Shares of Sirius XM Holdings Inc. SIRI shed 5.84% to $24.10 Tuesday, on what proved to be an all-around positive trading session for the stock market, with the NASDAQ Composite Index COMP rising 0.56% to 18,

It's the only satellite radio provider, but this isn't such a big advantage now that nearly all of its customers already pay for mobile internet service.

Berkshire Hathaway owns 31% of Sirius XM Holdings, the satellite-radio company, and one of Berkshire’s investment managers also holds an interest in the company.Berkshire held 105.2 million shares of Sirius XM as of Sept.

Sirius XM Holdings (NASDAQ: SIRI) investors have struggled to lock onto a signal from the satellite radio giant. The stock is down 55% this year amid disappointing results with concerns about whether the company can manage to move the dial toward stronger growth.

This was the stock's third consecutive day of gains.