Number of shares outstanding for American Tower (AMT)

Number of shares outstanding as of May 2026 : 466,202,000

According to American Tower's latest financial reports and stock price the company's current number of shares outstanding is 466,202,000. At the end of 2026 the company had 466,202,000 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for American Tower from 1997 to 2026

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2026	0.46 B	-0.3%
2025	0.46 B	0.05%
2024	0.46 B	0.23%
2023	0.46 B	0.14%
2022	0.46 B	2.22%
2021	0.45 B	2.52%
2020	0.44 B	0.31%
2019	0.44 B	0.48%
2018	0.44 B	2.8%
2017	0.42 B	0.65%
2016	0.42 B	0.55%
2015	0.42 B	6.85%
2014	0.39 B	0.46%
2013	0.39 B	-0.11%
2012	0.39 B	0%
2011	0.39 B	-1.35%
2010	0.40 B	0.83%
2009	0.39 B	0.95%
2008	0.39 B	-4.02%
2007	0.41 B	-3.73%
2006	0.42 B	27.47%
2005	0.33 B	48.61%
2004	0.22 B	5.17%
2003	0.21 B	9.32%
2002	0.19 B	1.26%
2001	0.19 B	8.47%
2000	0.17 B	14.41%
1999	0.15 B	48.75%
1998	0.10 B	109.24%
1997	50 M

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
Crown Castle CCI	436,000,000	-6.48%	🇺🇸 USA
SBA Communications SBAC	105,815,000	-77.30%	🇺🇸 USA
Rogers Communications RCI	540,000,000	15.83%	🇨🇦 Canada
Telephone and Data Systems TDS	114,767,000	-75.38%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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