There are dozens of stocks in Berkshire Hathaway's (BRK.A 0.32%) (BRK.B -0.06%) $320 billion stock portfolio, but many investors don't realize just how top-heavy it is. In this short video, Fool.com contributor and Certified Financial Planner® Matt Frankel discusses Berkshire's 10 largest stock holdings, most of which were selected by Warren Buffett himself.

*Stock prices used were the midday prices of Sept. 28, 2022. This video was published on Sept. 28, 2022.