American Tower Corporation (AMT)

American Tower Market Cap

American Tower has a market cap or net worth of $90.41 billion as of October 20, 2025. Its market cap has decreased by -16.52% in one year.

• Market Cap: 90.41B
• Enterprise Value: 132.46B
• 1-Year Change: -16.52%
• Ranking: #161
• Category: Large-Cap
• Stock Price: $193.08

Market Cap Chart

Since December 1, 1998, American Tower's market cap has increased from $2.58B to $90.41B, an increase of 3,406.57%. That is a compound annual growth rate of 14.14%.

Market Cap History

Date	Market Cap	% Change
Oct 17, 2025	89.57B	4.51%
Dec 31, 2024	85.71B	-14.84%
Dec 29, 2023	100.64B	2.02%
Dec 30, 2022	98.64B	-25.95%
Dec 31, 2021	133.21B	33.60%
Dec 31, 2020	99.71B	-2.05%
Dec 31, 2019	101.80B	46.09%
Dec 31, 2018	69.68B	13.89%
Dec 29, 2017	61.18B	36.01%
Dec 30, 2016	44.99B	9.55%
Dec 31, 2015	41.07B	4.78%
Dec 31, 2014	39.19B	24.41%
Dec 31, 2013	31.50B	3.11%
Dec 31, 2012	30.55B	29.52%
Dec 30, 2011	23.59B	14.45%
Dec 31, 2010	20.61B	18.80%
Dec 31, 2009	17.35B	49.14%
Dec 31, 2008	11.63B	-32.54%
Dec 31, 2007	17.24B	8.70%
Dec 29, 2006	15.86B	42.13%
Dec 30, 2005	11.16B	165.65%
Dec 31, 2004	4.20B	76.85%
Dec 31, 2003	2.38B	244.13%
Dec 31, 2002	690.30M	-62.64%
Dec 31, 2001	1.85B	-72.74%

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