How many owners does McDonald's have?

According to Mr. Franchise of Franchise Foundations, there is no single owner of McDonalds Corporation - it is a publicly traded company and is owned by thousands and thousands of shareholders. Mr. Franchise notes that, contrary to the previous answer, the owner of McDonalds is not Ronald McDonald. For an interesting history of the McDonalds rise to franchise fame, visit the Franchise Foundations website, Articles I page.