As of October 2026 STMicroelectronics has a market cap of โฌ39.98 Billion. This makes STMicroelectronics the world's 565th 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.
On Oct 29th, 2026 the market cap of STMicroelectronics was reported to be: