Hedge Fund - Citadel Investment Group

Ariad Pharmaceuticals founder and CEO Harvey Berger is exiting the struggling cancer drug company in a settlement with Sarissa Capital, the activist hedge fund led by Alex Denner, the company said Wednesday...

Bill Ackman and Carl Icahn have a friend in Ken Griffin. "The role of the activist in the U.S. equity markets ...

Ken Griffin's Citadel Investment Group has increased its stakes in Tuesday Morning Corporation (NASDAQ:TUES), Swift Transportation Co (NYSE:SWFT), and Amicus Therapeutics, Inc.

Things are changing atop the ranks of the richest hedge fund mangers.

Hedge fund manager Kyle Bass has expanded the number of drug companies whose patents he has targeted to five.

DuPont's weak quarterly sales and lowered annual profit forecast is expected to provide fresh ammunition to Nelson Peltz in his campaign to split up the chemical maker.

Former Federal Reserve Chair Ben Bernanke is heading down a well-beaten path: shuffling through the revolving door between Washington's policy circles and Wall Street's big money institutions.

A proxy voting company is backing one of three directors that Paul Singer’s Elliott Advisors wants installed on Alliance Trust Plc’s board, the third investor group this week to weigh in on the hedge...

Wall Street's political kingmakers are reaching for their wallets again.