Author: Sean Williams, The Motley Fool

These long-time, brand-name holdings in Berkshire Hathaway’s portfolio are generating some truly jaw-dropping annual yields, relative to their cost bases.

A modest amount of money can go a long way when it’s invested in highly profitable industry leaders with sustained competitive advantages.

Its forward P/E ratio of less than 6 is the cheapest it’s traded in at least a decade, if not its history as a publicly traded company.