Latest period
467M
YoY change
+0.2%
5Y CAGR
+1.0%
Peak year (FY2025)
469M
Latest annual
469M
Shares Outstanding history chart for American Tower (AMT) from 2016 to 2025
Latest: 469M
Shares Outstanding growth chart for American Tower (AMT) from 2016 to 2025
Latest: +0.2%
Shares Outstanding history table for American Tower (AMT) from 1997 to 2025
| FY2025 | 469M | +0.2% | +1.02M | ||
| FY2024 | 468M | +0.2% | +958K | ||
| FY2023 | 467M | +1.0% | +4.41M | ||
| FY2022 | 463M | +2.1% | +9.46M | ||
| FY2021 | 453M | +1.6% | +7.19M | ||
| FY2020 | 446M | +0.1% | +584K | ||
| FY2019 | 446M | +0.6% | +2.56M | ||
| FY2018 | 443M | +2.6% | +11.3M | ||
| FY2017 | 432M | +0.6% | +2.41M | ||
| FY2016 | 429M | +1.5% | +6.27M | ||
| FY2015 | 423M | +5.7% | +22.9M | ||
| FY2014 | 400M | +0.2% | +940K | ||
| FY2013 | 399M | -0.0% | -141K | ||
| FY2012 | 399M | -0.2% | -908K | ||
| FY2011 | 400M | -1.0% | -3.88M | ||
| FY2010 | 404M | -0.7% | -2.88M | ||
| FY2009 | 407M | -2.7% | -11.4M | ||
| FY2008 | 418M | -1.8% | -7.72M | ||
| FY2007 | 426M | -2.3% | -10.1M | ||
| FY2006 | 436M | +44.2% | +134M | ||
| FY2005 | 303M | +34.8% | +78.2M | ||
| FY2004 | 224M | +7.8% | +16.2M | ||
| FY2003 | 208M | +6.5% | +12.6M | ||
| FY2002 | 195M | +2.0% | +3.87M | ||
| FY2001 | 192M | +13.6% | +22.9M | ||
| FY2000 | 169M | +12.7% | +19M | ||
| FY1999 | 150M | +87.7% | +70M | ||
| FY1998 | 79.8M | -71.0% | -196M | ||
| FY1997 | 275M | — | — |
- FY2025469M+0.2%
- FY2024468M+0.2%
- FY2023467M+1.0%
- FY2022463M+2.1%
- FY2021453M+1.6%
- FY2020446M+0.1%
- FY2019446M+0.6%
- FY2018443M+2.6%
- FY2017432M+0.6%
- FY2016429M+1.5%
- FY2015423M+5.7%
- FY2014400M+0.2%
- FY2013399M-0.0%
- FY2012399M-0.2%
- FY2011400M-1.0%
- FY2010404M-0.7%
- FY2009407M-2.7%
- FY2008418M-1.8%
- FY2007426M-2.3%
- FY2006436M+44.2%
- FY2005303M+34.8%
- FY2004224M+7.8%
- FY2003208M+6.5%
- FY2002195M+2.0%
- FY2001192M+13.6%
- FY2000169M+12.7%
- FY1999150M+87.7%
- FY199879.8M-71.0%
- FY1997275M—
Shares Outstanding values are taken from American Tower's reported income statements (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
About Shares Outstanding at American Tower (AMT)
According to American Tower's latest reported financial statements, the company's latest reported diluted shares outstanding is 467M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
The 2025 reading of American Tower (AMT) diluted shares outstanding is 469M – edged up 0.2% year-over-year.
American Tower diluted shares outstanding compound annual growth for the 2020–2025 (5 years) window is +1.0%, sustaining 12 straight years of year-over-year growth.
469M stands as the all-time-high annual diluted shares outstanding, posted in 2025, against a low of 79.8M during 1998.
American Tower Shares Outstanding by Year
American Tower Shares Outstanding 2025: 469M
2025's diluted shares outstanding for American Tower came in at 469M, edged up 0.2% from 2024. This figure represents the highest annual value in the available history.
American Tower Shares Outstanding 2024: 468M
American Tower posted diluted shares outstanding of 468M in 2024, edged up 0.2% from 2023.
American Tower Shares Outstanding 2023: 467M
In 2023, American Tower reported diluted shares outstanding of 467M, edged up 1.0% from 2022.
American Tower Shares Outstanding 2022: 463M
American Tower diluted shares outstanding in 2022 was 463M, edged up 2.1% from 2021.
American Tower Shares Outstanding 2021: 453M
American Tower diluted shares outstanding in 2021 was 453M.
See more financial history for American Tower (AMT).
Sector peers by Shares Outstanding
Real Estate peers of American Tower (AMT), ranked by their latest diluted shares outstanding
Frequently asked questions
American Tower (AMT) Key Financials
Charts, filings, and peer comparison for every metric
Explore more
Deep-dives across the income statement, cash flow, capital return, and valuation
How this company returns cash to shareholders — buybacks, dividends, and stock splits.