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AMERICAN TOWER CORP /MA/ Shares Outstanding 2008-2026 | AMT

Annual FY2008–FY2025 · quarterly through Q2 FY2026

Latest annual · FY2025

466.3M

−0.2%YoY vs FY2024Source: 10-KFY2025

From 397.0M in FY2008 to 466.3M in FY2025: 1.2× in 17 years.

By quarter▲▼ vs a year before
Fiscal yearQ1Q2Q3Q4
FY26466M−0.5%466M−0.5%Not reportedNot reported
FY25468M+0.2%468M+0.2%468M+0.2%466M−0.2%
FY24467M+0.2%467M+0.2%467M+0.2%467M+0.2%
FY23466M+2.1%466M+0.1%466M+0.1%466M+0.1%
FY22456M+2.6%466M+2.3%466M+2.2%466M+2.2%

Shaded by size: darkest is the largest quarter shown; ringed is the latest reported; a dash marks a quarter with no separate figure. Each quarter sits by its period-end date.

Key Statistics

Trend DirectionStable
CAGR

+1.0%

FY2020
444.3M
FY2025
466.3M

5 years selected · on the chart

01—History

Shares Outstanding History

Year-over-year comparison from 10-K annual reports

  18. 466.3M
YoY changeLargest recent move+2.9%in FY18Latest −0.2%

02—Ledger

Shares Outstanding, period by period

PeriodValueChangeSource
FY2025466.3M−0.2%10-K
FY2024467.4M+0.2%10-K
FY2023466.3M+0.1%10-K
FY2022465.6M+2.2%10-K
FY2021455.8M+2.6%10-K
FY2020444.3M+0.3%10-K
FY2019442.9M+0.4%10-K
FY2018441.1M+2.9%10-K
FY2017428.8M+0.4%10-K
FY2016427.1M+0.8%10-K
FY2015423.9M+6.9%10-K
FY2014396.7M+0.5%10-K
FY2013394.9M−0.1%10-K
FY2012395.1M+0.4%10-K
FY2011393.6M−1.3%10-K
FY2010398.7M−0.7%10-K
FY2009401.6M+1.2%10-K
FY2008397.0M—10-K

03—Questions

What is shares outstanding?

Shares outstanding is the total number of common shares currently held by all shareholders, including restricted shares.

What is AMERICAN TOWER CORP /MA/'s current shares outstanding?

AMERICAN TOWER CORP /MA/ (AMT) annual shares outstanding for 2025 was 466.3M, a 0.23% decline from 2024. AMERICAN TOWER CORP /MA/ shares outstanding for the quarter ending June 30, 2026 was 466.0M.

What was AMERICAN TOWER CORP /MA/'s shares outstanding in 2024?

AMERICAN TOWER CORP /MA/ annual shares outstanding for 2024 was 467.4M, a 0.23% increase from 2023.

What was AMERICAN TOWER CORP /MA/'s shares outstanding in 2023?

AMERICAN TOWER CORP /MA/ annual shares outstanding for 2023 was 466.3M, a 0.15% increase from 2022.

What is AMERICAN TOWER CORP /MA/'s 5-year shares outstanding CAGR?

AMERICAN TOWER CORP /MA/ shares outstanding grew at a compound annual growth rate (CAGR) of 0.97% from FY2020 to FY2025, going from 444.3M to 466.3M over 5 years.

Company
AMERICAN TOWER CORP /MA/
Ticker
AMT
Sector
Financial Services
Industry
Real Estate Investment Trusts
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