Whenever Warren Buffett and Berkshire Hathaway (NYSE:BRK.A)(NYSE:BRK.B) disclose their latest stock picks, it is always headlining news, but should individual investors even care about Berkshire Hataway's portfolio and Buffett's latest buys? And more importantly, should they be buying what he's buying?

In the most recent quarter, Buffett and team added to their positions in ExxonMobil, U.S. Bancorp, and DaVita HealthCare Partners. All of these companies are huge multinational companies – a trend we've seen at Berkshire Hathaway in recent years. As Berkshire's portfolio has grown in size, Buffett's investment opportunities capable of moving the overall needle have dwindled.

In this segment of The Motley Fool's financials-focused show, Where the Money Is, banking analysts Matt Koppenheffer and David Hanson debate the usefulness of studying the Berkshire Hathaway portfolio of stocks. Matt believes Buffett's stock picks are hugely helpful to everyday investors, while David thinks there are valuable lessons to be glean, he doesn't think it gives investors an clear advantage. Matt also tells viewers his favorite stock in the whole portfolio.

This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.