 Liberty Sirius XM Group Series A NASDAQ:LSXMA and Orbital Tracking OTCMKTS:TRKK are both computer and technology companies, but which is the superior business? We will contrast the two businesses based on the strength of their profitability, risk, earnings, dividends, valuation, analyst recommendations and institutional ownership. Insider Institutional Ownership 29.7 of Liberty Sirius XM Group ... 