Companies: 10,639     total market cap: S$174.097 T
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T-Mobile US
TMUS
#75
Rank
S$285.80 B
Marketcap
๐Ÿ‡บ๐Ÿ‡ธ United States
Country
S$253.95
Share price
1.02%
Change (1 day)
-17.04%
Change (1 year)
๐Ÿ“ก Telecommunication
Categories

Market capitalization of T-Mobile US (TMUS)

Market cap: S$285.80 Billion

As of December 2025 T-Mobile US has a market cap of S$285.80 Billion. This makes T-Mobile US the world's 75th 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
2025S$285.80 B-18.76%
2024S$351.79 B43.66%
2023S$244.88 B4.87%
2022S$233.50 B19.23%
2021S$195.84 B-11.55%
2020S$221.42 B144.41%
2019S$90.59 B22.62%
2018S$73.88 B4.54%
2017S$70.67 B3.04%
2016S$68.58 B51.45%
2015S$45.28 B57.56%
2014S$28.74 B-15.9%
2013S$34.17 B671.38%
2012S$4.43 B8.8%
2011S$4.07 B-29.51%
2010S$5.77 B52.9%
2009S$3.77 B-49.2%
2008S$7.43 B-23.67%
2007S$9.74 B

End of Day market cap according to different sources

On Dec 14th, 2025 the market cap of T-Mobile US was reported to be:

S$281.19 Billion
by Nasdaq info icon info icon
S$282.92 Billion
by CompaniesMarketCap info icon info icon

Market capitalization for similar companies or competitors

Name Marketcap Market cap differencediff. Country
Verizon
VZ
S$223.85 B-21.67%๐Ÿ‡บ๐Ÿ‡ธ USA
AT&T
T
S$225.25 B-21.19%๐Ÿ‡บ๐Ÿ‡ธ USA
Telephone and Data Systems
TDS
S$5.68 B-98.01%๐Ÿ‡บ๐Ÿ‡ธ USA
Spok Holdings
SPOK
S$0.35 B-99.88%๐Ÿ‡บ๐Ÿ‡ธ USA
U.S. Cellular
USM
S$8.53 B-97.01%๐Ÿ‡บ๐Ÿ‡ธ USA
America Movil
AMX
S$82.68 B-71.07%๐Ÿ‡ฒ๐Ÿ‡ฝ Mexico
Shentel
SHEN
S$0.83 B-99.71%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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