NASDAQ
T-Mobile US, Inc. (TMUS) has a market cap of $210.02B as of Thursday, May 21, 2026. The TMUS market cap is down 3.62% over the past 30 days and has declined 22.99% over the past year. Market capitalization represents the total market value of a company's outstanding shares, calculated by multiplying the stock price by the total number of shares outstanding.
No price data available for this timeframe.