American Tower (AMT) Shares Outstanding (2009 - 2026)
American Tower (AMT) reported Shares Outstanding of 465.94 million for Q2 2026, down 0.5% from 468.18 million a year earlier and down 0.1% from the prior quarter.
American Tower (AMT) Shares Outstanding (2009 - 2026) Analysis & Trends
For FY2025, American Tower posted Shares Outstanding of 467.92 million, up 0.2% from FY2024.
- Shares Outstanding has increased for 13 consecutive years, with a five-year compound annual growth rate of 1.1% (FY2020 to FY2025).
- By year, Shares Outstanding came in at 467.01 million in FY2024 (+0.2%), 466.06 million in FY2023 (+1.0%), 461.52 million in FY2022 (+2.2%) and 451.5 million in FY2021 (+1.8%).
- The Q2 2026 figure ranks as the lowest quarterly Shares Outstanding since Q1 2023.
- Year over year, Shares Outstanding gained in six of the last eight quarters, with growth averaging 0.1%.
- The high point for year-over-year Shares Outstanding in five years was Q3 2021 (growth of 2.6%); the low point was Q2 2026 (a decline of 0.5%).
- Per Business Quant data, the three quarters before Q2 2026 came in at 466.2 million (Q1 2026), 467.92 million (Q4 2025) and 468.29 million (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Qtr) |
|---|---|---|---|---|---|
| 1 | American Tower | 76.26 Bn | 75.99 Bn | 2.72 Bn | 465.94 Mn |
| 2 | Digital Realty Trust | 64.98 Bn | 55.50 Bn | - | 354.12 Mn |
| 3 | Crown Castle | 28.39 Bn | 27.14 Bn | 989.00 Mn | 433.00 Mn |
| 4 | Sba Communications | 16.99 Bn | 17.07 Bn | 539.27 Mn | 106.07 Mn |
| 5 | Lamar Advertising | 12.56 Bn | 12.38 Bn | 422.53 Mn | 101.49 Mn |
| 6 | OUTFRONT Media | 4.89 Bn | 4.65 Bn | 276.40 Mn | 176.10 Mn |
| 7 | Array Digital Infrastructure | 2.92 Bn | 1.81 Bn | 30.57 Mn | 86.48 Mn |
| 8 | IHS Holding | 2.80 Bn | -57.74 Mn | 207.10 Mn | 335.05 Mn |
| 9 | Fermi | 2.69 Bn | 1.82 Bn | - | 637.33 Mn |
| 10 | Clear Channel Outdoor Holdings | 1.20 Bn | 488.27 Mn | 241.86 Mn | 508.99 Mn |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 465.94 Mn |
| Mar 31, 2026 | 466.20 Mn |
| Dec 31, 2025 | 467.92 Mn |
| Sep 30, 2025 | 468.29 Mn |
| Jun 30, 2025 | 468.18 Mn |
| Mar 31, 2025 | 467.64 Mn |
| Dec 31, 2024 | 467.01 Mn |
| Sep 30, 2024 | 467.20 Mn |
| Jun 30, 2024 | 467.04 Mn |
| Mar 31, 2024 | 466.52 Mn |
| Dec 31, 2023 | 466.06 Mn |
| Sep 30, 2023 | 466.17 Mn |
| Jun 30, 2023 | 466.09 Mn |
| Mar 31, 2023 | 465.74 Mn |
| Dec 31, 2022 | 461.52 Mn |
| Sep 30, 2022 | 465.59 Mn |
| Jun 30, 2022 | 458.78 Mn |
| Mar 31, 2022 | 455.95 Mn |
| Dec 31, 2021 | 451.50 Mn |
| Sep 30, 2021 | 455.22 Mn |
American Tower Shares Outstanding 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=shares-outstanding&ticker=AMT&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding", "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=shares-outstanding&ticker=AMT&period=max&api_key=YOUR_API_KEY");
const data = await res.json();