The world’s exclusive club of billionaires lost money last year for the first time in nearly five years, according to a new report, but count more U.S. members among the superrich.

In 2018, billionaires’ wealth dropped globally by 4.3%, falling by $388 billion to $8.5 trillion, according to the Friday report from UBS and PwC. The last time the uber-rich saw their wealth decline was in 2015.