American Tower AMT
NYSE AMT
$161.03 -2.66 (-1.63%)
As of: Oct 1, 2026 · 3:59 PM EDT

American Tower (AMT) Shares Outstanding (2009 - 2026)

Updated

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.

Analysis

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 Set

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

Historic Data

Download Data
DateValue
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
API Access

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