South African billionaire Nicky Oppenheimer's family stock portfolio returned nearly 25% in 2025
The London firm that invests the Oppenheimer family fortune says its public equity portfolio returned close to 25% in dollar terms last year.
Mary Slack
10 assets owned by South Africa’s richest woman, Mary Slack
Slack, the granddaughter of Ernest Oppenheimer and elder sister of Nicky Oppenheimer, owns interests in dozens of ompanies.