With as impressive of an investing track record as Warren Buffett has achieved, you'd expect his Berkshire Hathaway portfolio would be loaded with great stocks. And you'd be right. The good news is that you don't need a huge amount of cash to buy many of those stocks.

Buffett first invested in Verisign (NASDAQ: VRSN) in 2012, and at the time of this writing, the shares have gone on to increase by at least 325% since then. He continued to buy shares in 2013 and 2014, but it has been more than 10 years since he added to the position. Here's why he's coming back to Verisign now. Image source: The Motley Fool.

Warren Buffett's success as an investor means that the portfolio of stocks within Berkshire Hathaway get a lot of attention. Although you always have to make your own buy-and-sell calls, there are a couple of interesting stocks inside Buffett's investment vehicle worth thinking about today.

Berkshire Hathaway ( BRK.A 1.42%) ( BRK.B 1.11%) owns shares of more than 40 different companies in its portfolio. To be perfectly honest, there's a solid investment case to be made for all of them. After all, Warren Buffett and his team tend to invest in industry leaders with excellent cash flow and durable competitive advantages.

Warren Buffett is known for his investing success, generating market-beating returns over the long run. As chairman, he's helped Berkshire Hathaway deliver a compounded annual gain of more than 19% over 58 years -- that's as the S&P 500 posted a compounded increase of about 10% during that period.