Few individual investors have quite as much capital to deploy as Prince Alwaleed Bin Talal of Saudi Arabia. Through his Kingdom Holding , he holds significant stakes in companies including Citigroup C -0.41%, Twitter TWTR +1.28% – and, until recently, News Corporation. The Prince hasn’t sold out completely – he still owns about 1% of the company, as well as a separate 6.6% shareholding in 21st Century Fox Inc which in itself is worth about $1.7 billion – but he previously also held 6.6% of News Corp NWSA 0%, or a total of 13.184 million class B shares. He’s shed...