Market cap:
$91.35B-$688.33M(-0.75%)Summary
- As of today (September 14, 2025), AMT market capitalization is $91.35 billion, with a fall of -$688.33 million (-0.75%) during the most recent trading session on September 12, 2025.
- Over the past year, AMT market cap has dropped by -$19.42 billion (-17.53%).
- AMT market cap is now -33.90% below its all-time high of $138.19 billion.
Performance
AMT Market cap Chart
Add series to chart(max: 6)
company, ETF, index, featured screener or watchlist
Highlights
Range
Related metrics
Market cap Formula
Market Cap = Price ✕ Shares Outstanding
AMT Market cap Trends
| PeriodPeriod | Market capMarket cap | PricePrice | Shares outstandingShares outstanding | Enterprise valueEnterprise value |
|---|---|---|---|---|
| todaytoday | -0.8% | -0.8% | +0.0% | -0.5% |
| 1 m1 month | -4.7% | -4.7% | - | -3.2% |
| 3 m3 months | -10.4% | -10.4% | - | -6.7% |
| 6 m6 months | -5.5% | -5.6% | - | -3.0% |
| ytdytd | +6.6% | +6.4% | - | +5.3% |
| 1 y1 year | -17.5% | -17.7% | +0.3% | -13.6% |
| 5 y5 years | -17.6% | -21.9% | +5.6% | -4.4% |
AMT Market cap Highs & Lows
| PeriodPeriod | HighHigh | Current vs highvs high | LowLow | Current vs lowvs low | |
|---|---|---|---|---|---|
| 1 m | 1-month | $99.21B | -7.9% | $90.67B | +0.7% |
| 3 m | 3-month | $109B | -16.0% | $90.67B | +0.7% |
| 6 m | 6-month | $109B | -16.0% | $90.67B | +0.7% |
| 1 y | 1-year | $112B | -18.6% | $81.07B | +12.7% |
| 3 y | 3-year | $123B | -26.0% | $73.50B | +24.3% |
| 5 y | 5-year | $138B | -33.9% | $73.50B | +24.3% |
| alltime | all time | $138B | -33.9% | $139M | >+9999.0% |
AMT Market cap History
| Date | Value |
|---|---|
| 2025 | $91.35B(+6.6%) |
| 2024 | $85.72B(-14.8%) |
| 2023 | $100.66B(+2.0%) |
| 2022 | $98.65B(-26.0%) |
| 2021 | $133.31B(+33.7%) |
| 2020 | $99.73B(-2.0%) |
| 2019 | $101.78B(+45.9%) |
| 2018 | $69.77B(+14.0%) |
| 2017 | $61.18B(+35.5%) |
| 2016 | $45.15B(+9.9%) |
| 2015 | $41.10B(+4.8%) |
| 2014 | $39.21B(+24.4%) |
| 2013 | $31.52B(+3.2%) |
| 2012 | $30.53B(+29.2%) |
| Date | Value |
|---|---|
| 2011 | $23.62B(+14.7%) |
| 2010 | $20.59B(+18.6%) |
| 2009 | $17.35B(+49.2%) |
| 2008 | $11.63B(-31.7%) |
| 2007 | $17.02B(+9.3%) |
| 2006 | $15.58B(+39.3%) |
| 2005 | $11.18B(+164.7%) |
| 2004 | $4.22B(+77.6%) |
| 2003 | $2.38B(+244.5%) |
| 2002 | $690.76M(-62.6%) |
| 2001 | $1.85B(-73.0%) |
| 2000 | $6.84B(+43.6%) |
| 1999 | $4.76B(+48.7%) |
| 1998 | $3.20B |
FAQ
- What is American Tower Corporation market capitalization?
- What is the all time high market cap for American Tower Corporation?
- What is AMT market capitalization year-to-date change?
- What is American Tower Corporation market cap year-on-year change?
What is American Tower Corporation market capitalization?
The current market cap of AMT is $91.35B
What is the all time high market cap for American Tower Corporation?
American Tower Corporation all-time high market capitalization is $138.19B
What is AMT market capitalization year-to-date change?
American Tower Corporation market capitalization has changed by +$5.62B (+6.56%) since the beginning of the year
What is American Tower Corporation market cap year-on-year change?
Over the past year, AMT market capitalization has changed by -$19.42B (-17.53%)