American Tower AMT
NYSE AMT
$163.09 +2.03 (+1.26%)
As of: Oct 2, 2026 · 2:13 PM EDT

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

Updated

American Tower's Shares Outstanding (Diluted) was 466.27 million in Q2 2026, down 0.5% from 468.79 million a year earlier and down 0.1% from the prior quarter.

Analysis

American Tower (AMT) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends

For FY2025, Shares Outstanding (Diluted) at American Tower came in at 468.76 million, up 0.1% from FY2024.

  • Shares Outstanding (Diluted) has now increased for 12 consecutive years, with a five-year compound annual growth rate of 1.0% (FY2020 to FY2025).
  • In earlier years, Shares Outstanding (Diluted) was 468.12 million in FY2024 (+0.2%), 467.16 million in FY2023 (+1.0%), 462.75 million in FY2022 (+2.1%) and 453.29 million in FY2021 (+1.6%).
  • The Q2 2026 figure marks the lowest quarterly Shares Outstanding (Diluted) since Q4 2022.
  • Compared with a year earlier, Shares Outstanding (Diluted) was higher in six of the last eight quarters, with an average year-over-year change of 0.0%.
  • The best year-over-year quarter for Shares Outstanding (Diluted) over five years was Q1 2022 (growth of 2.4%); the worst was Q2 2026 (a decline of 0.5%).
  • Per Business Quant data, AMT's Shares Outstanding (Diluted) in the three quarters before Q2 2026 was 466.83 million (Q1 2026), 468.76 million (Q4 2025) and 469.04 million (Q3 2025).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares Outstanding (Dil.) (Qtr)
1 American Tower 76.26 Bn 75.99 Bn 2.72 Bn 466.27 Mn
2 Digital Realty Trust 64.98 Bn 55.50 Bn - 361.54 Mn
3 Crown Castle 28.39 Bn 27.14 Bn 989.00 Mn 434.00 Mn
4 Sba Communications 16.99 Bn 17.07 Bn 539.27 Mn 106.26 Mn
5 Lamar Advertising 12.56 Bn 12.38 Bn 422.53 Mn 101.59 Mn
6 OUTFRONT Media 4.89 Bn 4.65 Bn 276.40 Mn 177.50 Mn
7 Array Digital Infrastructure 2.92 Bn 1.81 Bn 30.57 Mn 86.51 Mn
8 IHS Holding 2.80 Bn -57.74 Mn 207.10 Mn 333.06 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 466.27 Mn
Mar 31, 2026 466.83 Mn
Dec 31, 2025 468.76 Mn
Sep 30, 2025 469.04 Mn
Jun 30, 2025 468.79 Mn
Mar 31, 2025 468.52 Mn
Dec 31, 2024 468.12 Mn
Sep 30, 2024 468.26 Mn
Jun 30, 2024 467.78 Mn
Mar 31, 2024 467.66 Mn
Dec 31, 2023 467.16 Mn
Sep 30, 2023 467.16 Mn
Jun 30, 2023 466.98 Mn
Mar 31, 2023 466.81 Mn
Dec 31, 2022 462.75 Mn
Sep 30, 2022 466.80 Mn
Jun 30, 2022 459.82 Mn
Mar 31, 2022 457.21 Mn
Dec 31, 2021 453.29 Mn
Sep 30, 2021 456.98 Mn
API Access

American Tower Shares Outstanding (Diluted) 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-diluted&ticker=AMT&period=max&api_key=YOUR_API_KEY