The Sports Direct boss and Newcastle United owner's fortune shrank by more than one billion pounds last year to £2.43bn, according to the latest figures from the Sunday Times Rich List.
Arcadia boss Sir Philip Green, owner of Tophsop among several fashion stores and the man who sold off BHS for just a quid last year, saw his wealth shrink by £280m to £3.22bn.
The wealth of Francois-Henri Pinault, the head of Luxury fashion group Kering which owns Stella McCartney and Alexander McQueen fashion brands, diminished by £260m to stand at £2.35bn.
Christo Wiese, the man who last year bought up fast fashion chain New Look, made a new entry among the retail billionaires.
The richest retail billionaires
|Business (non-retail not included)||Worth||Rise/fall|
|4||3||Galen and George Weston and family||Selfridges + ABF||£11bn||-|
|12||13||Sir David and Sir Frederick Barclay||Shop Direct||£7bn||£500m|
|22||New||Christo Wiese||New Look||£4.33bn||New|
|29||22=||Sir Philip and Lady Green||Arcadia||£3.22bn||-£280m|
|36||25||Sir Henry Keswick and family||Jardine Matheson||£2.98bn||-£300m|
|45||22=||Mike Ashley||Sports Direct||£2.43bn||-£1.07bn|
|46||38||Francois-Henri Pinault and Salma Hayek||Kering||£2.35bn||-£260m|
|62=||75=||Mohamed Al Fayed and family||Harrods||£1,700||£400m|
|65||101=||Robert Miller and Princess Marie-Chantal and family||Duty Free Shops||£1,580||£540m|
|67=||80=||Bernard Lewis and family||River Island||£1,500||£250m|
|90=||85=||Lord Grantchester and the Moores family||Jardine Matheson||£1,200||-|
|93||128=||Christina Ong and family||Mulberry||£1,170||£320m|
|110=||145=||Philip Day||Edinburgh Woollen Mill||£1,050||£300m|