IQVIA HOLDINGS INC revenue for the last year amounted to 13.58 B EUR, the most of which — 7.61 B EUR — came from its highest performing source at the moment, Research and Development Solutions, the year earlier bringing 7.40 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought IQVIA HOLDINGS INC 6.11 B EUR, and the year before that — 5.65 B EUR.