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John Armitage
Hedge fund
Rank 2017
228=
Worth
£540m
Rise/fall
£40m

Hedge fund star Armitage, 57, donated £15,000 to the ill-fated Remain campaign. A former banker, the Cambridge history graduate runs Egerton Capital, the £12bn London fund he co-founded with William Bollinger (qv). In 2015-16 profits recovered to £135.8m from £94.7m the previous year after canny bets against energy stocks. Armitage's 50% stake and other interests easily amount to a £540m fortune.