We were funded by Usmanov, Moshiri was merely a figurehead. Since the Russian sanctions came into play, it's shown how "little" money Moshiri has compared to what he technically has. He's obviously very wealthy but not on the mass billionaire scale that was initially believed.
It's rumoured that it was all a bit of a money laundering exercise. I don't know 100% the ins and outs but it's been reported there's tons of shady deals between the two moving money, property, assets etc around between themselves.