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Aetna Inc (NYSE:AET)
Market Cap
$39,861 Mil (As of Today)

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. Aetna Inc's share price for the quarter that ended in Mar. 2015 was $106.53. Aetna Inc's shares outstanding for the quarter that ended in Mar. 2015 was 349 Mil. Therefore, Aetna Inc's market cap for the quarter that ended in Mar. 2015 was $39,861 Mil.

Aetna Inc's quarterly market cap increased from Sep. 2014 ($28,488 Mil) to Dec. 2014 ($31,242 Mil) and increased from Dec. 2014 ($31,242 Mil) to Mar. 2015 ($37,200 Mil).

Aetna Inc's annual market cap increased from Dec. 2012 ($15,171 Mil) to Dec. 2013 ($24,843 Mil) and increased from Dec. 2013 ($24,843 Mil) to Dec. 2014 ($31,073 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. Aetna Inc's enterprise value for Today is $43,788 Mil.


Definition

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.

Aetna Inc's Market Cap for the fiscal year that ended in Dec. 2014 is calculated as

Market Cap (A: Dec. 2014 )=Share Price (A: Dec. 2014 )*Shares Outstanding (A: Dec. 2014 )
=88.83*349.80
=31,073

Aetna Inc's Market Cap for the quarter that ended in Mar. 2015 is calculated as

Market Cap (Q: Mar. 2015 )=Share Price (Q: Mar. 2015 )*Shares Outstanding (Q: Mar. 2015 )
=106.53*349.20
=37,200

* All numbers are in millions except for per share data and ratio. All numbers are in their own currency.


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 company’s 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.


Related Terms

Shares Outstanding


Historical Data

* All numbers are in millions except for per share data and ratio. All numbers are in their own currency.

Aetna Inc Annual Data

Dec05Dec06Dec07Dec08Dec09Dec10Dec11Dec12Dec13Dec14
mktcap 26,97422,54028,88813,14113,65611,72814,75415,17124,84331,073

Aetna Inc Quarterly Data

Dec12Mar13Jun13Sep13Dec13Mar14Jun14Sep14Dec14Mar15
mktcap 15,17116,66323,64323,52724,84326,79428,75128,48831,24237,200
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