SuperworthT-Mobile US market cap TMUS
Share price times shares outstanding: what the whole company sells for, since 2010.
- Today, Oct 23, 2026
- $157.2B
- Highest close in our data
- $309.2B
- Feb 2025
T-Mobile US is worth $157.2B at the close on Oct 23, 2026, at $146.54 a share.
That is down 35% over the last year and up 9% over five years.
Its highest close in our data was $309.2B in Feb 2025.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $157.2B | $157.2B | $244.1B | −30% |
| 2025 | $224.8B | $218.3B | $309.2B | −13% |
| 2024 | $258.8B | $187.1B | $286.6B | +40% |
| 2023 | $185.4B | $156.9B | $186.2B | +6% |
| 2022 | $174.2B | $126.9B | $189.6B | +20% |
| 2021 | $144.9B | $140.9B | $186.3B | −13% |
| 2020 | $167.4B | $63.9B | $167.4B | +153% |
| 2019 | $66.1B | $56.8B | $72B | +23% |
| 2018 | $53.7B | $47.8B | $59.5B | +2% |
| 2017 | $52.8B | $46.8B | $56.8B | +11% |
| 2016 | $47.4B | $28.6B | $47.8B | +48% |
| 2015 | $31.9B | $22B | $34.8B | +46% |
| 2014 | $21.8B | $20.4B | $27.6B | −10% |
| 2013 | $24.3B | $3.2B | $24.3B | +580% |
| 2012 | $3.6B | $2.1B | $4.6B | +14% |
| 2011 | $3.1B | $2.7B | $6.5B | −30% |
| 2010 | $4.5B | $3.1B | $4.5B | n/a |
Against its peers
Companies in Telecommunications Services nearest T-Mobile US' size, closest first, today.
| Company | Market cap |
|---|---|
| TMUST-Mobile US | $157.2B |
| TAT&T | $143.4B |
| VZVerizon Communications | $185.6B |
| CMCSAComcast | $80.5B |
| Peer median | $143.4B |
What the market cap tells you
Share price times shares outstanding: what the whole company sells for today.
Size, not quality. Large caps move slower and are covered more. That is all it tells you.
More on T-Mobile US
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.