Companies: 11,345     total market cap: A$219.483 T
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T-Mobile US
TMUS
#104
Rank
A$259.97 B
Marketcap
๐Ÿ‡บ๐Ÿ‡ธ United States
Country
A$242.36
Share price
0.55%
Change (1 day)
-29.91%
Change (1 year)
๐Ÿ“ก Telecommunication
Categories

Market capitalization of T-Mobile US (TMUS)

Market cap: A$259.97 Billion

As of October 2026 T-Mobile US has a market cap of A$259.97 Billion. This makes T-Mobile US the world's 104th 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 2026

End of year Market Cap

Year Marketcap Change
2026A$259.97 B-23.02%
2025A$337.72 B-18.83%
2024A$416.09 B52.89%
2023A$272.15 B6.33%
2022A$255.95 B28.1%
2021A$199.81 B-8.2%
2020A$217.67 B126.79%
2019A$95.97 B25.03%
2018A$76.76 B13.43%
2017A$67.68 B2.95%
2016A$65.74 B49.59%
2015A$43.94 B65.34%
2014A$26.58 B-12.11%
2013A$30.24 B767.43%
2012A$3.48 B13.69%
2011A$3.06 B-30.54%
2010A$4.41 B47.37%
2009A$2.99 B-59.35%
2008A$7.37 B-4.83%
2007A$7.74 B

End of Day market cap according to different sources

On Oct 7th, 2026 the market cap of T-Mobile US was reported to be:

A$258.56 Billion
by Nasdaq info icon info icon
A$258.56 Billion
by CompaniesMarketCap info icon info icon

Market capitalization for similar companies or competitors

Name Marketcap Market cap differencediff. Country
AT&T
T
A$242.31 B-6.79%๐Ÿ‡บ๐Ÿ‡ธ USA
Verizon
VZ
A$273.55 B 5.22%๐Ÿ‡บ๐Ÿ‡ธ USA
Spok Holdings
SPOK
A$0.32 B-99.87%๐Ÿ‡บ๐Ÿ‡ธ USA
Shentel
SHEN
A$0.91 B-99.65%๐Ÿ‡บ๐Ÿ‡ธ USA
America Movil
AMX
A$95.95 B-63.09%๐Ÿ‡ฒ๐Ÿ‡ฝ Mexico
U.S. Cellular
USM
A$9.52 B-96.34%๐Ÿ‡บ๐Ÿ‡ธ USA
Telephone and Data Systems
TDS
A$5.82 B-97.76%๐Ÿ‡บ๐Ÿ‡ธ 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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