As of July 2026 Quantum Corporation has a market cap of โน43.53 Billion. This makes Quantum Corporation the world's 7659th 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 Jul 21st, 2026 the market cap of Quantum Corporation was reported to be: