Griffin voiced his displeasure with how he and his company were portrayed in the recently-released movie “Dumb Money,” which focuses the GameStop stock saga. Ken Griffin has sent legal letters ...

Ken Griffin and Citadel Securities found themselves embroiled in a payment-for-order-flow issue during the GameStop short squeeze of early 2021. Recently, Citadel's CEO criticized the effect of ...

Ken Griffin, on how the GameStop frenzy helped raise Citadel's profile with potential hires. The SEC later found no truth to the conspiracy theories. Yet the GameStop affair, in an odd twist ...

The poster child was hedge fund Melvin Capital, which was heavily shorting GameStop and became a target of the army of amateur traders, suffering huge losses that prompted Ken Griffin’s Citadel ...