The billionaire offloaded about 4% of the space-travel company to prop up his business empire during the pandemic.
Family offices are rapidly proliferating, driven by surging fortunes in technology and finance.
Rock-bottom interest rates have fueled the biggest borrowing binge on record.
Asset-backed debt is one of the hottest parts of private banking.
The duo started a digital-payments company to bypass expensive banking fees.
Another day, another super-expensive yacht being bought by a multi-billionaire in this new gilded age.
Global household wealth totalled $418 trillion at the end of 2020, rising 7.4% from 12 months previously.
Murdoch's Lupa Systems is looking for about $150 million each from fewer than half a dozen family offices.
LVMH Chairman Bernard Arnault is now the world's second richest person.
The ultra-wealthy are massively selling stocks in May.