Founder of Citadel hedge fund Ken Griffin linked to group of investors including Sir Paul Marshall

The American billionaire Ken Griffin, the founder of the Citadel hedge fund, is in discussions to join a group of investors led by Sir Paul Marshall, the co-owner of GB News, that is preparing a bid to buy the Telegraph.

Marshall, the founder of the London-based hedge fund Marshall Wace, is planning a bid through his UnHerd Ventures media group before an auction of the Telegraph and Spectator titles that is expected to begin in the coming weeks.