Mr. Kovner of Caxton Associates hadn't dabbled very much in politics before the August meeting.

WSJ: Financiers Switch to GOP

Prominent global macro hedge fund manager Caxton Associates LP recently reduced its management fee by 0.40% and its incentive fee level by 2.5%.

FORBES: Price Wars Heat Up Investment World

D. program and drove a New York taxi before starting Caxton Associates LLC, secretly amassed the priceless collection during the past decade of auction hunting.

NPR: Juilliard Chairman Donates Trove of Rare Artifacts

Shareholders now know about Feldman's deal only because Ross Taylor of 10% owner Caxton Associates pried it out of him during an investor conference call in May.

FORBES: Death Grip

The gathering included Republican stalwarts such as Paul Singer of Elliott Management and Dan Senor of Rosemont Capital, but also some more recent Republican donors such as Bruce Kovner of Caxton Associates.

WSJ: Financiers Switch to GOP