Citadel Securities, a unit of Citadel LLC in Chicago, has fired about 10 percent of its staff.
Jamey Thompson, co-head of Citadel LLC’s global credit group, is leaving the $15 billion hedge-fund firm after five years.
Ken Griffin, the billionaire hedge- fund manager who’s captured almost 20 percent of trading in equity options through his market-making business, is taking aim at the global swaps industry.
Two Goldman Sachs Group Inc. managing directors are leaving for Citadel LLC, joining the migration of traders leaving Wall Street banks for hedge funds as lenders pull back from riskier businesses.
Jeff Runnfeldt, co-head of Citadel LLC’s global equities group, is leaving after a decade at the hedge fund.
"Citadel does not have, and never has had, an' insider trading group."
- Katie Spring on Jul 25, 2013