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David Harding
Hedge fund
Rank 2017
99
Worth
£1,300m
Rise/fall
£150m
Winton Group appeared to be one of the winners of Brexit when Britain voted to leave the EU last June. The hedge fund set up in 1997 by Cambridge physicist Harding, 55, was said to have gained $1.1bn in the days after the referendum. But the success may have tasted sour; Harding had donated £1m to the "remain" campaign. Profits at Winton – which uses Harding’s middle name – fell to £219.4m in 2015 but he is rapidly expanding the business, which now manages more than $30bn of clients’ assets and has nine offices around the world. In the past two years Hammersmith-based Winton has paid out more than £550m of dividends, with Harding entitled to half of these. After adding salaries and taking account of at least £50m of philanthropy in recent years, including £9m donated last year to a range of charities involved in scientific and medical research and the communication of scientific ideas, he is worth £1.3bn.