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Latest period

466.83M

YoY change

+0.2%

5Y CAGR

+1.0%

Peak year (2025)

469.14M

Shares Outstanding history chart for American Tower (AMT) from 1997 to 2025

Latest: 469.14M

Shares Outstanding growth chart for American Tower (AMT) from 1997 to 2025

Latest: +0.2%

Shares Outstanding history table for American Tower (AMT) from 1997 to 2025

  • 2025469.14M+0.2%
  • 2024468.12M+0.2%
  • 2023467.16M+1.0%
  • 2022462.75M+2.1%
  • 2021453.29M+1.6%
  • 2020446.10M+0.1%
  • 2019445.52M+0.6%
  • 2018442.96M+2.6%
  • 2017431.69M+0.6%
  • 2016429.28M+1.5%
  • 2015423.02M+5.7%
  • 2014400.09M+0.2%
  • 2013399.15M-0.0%
  • 2012399.29M-0.2%
  • 2011400.20M-1.0%
  • 2010404.07M-0.7%
  • 2009406.95M-2.7%
  • 2008418.36M-1.8%
  • 2007426.08M-2.3%
  • 2006436.22M+44.2%
  • 2005302.51M+34.8%
  • 2004224.34M+7.8%
  • 2003208.10M+6.5%
  • 2002195.45M+2.0%
  • 2001191.59M+13.6%
  • 2000168.72M+12.7%
  • 1999149.75M+87.7%
  • 199879.79M-71.0%
  • 1997275.32M

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 466.83M. 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 469.14M – 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.

469.14M stands as the all-time-high annual diluted shares outstanding, posted in 2025, against a low of 79.79M during 1998.

American Tower Shares Outstanding by Year

American Tower Shares Outstanding 2025: 469.14M

2025's diluted shares outstanding for American Tower came in at 469.14M, edged up 0.2% from 2024. This figure represents the highest annual value in the available history.

American Tower Shares Outstanding 2024: 468.12M

American Tower posted diluted shares outstanding of 468.12M in 2024, edged up 0.2% from 2023.

American Tower Shares Outstanding 2023: 467.16M

In 2023, American Tower reported diluted shares outstanding of 467.16M, edged up 1.0% from 2022.

American Tower Shares Outstanding 2022: 462.75M

American Tower diluted shares outstanding in 2022 was 462.75M, edged up 2.1% from 2021.

American Tower Shares Outstanding 2021: 453.29M

American Tower diluted shares outstanding in 2021 was 453.29M.

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