Market Cap:
$81.83B+$135.76M(+0.17%)Summary
- As of today, AMT market cap is $81.83 billion, with a rise of +$135.76 million (+0.17%) during the most recent trading session on December 24, 2025.
- Over the past year, AMT market cap has dropped by -$4.48 billion (-5.19%).
- AMT market cap is now -40.78% 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 |
|---|---|---|---|---|
| 1D1 Day | +0.2% | +0.2% | -0.0% | +0.1% |
| 1M1 Month | -2.7% | -2.7% | - | -1.8% |
| 3M3 Months | -9.4% | -9.4% | - | -6.5% |
| 6M6 Months | -21.9% | -21.9% | - | -15.1% |
| YTDYTD | -4.5% | -4.7% | - | -2.2% |
| 1Y1 Year | -5.2% | -5.4% | +0.2% | -3.2% |
| 5Y5 Years | -15.8% | -20.1% | +5.4% | -1.9% |
AMT Market Cap Highs & Lows
| PeriodPeriod | HighHigh | Current vs Highvs High | LowLow | Current vs Lowvs Low | |
|---|---|---|---|---|---|
| 1M | 1-Month | $86B | -4.6% | $81B | +1.4% |
| 3M | 3-Month | $91B | -10.2% | $81B | +1.4% |
| 6M | 6-Month | $109B | -24.8% | $81B | +1.4% |
| 1Y | 1-Year | $109B | -24.8% | $81B | +1.4% |
| 3Y | 3-Year | $113B | -27.9% | $74B | +11.3% |
| 5Y | 5-Year | $138B | -40.8% | $74B | +11.3% |
| All-Time | All-Time | $138B | -40.8% | $139M | >+9999.0% |
AMT Market Cap History
| Date | Value |
|---|---|
| 2025 | $82B(-4.5%) |
| 2024 | $86B(-14.8%) |
| 2023 | $101B(+2.0%) |
| 2022 | $99B(-26.0%) |
| 2021 | $133B(+33.7%) |
| 2020 | $100B(-2.0%) |
| 2019 | $102B(+45.9%) |
| 2018 | $70B(+14.0%) |
| 2017 | $61B(+35.5%) |
| 2016 | $45B(+9.9%) |
| 2015 | $41B(+4.8%) |
| 2014 | $39B(+24.4%) |
| 2013 | $32B(+3.2%) |
| 2012 | $31B(+29.2%) |
| Date | Value |
|---|---|
| 2011 | $24B(+14.7%) |
| 2010 | $21B(+18.6%) |
| 2009 | $17B(+49.2%) |
| 2008 | $12B(-31.7%) |
| 2007 | $17B(+9.3%) |
| 2006 | $16B(+39.3%) |
| 2005 | $11B(+164.7%) |
| 2004 | $4B(+77.6%) |
| 2003 | $2B(+244.5%) |
| 2002 | $691M(-62.6%) |
| 2001 | $2B(-73.0%) |
| 2000 | $7B(+43.6%) |
| 1999 | $5B(+48.7%) |
| 1998 | $3B |
FAQ
- What is American Tower Corporation market cap?
- What is the all-time high market cap for American Tower Corporation?
- What is AMT market cap year-to-date change?
- What is American Tower Corporation market cap year-on-year change?
What is American Tower Corporation market cap?
The current market cap of AMT is $81.83B
What is the all-time high market cap for American Tower Corporation?
American Tower Corporation all-time high market cap is $138.19B
What is AMT market cap year-to-date change?
American Tower Corporation market cap has changed by -$3.89B (-4.54%) since the beginning of the year
What is American Tower Corporation market cap year-on-year change?
Over the past year, AMT market cap has changed by -$4.48B (-5.19%)