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South Africa's richest billionaire adds $1.58 billion to his fortune in just 24 hours

The boost in Johann Rupert's wealth is tied to the performance of Richemont, the Swiss-based luxury conglomerate he chairs.

Johann Rupert

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Key Points

  • Johann Rupert’s net worth surged by $1.58 billion in 24 hours, reaching $15.2 billion, fueled by Richemont's 17% share price rise.
  • Richemont, chaired by Rupert, hit $16.7 billion nine-month sales in fiscal 2025, with record quarterly revenue of $6.33 billion.
  • Analysts upgraded Richemont stock following strong performance, driving investor interest and boosting Rupert’s wealth significantly.

South Africa’s richest person, Johann Rupert, has added $1.58 billion to his fortune in the past 24 hours, bringing his net worth to $15.2 billion, according to the Bloomberg Billionaires Index.

This recent gain builds on the $1.3 billion increase in his net worth over 2024, and solidifies his status as South Africa’s wealthiest individual and one of the richest people globally.

Richemont shares surge, Rupert benefits

The boost in Rupert's wealth is tied to the performance of Richemont, the Swiss-based luxury conglomerate he chairs. Richemont owns iconic brands such as Cartier, Van Cleef & Arpels, and Chloé.

Over the past 24 hours, the company’s shares on the SIX Swiss Exchange in Zurich surged more than 17 percent, driving its market capitalization closer to $100 billion. As a result, Rupert’s stake in the company, valued at $10.9 billion, rose sharply from $9.3 billion.

Rupert holds a 10.18 percent equity stake and controls 51 percent of Richemont's voting rights through his ownership of 6.26 million “A” shares and 522 million “B” shares.

This underscores his influence over the luxury goods giant, which continues to thrive in a challenging global environment.

Richemont reports $16.7 billion nine-month sales

Richemont recently reported nine-month sales of $16.7 billion for its fiscal year 2025, a 3 percent increase compared to the same period in 2023.

The results included a record-breaking quarterly revenue of €6.15 billion ($6.33 billion), showcasing the company’s ability to navigate currency fluctuations and geopolitical uncertainties.

While Richemont experienced a 15 percent sales decline in the Asia Pacific region—primarily due to weak consumer confidence in China, Hong Kong, and Macau—the company delivered strong growth elsewhere.

Japan stood out with a remarkable 25 percent surge in sales, driven by robust domestic demand and a rebound in tourism.

The Americas and the Middle East & Africa regions each reported a 15 percent sales increase, while Europe saw a steady 9 percent rise, supported by consistent domestic spending despite challenging prior-year comparisons.

Analysts upgrade Richemont shares on record sales

Analysts have taken note of Richemont’s resilience, upgrading their ratings on its stock after the group delivered record sales.

Renewed optimism in its growth potential has spurred heightened investor interest, further boosting the company’s share price and, in turn, Rupert’s wealth.

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