T-Mobile US, Inc. (TMUS) is a leading Washington-based telecom provider offering wireless voice, messaging, and data services. Known for its customer-focused “Un-carrier” strategy, the company emphasizes simple pricing and innovative features. Following its 2020 merger with Sprint, T-Mobile expanded its 5G network and subscriber base, solidifying its competitive position and its market cap currently stands at $270.9 billion.
Shares of TMUS have significantly outpaced the broader market over the past year. The stock has gained 49.6% over this time frame, while the broader S&P 500 Index ($SPX) has rallied nearly 22.6%. In 2025, TMUS stock is up 9.8%, compared to SPX’s 3.1% returns on a YTD basis.
