NAPERVILLE, Ill., May 19, 2011 /PRNewswire/ -- Calamos Investments has released monthly portfolio data for April including asset allocation, quality allocation, representative holdings, sector weightings and other fund characteristics for Calamos Convertible Opportunities and Income Fund CHI, Calamos Convertible and High Income Fund CHY, Calamos Strategic Total Return Fund CSQ, Calamos Global Total Return Fund CGO and Calamos Global Dynamic Income Fund CHW.

Portfolio data for each fund can be found on our website at:

www.calamos.com/CHI
www.calamos.com/CHY
www.calamos.com/CSQ
www.calamos.com/CGO
www.calamos.com/CHW

Printed copies can be obtained by calling 800.582.6959.  

About Calamos

Calamos Investments is a globally diversified investment firm offering equity, fixed-income, convertible and alternative investment strategies, among others. The firm serves institutions and individuals around the world via separately managed accounts and a family of open-end and closed-end funds, providing a risk-managed approach to capital appreciation and income- producing strategies. For more information, visit www.calamos.com.

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SOURCE Calamos Investments