American Tower (AMT) Market Capitalization (2009 - 2026)
American Tower's Market Capitalization was $76.22 billion in Q2 2026, down 26.4% from $103.49 billion a year earlier and down 5.2% from the prior quarter.
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Analysis
American Tower (AMT) Market Capitalization (2009 - 2026) Analysis & Trends
For FY2025, Market Capitalization at American Tower came in at $81.87 billion, down 4.5% from FY2024.
- Market Capitalization shows a five-year compound annual growth rate of -3.9% (FY2020 to FY2025).
- In earlier years, Market Capitalization was $85.72 billion in FY2024 (-14.8%), $100.66 billion in FY2023 (+2.0%), $98.65 billion in FY2022 (-26.0%) and $133.31 billion in FY2021 (+33.7%).
- The Q2 2026 figure marks the lowest quarterly Market Capitalization since Q4 2018.
- Compared with a year earlier, Market Capitalization has declined for four straight quarters, with an average decline of 2.2% over the last eight quarters.
- The best year-over-year quarter for Market Capitalization over five years was Q3 2024 (growth of 41.8%); the worst was Q2 2026 (a decline of 26.4%).
- Per Business Quant data, AMT's Market Capitalization in the three quarters before Q2 2026 was $80.42 billion (Q1 2026), $81.87 billion (Q4 2025) and $90.06 billion (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | American Tower | 76.26 Bn | 75.99 Bn | 2.72 Bn |
| 2 | Digital Realty Trust | 64.98 Bn | 55.50 Bn | - |
| 3 | Crown Castle | 28.39 Bn | 27.14 Bn | 989.00 Mn |
| 4 | Sba Communications | 16.99 Bn | 17.07 Bn | 539.27 Mn |
| 5 | Lamar Advertising | 12.56 Bn | 12.38 Bn | 422.53 Mn |
| 6 | OUTFRONT Media | 4.89 Bn | 4.65 Bn | 276.40 Mn |
| 7 | Array Digital Infrastructure | 2.92 Bn | 1.81 Bn | 30.57 Mn |
| 8 | IHS Holding | 2.80 Bn | -57.74 Mn | 207.10 Mn |
| 9 | Fermi | 2.69 Bn | 1.82 Bn | - |
| 10 | Clear Channel Outdoor Holdings | 1.20 Bn | 488.27 Mn | 241.86 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 76.22 Bn |
| Mar 31, 2026 | 80.42 Bn |
| Dec 31, 2025 | 81.87 Bn |
| Sep 30, 2025 | 90.06 Bn |
| Jun 30, 2025 | 103.49 Bn |
| Mar 31, 2025 | 101.86 Bn |
| Dec 31, 2024 | 85.72 Bn |
| Sep 30, 2024 | 108.67 Bn |
| Jun 30, 2024 | 90.79 Bn |
| Mar 31, 2024 | 92.27 Bn |
| Dec 31, 2023 | 100.66 Bn |
| Sep 30, 2023 | 76.66 Bn |
| Jun 30, 2023 | 90.40 Bn |
| Mar 31, 2023 | 95.23 Bn |
| Dec 31, 2022 | 98.65 Bn |
| Sep 30, 2022 | 99.96 Bn |
| Jun 30, 2022 | 119.00 Bn |
| Mar 31, 2022 | 114.63 Bn |
| Dec 31, 2021 | 133.31 Bn |
| Sep 30, 2021 | 120.87 Bn |
API Access
American Tower Market Capitalization API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=market-capitalization&ticker=AMT&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "market-capitalization", "ticker": "AMT", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=market-capitalization&ticker=AMT&period=max&api_key=YOUR_API_KEY");
const data = await res.json();