Warren Buffett's Berkshire Hathaway once again scooped up shares of Sirius XM, boosting its stake in the satellite radio company to over 35%.The Omaha, Nebraska-based conglomerate purchased roughly 2.

Berkshire Hathaway has compounded shareholder capital at nearly 20% annually since the 1960s. It all comes down to capital allocation, something the great Warren Buffett, longtime CEO of Berkshire, is great at.

We recently published a list of Warren Buffett’s 10 Longest-Held Stocks. In this article, we are going to take a look at where VeriSign, Inc.