Companies: 10,999     total market cap: NZ$266.074 T
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T-Mobile US
TMUS
#100
Rank
NZ$342.93 B
Marketcap
๐Ÿ‡บ๐Ÿ‡ธ United States
Country
NZ$316.89
Share price
0.20%
Change (1 day)
-13.65%
Change (1 year)
๐Ÿ“ก Telecommunication
Categories

Market capitalization of T-Mobile US (TMUS)

Market cap: NZ$342.93 Billion

As of June 2026 T-Mobile US has a market cap of NZ$342.93 Billion. This makes T-Mobile US the world's 100th 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
2026NZ$342.93 B-12.2%
2025NZ$390.58 B-14.89%
2024NZ$458.91 B56.52%
2023NZ$293.19 B6.87%
2022NZ$274.34 B29.35%
2021NZ$212.08 B-8.57%
2020NZ$231.96 B132.48%
2019NZ$99.77 B23.76%
2018NZ$80.62 B8.37%
2017NZ$74.39 B8.75%
2016NZ$68.41 B46.25%
2015NZ$46.77 B68.49%
2014NZ$27.76 B-15.42%
2013NZ$32.82 B645.34%
2012NZ$4.40 B9.31%
2011NZ$4.02 B-30.69%
2010NZ$5.81 B56.89%
2009NZ$3.70 B-58.65%
2008NZ$8.96 B1.38%
2007NZ$8.83 B

End of Day market cap according to different sources

On Jun 18th, 2026 the market cap of T-Mobile US was reported to be:

NZ$342.93 Billion
by Nasdaq info icon info icon
NZ$342.93 Billion
by CompaniesMarketCap info icon info icon

Market capitalization for similar companies or competitors

Name Marketcap Market cap differencediff. Country
AT&T
T
NZ$266.76 B-22.21%๐Ÿ‡บ๐Ÿ‡ธ USA
Verizon
VZ
NZ$330.44 B-3.64%๐Ÿ‡บ๐Ÿ‡ธ USA
Spok Holdings
SPOK
NZ$0.38 B-99.89%๐Ÿ‡บ๐Ÿ‡ธ USA
Shentel
SHEN
NZ$1.36 B-99.60%๐Ÿ‡บ๐Ÿ‡ธ USA
America Movil
AMX
NZ$138.62 B-59.58%๐Ÿ‡ฒ๐Ÿ‡ฝ Mexico
U.S. Cellular
USM
NZ$11.55 B-96.63%๐Ÿ‡บ๐Ÿ‡ธ USA
Telephone and Data Systems
TDS
NZ$7.86 B-97.71%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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