The richest businessmen in the Russian Federation have lost more than $28 billion since the beginning of the year, Bloomberg reported. At the end of October, the largest decrease was recorded by Norilsk Nickel President Vladimir Potanin. The figure dropped by $8.1 billion compared to the same period in 2025. The total funds of the entrepreneur amount to $21.6 billion. Next in the ranking is Mikhail Prokhorov ("Onexim"). His revenue decreased by $4.86 billion to $10.8 billion. Third is Mikhail Fridman, whose losses amounted to $3.8 billion with a remaining balance of $10.4 billion. The Bloomberg Billionaires Index is calculated based on the stock prices of companies held by billionaires. In total, the ranking includes the 500 richest people in the world.