Warren Buffett's Berkshire Hathaway continued to increase its stake in SiriusXM, now owning 32% of the New York-based satellite radio company.The Omaha, Nebraska-based conglomerate purchased roughly 3.

Key Takeaways SiriusXM shares rallied Monday after Warren Buffett’s Berkshire Hathaway raised its stake in the satellite radio company.Berkshire Hathaway now holds a stake of nearly one-third in SiriusXM.

Warren Buffett acquired Berkshire Hathaway back in 1965. Over the first few decades of operation, the company soared in value. In the 1980s, for example, Berkshire stock rose in value by at least 30% most years, with annual returns reaching as high as 90%.

Warren Buffett’s Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B) is often considered a reliable stock for conservative long-term investors. The conglomerate is led by Warren Buffett, who famously said his favorite holding period for a stock is "forever.

Jefferies has been on a tear since Berkshire bought in. Check out the closer look of JEF stock and read why I rate it as a Buy.

Keep reading to see two Warren Buffett stocks that could soar on the trend into next year. Image source: The Motley Fool. NVR (NYSE: NVR) is often considered the best-in-class homebuilder stock, and it's easy to see why. The stock is up an incredible 175,000% over the last 30 years, meaning it's turned $1,000 into $1.75 million.

Raising its stake in the home of Howard Stern to 32 percent represents a vote of confidence in SiriusXM XM Holdings combining with the Liberty Media tracking stock group.