American Tower Market Cap

American Tower has a market cap or net worth of 1.62 trillion as of October 10, 2025. Its market cap has decreased by -24.88% in one year.

Market Cap

1.62T

Enterprise Value

2.55T

Revenue

193.48B

Ranking

n/a

PE Ratio

66.49

Stock Price

3,437.00

Market Cap Chart

Since June 5, 1998, American Tower's market cap has increased from 9.82B to 1.62T, an increase of 16,404.40%. That is a compound annual growth rate of 20.51%.

Market Cap History

Date	Market Cap	% Change
Oct 10, 2025	1,621.13B	-9.23%
Dec 31, 2024	1,785.88B	4.97%
Dec 29, 2023	1,701.34B	-11.58%
Dec 30, 2022	1,924.14B	-29.54%
Dec 31, 2021	2,730.84B	37.64%
Dec 31, 2020	1,984.03B	3.33%
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