Stifel ranks 54th among merger and acquisition advisers this year and 51st for underwriting U.S. debt, according to data compiled by Bloomberg. Cowen is tied for 195th for mergers and wasn’t ranked for debt. Cowen shares have plunged 42 percent in 2010, while Stifel has fallen 21 percent.
Quirke was asked to leave Cowen, said Dan Gagnier, a spokesman for the company at Sard Verbinnen & Co., a public- relations firm. Sarah Anderson, a spokeswoman for Stifel in San Francisco, wouldn’t comment. Quirke and Stifel Chairman and Chief Executive Officer Ron Kruszewski didn’t return phone messages left at their offices.
Stifel’s hire follows its purchase this year of San Francisco-based Thomas Weisel to expand investment banking. The deal will help Stifel add clients in the technology and health- care industries, the firm said.
Quirke was named head of health-care investment banking at Cowen earlier this year, according to a March 4 statement from the firm. He joined the company from Robertson Stephens in 2001 as a managing director and head of health care mergers and acquisitions, according to a statement in May of that year.
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