Sunderland fans have been left furious after Kyril Louis-Dreyfus revealed the previous owners still held the majority shares in the club.
The Athletic claim the 25-year-old owns a 41 per cent stake in the club with Madrox still owning the majority shares.
Stewart Donald has a 34 per cent stake in the club, Juan Sartori has 20 per cent shares in the club and Charlie Methven makes up the remaining five per cent.