As of January 2026 Silicon Motion has a market cap of $3.83 Billion USD. This makes Silicon Motion the world's 3588th 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 Jan 17th, 2026 the market cap of Silicon Motion was reported to be: