As of December 2025 Allegro MicroSystems has a market cap of A$7.43 Billion. This makes Allegro MicroSystems the world's 3078th 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 Dec 25th, 2025 the market cap of Allegro MicroSystems was reported to be: