Calamos Global Total Return Fund is a closed ended balanced mutual fund launched by Calamos Asset Management Inc. It is managed by Calamos Advisors LLC. The fund invests in the public equity and fixed income markets across the globe. It invests in companies operating across diversified industries. The fund primarily invests in equities, convertible bonds and higher-yielding corporate securities. The fund benchmarks the performance of its portfolio against MSCI World Index. Calamos Global Total Return Fund was formed on October 27, 2005 and is domiciled in the United States.