SpaceX's $75bn IPO has pushed Prince Alwaleed bin Talal's net worth to a decade-high $27bn, with Kingdom Holding shares climbing 5% at Sunday's open. SpaceX's $75bn IPO has pushed Prince Alwaleed bin Talal's net worth to a decade-high $27bn, with Kingdom Holding shares climbing 5% at Sunday's open. by Soban News (international And National News)