As of February 2026 Allegro MicroSystems has a market cap of ยฃ5.75 Billion. This makes Allegro MicroSystems the world's 2411th 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 Feb 10th, 2026 the market cap of Allegro MicroSystems was reported to be: