Balyasny Asset Management is fast becoming the place to be. : Balyasny Asset Management, the Chicago-based firm aiming to become the “Amazon of hedge funds”, has continued to build out its London operation and is still poaching from investment banks. The hedge fund has increase its UK headcount by around 20% over the past year, despite most firms pulling back from the UK after Brexit, and it’s still going. Over the past few weeks, it’s hired Fiona Simpson, a VP banks analyst at Morgan Stanley in London who joined the bank in 2009.