As of January 2026 Allegro MicroSystems has a market cap of โน626.15 Billion. This makes Allegro MicroSystems the world's 2608th 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 30th, 2026 the market cap of Allegro MicroSystems was reported to be: