete analysis for ATH:AIA

Shares Outstanding (Diluted Average) is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€10.77
Price
€10.79
GF Value