Calamos Global Total Return Fund is a closed ended balanced mutual fund launched by Calamos Investments LLC. It is managed by Calamos Advisors LLC. The fund invests in public equity and fixed income markets across the globe. It seeks to invest in securities of companies operating across diversified sectors. The fund primarily invests in equities, convertible bonds, and high yield corporate bonds. It employs both fundamental and quantitative analysis to create its portfolio. The fund benchmarks the performance of its portfolio against MSCI World Index. Calamos Global Total Return Fund was formed on March 30, 2004 and is domiciled in the United States.