DexCom Inc. (NASDAQ:DXCM) achieved fourth-quarter 2025 revenue of $1.26 billion, exceeding Wall Street's $1.25 billion estimate and marking a 12.6% year-over-year rise. The company also reported full-year revenues of $4.66 billion, outpacing its own guidance, and expects 2026 revenues between $5.16 billion and $5.25 billion as it rolls out new continuous glucose monitoring products and AI upgrades. This robust financial performance reinforces DexCom's status as a strong investment in the medical technology sector.