American Tower Corporatio... (AMT)
NYSE: AMT
· Real-Time Price · USD
190.21
-0.96 (-0.50%)
At close: Oct 03, 2025, 3:59 PM
190.50
0.15%
After-hours: Oct 03, 2025, 07:56 PM EDT
American Tower Market Cap
American Tower has a market cap or net worth of 89.07B as of Oct 5, 2025. Its market cap has decreased by -17.76% in one year.
Market Cap Chart
History
| Date | Market Cap | % Change |
|---|---|---|
| Oct 02, 2025 | 89.45B | 4.39% |
| Dec 31, 2024 | 85.69B | -14.87% |
| Dec 29, 2023 | 100.65B | 2.04% |
| Dec 30, 2022 | 98.64B | -26.03% |
| Dec 31, 2021 | 133.36B | 33.67% |
| Dec 31, 2020 | 99.77B | -2.02% |
| Dec 31, 2019 | 101.82B | 45.84% |
| Dec 31, 2018 | 69.82B | 14.11% |
| Dec 29, 2017 | 61.18B | 35.88% |
| Dec 30, 2016 | 45.03B | 9.52% |
| Dec 31, 2015 | 41.11B | 2.67% |
| Dec 31, 2014 | 40.05B | 26.96% |
| Dec 31, 2013 | 31.54B | 3.28% |
| Dec 31, 2012 | 30.54B | 29.2% |
| Dec 30, 2011 | 23.64B | 15.07% |
| Dec 31, 2010 | 20.54B | 18.15% |
| Dec 31, 2009 | 17.39B | 49.29% |
| Dec 31, 2008 | 11.65B | -31.16% |
| Dec 31, 2007 | 16.92B | 7.63% |
| Dec 29, 2006 | 15.72B | 40.16% |
| Dec 30, 2005 | 11.21B | n/a |