James S. Hamman

Calamos Asset Management, Inc. is an investment management company, which engages in the provision of equity, fixed-income, convertible, and alternative investment strategies. It serves institutions and individuals via separately managed accounts and open-end and closed-end funds. The company was founded by John P. Calamos on July 23, 2004 and is headquartered in Naperville, IL.

Calamos Convertible Opportunities & Income Fund operates as a closed-end investment fund/investment trust. It seeks total return through capital appreciation and current income by investing in a diversified portfolio of convertible securities and high yield fixed income securities. The company was founded on April 17, 2002 and is headquartered in Naperville, IL.

Calamos Convertible & High Income Fund operates as a closed-end investment fund. It seeks total return through capital appreciation and current income by investing in a diversified portfolio of convertible securities and high yield corporate bonds. The company was founded on March 12, 2003 and is headquartered in Naperville, IL.

Part of Calamos Family Partners, Inc., Calamos Financial Services LLC is a company based in Naperville, IL. John Spiro Koudounis has been the CEO of the company since 2016.

Artisan Partners Holdings LP provides investment management services. The company was founded in December 1994 and is headquartered in Milwaukee, WI.

Calamos Investments LLC is a global investment firm headquartered in Naperville, Illinois. The firm was founded by John P. Calamos in 1977 and is a subsidiary of Calamos Partners LLC. Calamos Investments offers a range of global investment solutions through separately managed portfolios, mutual funds, closed-end funds, private funds, and UCITS funds. Their clients include major corporations, pension funds, endowments, foundations and individuals, as well as the financial advisors and consultants who serve them.