So you want to invest like Warren Buffett? Most investors, professional and otherwise, would probably give their right arm to generate the returns that Buffett has over the years. And the good news is investors can easily get their hands on data that show what stocks Buffett's Berkshire Hathaway (NYSE: BRK-A) (NYSE: BRK-B) owns.

These days, Berkshire has equity stakes in almost 30 companies and with plenty of cash sitting around, that number could easily increase in the coming months.