WELLTOWER OP LLC revenue for the last year amounted to 5.59 B CHF, the most of which — 4.02 B CHF — came from its highest performing source at the moment, Seniors Housing Operating, the year earlier bringing 3.93 B CHF. The greatest contribution to the revenue figure was made by United States — last year it brought WELLTOWER OP LLC 4.65 B CHF, and the year before that — 4.48 B CHF.