SIRIUS XM HLDGS INC. O.N. revenue for the last year amounted to 8.40 B EUR, the most of which — 6.33 B EUR — came from its highest performing source at the moment, Sirius XM, the year earlier bringing 6.20 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought SIRIUS XM HLDGS INC. O.N. 8.40 B EUR, and the year before that — 8.11 B EUR.