Rupert still remains South Africa's richest man.
However, Rupert still remains South Africa's second-richest man.
The news comes a week after Mediclinic rejected its acquisition bid.
Remgro and MSC offered about $4.3 billion for Mediclinic, a South African hospital group.
Rupert is now ranked 214th on the Bloomberg Billionaires Index.
Grindrod is a freight logistics and shipping services company owned in part by Rupert's Remgro Limited.
Rupert's net worth fell by $896 million as a result of the 14 percent drop in Richemont shares on Friday.
Oppenheimer's net worth is estimated to be $8.55 billion as of press time.
Richemont sales reached an all-time high of €19.2 billion in 2022.
In April alone, his net worth fell from $10.9 billion to $10.01 billion.
