Matthew Dundon, Marc Aylett and Brian Hertzog joined Advent Capital Management, part of the firm's investment team expansion, said Alexandra Gambale, a company spokeswoman.
All three positions are new, Ms. Gambale said. Mr. Dundon was named managing director and portfolio manager to Advent's hedge fund management unit. Mr. Aylett joined as vice president, portfolio management on the high-yield securities strategy team. Mr. Hertzog's role as vice president, research places him as an analyst in the firm's global technology sector strategy area.
Mr. Dundon previously served as a portfolio manager specializing in North American high-yield securities at Pine River Capital Management. His duties were assumed by new portfolio manager James Musel, said Patrick Clifford, a Pine River spokesman.
Mr. Musel was a portfolio manager at hedge fund manager Castlelake. Molly Schlax, a Castlelake spokeswoman, declined to comment about Mr. Musel's replacement.
Mr. Aylett was managing director and senior research analyst at hedge fund manager Pomelo Capital. Philip J. Rosenstrach, Pomelo's managing member and chief investment officer, did not return a call seeking information about Mr. Aylett's replacement.
Mr. Hertzog was most recently an analyst with portfolio management responsibilities at Putnam Investments. Spokesman Jon Goldstein said his responsibilities were absorbed by the research team.
Advent Capital managed about $8.5 billion as of Dec. 31, with about $600 million invested in two hedge funds and the balance in long-only strategies.