Since the story seems to be that this has been going on for years without anyone investigating, I'd guess that most of them are long since laundered and distrib

Since the story seems to be that this has been going on for years without anyone investigating, I'd guess that most of them are long since laundered and distributed between various innocent bystanders. Even if we could trace every single uBTC to it's current location, the percentage actually held by those responsible has got to be very small.