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.

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

The major market indices may have hit fresh all-time highs this week, but Sirius XM Holdings (NASDAQ: SIRI) investors weren't invited to the party: Shares of the satellite radio provider hit a 12-year low this week.