As of April 2025 Sirius XM has a market cap of โน646.20 Billion. This makes Sirius XM the world's 2056th 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 Apr 1st, 2025 the market cap of Sirius XM was reported to be: