There's a good reason that Wall Street and investors follow Berkshire Hathaway (NYSE: BRK-A)(NYSE: BRK-B) CEO Warren Buffett like a hawk: his incredible track record. Since the mid-1950s, Buffett has managed to turn $10,000 in seed investment capital into a personal net worth of more than $89 billion. And keep in mind, this doesn't take into account the tens of billions of dollars Buffett has donated throughout the years.
He's also created an incredible amount of value for his shareholders, with Berkshire Hathaway's share price appreciation leading to more than $400 billion in wealth creation for investors over the long run.
The big question often is, "What's Buffett going to buy next?" Rather than contemplate which of the more than 3,000 publicly traded stocks he could choose to invest in next, let's consider the very real possibility that he could add to one or more of his existing 48 holdings. After all, Berkshire Hathaway does have a record $128.2 billion in cash on hand.