American Tower
$89.93 B
Share price
Change (1 day)
Change (1 year)

American Tower is an American operator of wireless communication equipment. The company has more than 170,000 transmission systems for data transmission and communication, mostly masts, in 17 countries worldwide.

Market capitalization of American Tower (AMT)

Market cap: $89.93 Billion

As of March 2023 American Tower has a market cap of $89.93 Billion. This makes American Tower the world's 148th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of American Tower from 2001 to 2023

End of year Market Cap

Year Market cap Change
2023$89.93 B-8.82%
2022$98.64 B-25.95%
2021$133.20 B33.6%
2020$99.70 B-2.04%
2019$101.78 B45.88%
2018$69.77 B14.03%
2017$61.18 B35.62%
2016$45.11 B9.78%
2015$41.09 B4.8%
2014$39.21 B24.42%
2013$31.51 B3.24%
2012$30.52 B29.44%
2011$23.58 B14.56%
2010$20.58 B18.64%
2009$17.35 B49.2%
2008$11.63 B-31.66%
2007$17.01 B9.26%
2006$15.57 B39.3%
2005$11.18 B164.71%
2004$4.22 B77.55%
2003$2.37 B244.45%
2002$0.69 B-62.77%
2001$1.85 B

End of Day market cap according to different sources

On Mar 27th, 2023 the market cap of American Tower was reported to be:

$89.93 Billion
by Yahoo Finance
$89.93 Billion
by CompaniesMarketCap
$89.97 Billion
by Nasdaq
$89.93 Billion
by Iex Cloud
$92.95 Billion
by Reuters

Market capitalization for similar companies or competitors

Name Market cap Market cap differencediff. Country
$55.25 B-38.57%๐Ÿ‡บ๐Ÿ‡ธ USA
$27.13 B-69.82%๐Ÿ‡บ๐Ÿ‡ธ USA
$23.29 B-74.09%๐Ÿ‡จ๐Ÿ‡ฆ Canada
$1.11 B-98.76%๐Ÿ‡บ๐Ÿ‡ธ USA