American Tower Market Cap

American Tower has a market cap or net worth of 437.4 billion as of December 4, 2025. Its market cap has decreased by -17.80% in one year.

Market Cap

437.40B

Enterprise Value

701.89B

Revenue

55.72B

Ranking

n/a

PE Ratio

27.93

Stock Price

39.60

Market Cap Chart

Since June 5, 1998, American Tower's market cap has increased from 1.29B to 437.40B, an increase of 33,796.61%. That is a compound annual growth rate of 23.58%.

Market Cap History

Date	Market Cap	% Change
Dec 3, 2025	437.40B	-17.48%
Dec 31, 2024	530.08B	8.55%
Dec 29, 2023	488.31B	-6.36%
Dec 30, 2022	521.49B	-29.74%
Dec 31, 2021	742.20B	43.34%
Dec 31, 2020	517.80B	26.55%
Dec 31, 2019	Upgrade Pro	Upgrade Pro
Dec 31, 2018	Upgrade Pro	Upgrade Pro
Dec 29, 2017	Upgrade Pro	Upgrade Pro
Dec 30, 2016	Upgrade Pro	Upgrade Pro
Dec 31, 2015	Upgrade Pro	Upgrade Pro

Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

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Market Cap Rankings