JANUS HENDERSON GROUP PLC ORD USD1.50 revenue for the last year amounted to 2.10 B USD, the most of which — 2.10 B USD — came from its highest performing source at the moment, Investment and Related Activities, the year earlier bringing 2.20 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought JANUS HENDERSON GROUP PLC ORD USD1.50 1.30 B USD, and the year before that — 1.32 B USD.