American Tower Corporation (AMT)
NYSE: AMT · Real-Time Price · USD
169.50
+0.91 (0.54%)
At close: Jul 13, 2026, 4:00 PM EDT
169.65
+0.15 (0.09%)
After-hours: Jul 13, 2026, 7:50 PM EDT
American Tower Market Cap
American Tower has a market cap or net worth of $78.97 billion as of July 13, 2026. Its market cap has decreased by -22.45% in one year.
Market Cap
78.97B
Enterprise Value
122.49B
1-Year Change
-22.45%
Ranking
Category
Stock Price
$169.50
Market Cap Chart
Since December 1, 1998, American Tower's market cap has increased from $2.58B to $78.97B, an increase of 2,962.83%. That is a compound annual growth rate of 13.18%.
| Date | Market Cap | % Change |
|---|---|---|
| Jul 13, 2026 | 78.97B | -3.92% |
| Dec 31, 2025 | 82.19B | -4.10% |
| Dec 31, 2024 | 85.71B | -14.84% |
| Dec 29, 2023 | 100.64B | 2.02% |
| Dec 30, 2022 | 98.64B | -25.95% |
| Dec 31, 2021 | 133.21B | 33.60% |
| Dec 31, 2020 | 99.71B | -2.05% |
| Dec 31, 2019 | 101.80B | 46.09% |
| Dec 31, 2018 | 69.68B | 13.89% |
| Dec 29, 2017 | 61.18B | 36.01% |
| Dec 30, 2016 | 44.99B | 9.55% |
| Dec 31, 2015 | 41.07B | 4.78% |
| Dec 31, 2014 | 39.19B | 24.41% |
| Dec 31, 2013 | 31.50B | 3.11% |
| Dec 31, 2012 | 30.55B | 29.52% |
| Dec 30, 2011 | 23.59B | 14.45% |
| Dec 31, 2010 | 20.61B | 18.80% |
| Dec 31, 2009 | 17.35B | 49.14% |
| Dec 31, 2008 | 11.63B | -32.54% |
| Dec 31, 2007 | 17.24B | 8.70% |
| Dec 29, 2006 | 15.86B | 42.13% |
| Dec 30, 2005 | 11.16B | 165.65% |
| Dec 31, 2004 | 4.20B | 76.85% |
| Dec 31, 2003 | 2.38B | 244.13% |
| Dec 31, 2002 | 690.30M | -62.64% |
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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
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