Billionaires B. Wayne Hughes, Paul Singer and Ken Griffin are among two dozen donors who together gave $5.2 million last month to American Crossroads, a Republican group aligned with political strategist Karl Rove.
Two billionaire hedge fund executives have joined Ameritrade founder Joe Ricketts’s super- political action committee as it works to elect Republicans to Congress, a U.S. Federal Election Commission report showed.
High-frequency trading firm Teza Technologies LLC, whose founder Mikhail “Misha” Malyshev says he made more than $1 billion for Citadel LLC in 2008, is considering whether to also start managing money for outside investors, according to three people with knowledge of the plans.
As time was running out, Knight Capital Group Inc. Chairman and Chief Executive Officer Thomas Joyce had three choices left -- accept a $500 million bailout from his biggest competitor, take an offer from a group of clients and others that would dilute owners, or go bankrupt.
Ken Griffin, founder of $11 billion hedge fund Citadel LLC, is in talks to sell his investment bank and is shutting its equity-research group, ending a three-year effort to build a business he said would rival Goldman Sachs Group Inc., according to two people briefed on the move.