JANUS HENDERSON GROUP PLC revenue for the last year amounted to 1.98 B EUR, the most of which — 1.95 B EUR — came from its highest performing source at the moment, Investment and Related Activities, the year earlier bringing 2.02 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought JANUS HENDERSON GROUP PLC 1.21 B EUR, and the year before that — 1.22 B EUR.