Wiese's 11.63-percent stake in Shoprite is worth $952 million, cementing his position as one of the leading investors on the Johannesburg Stock Exchange.
Raya Holding, formed in 1999 through a merger between entities owned by Khalil and Orascom Group, is a key player in the Egyptian investment landscape.
ABC Orjiakor, who owns a 6.4-percent stake in Seplat Energy, one of Nigeria's largest energy companies, ranks as one of Nigeria's wealthiest business figures.