Bruce Stanley Kovner (born 1945 in Bronx, New York) is an American businessman. He is the founder and Chairman of Caxton Associates, a hedge fund that trades a global macro strategy and is considered amongst the worlds top and largest 10 hedge funds with an estimated $14 billion under management . In March 2011, Kovner had an estimated net worth of around $4.5 billion.
Described as secretive even by family and friends, the divorcee is perhaps one of the least known New York City billionaires outside of professional circles. His Caxton Associates, despite the large amount of assets under management, is known to be amongst the top 25 most enigmatic and secretive hedge funds globally. He is a leading philanthropist and former chairman of American Enterprise Institute.