There are dozens of stocks in Berkshire Hathaway's portfolio. Let's look at a couple of potential winners. Warren Buffett knows a thing or two about investing. You can do far worse than leaning on his portfolio of publicly traded investments to find the next potential addition or two for your portfolio. There are dozens of candidates. Let's go over two of the names that I like right now. Nu Holdings (NU 1.71%) and Sirius XM (SIRI 1.44%) are among the current holdings of Buffett's Berkshire Hathaway stock po ...