Others high on the list include Chelsea owner Roman Abramovich, up almost £2 billion to £12 billion, and Stephen Rubin and family (£6 billion), credited for continuing to make money in a diminishing high street through the Pentland sportswear brands and a 55 per cent holding in JD Sports.
Cardiff-born Sir Michael Moritz (£3.5 billion) profited by spotting the potential for Google, PayPal and YouTube. Now he focuses on a San Francisco-based foundation he set up with his wife, Harriet Heyman, supporting education and economic and social justice.
Lord Sugar’s wealth is estimated at £1.2 billion while the fortune of Sir Philip and Lady Green – whose Arcadia empire went into administration in December – is now valued by the Sunday Times at £910 million. In 2011, it was calculated at £4.2 billion.
Gerald Ronson and family rank high on a separate list of giving, based on proportion of wealth donated to charity.
