T-Mobile US (TMUS) - Market capitalization

Market cap: HK$1.836 Trillion

As of December 2025 T-Mobile US has a market cap of HK$1.836 Trillion. This makes T-Mobile US the world's 66th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of T-Mobile US from 2007 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	HK$1.836 T	-8.6%
2024	HK$2.009 T	38.75%
2023	HK$1.448 T	6.41%
2022	HK$1.360 T	20.48%
2021	HK$1.129 T	-12.94%
2020	HK$1.297 T	147.93%
2019	HK$523.34 B	23.58%
2018	HK$423.49 B	2.59%
2017	HK$412.82 B	12.34%
2016	HK$367.48 B	48.09%
2015	HK$248.14 B	47.07%
2014	HK$168.72 B	-19.34%
2013	HK$209.17 B	644.85%
2012	HK$28.08 B	14.99%
2011	HK$24.42 B	-30.02%
2010	HK$34.90 B	67.26%
2009	HK$20.86 B	-48.07%
2008	HK$40.18 B	-23.88%
2007	HK$52.79 B

End of Day market cap according to different sources

On Dec 4th, 2025 the market cap of T-Mobile US was reported to be:

HK$1.811 Trillion

by Nasdaq

HK$1.822 Trillion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Verizon VZ	HK$1.368 T	-25.49%	🇺🇸 USA
AT&T T	HK$1.407 T	-23.38%	🇺🇸 USA
Telephone and Data Systems TDS	HK$35.43 B	-98.07%	🇺🇸 USA
Spok Holdings SPOK	HK$2.08 B	-99.89%	🇺🇸 USA
U.S. Cellular USM	HK$51.55 B	-97.19%	🇺🇸 USA
America Movil AMX	HK$505.07 B	-72.50%	🇲🇽 Mexico
Shentel SHEN	HK$4.82 B	-99.74%	🇺🇸 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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Market capitalization of T-Mobile US (TMUS)

Market cap: HK$1.836 Trillion