Duff & Phelps Utility and Infrastructure Fund Inc is a closed-ended equity mutual fund managed by Duff & Phelps Investment Management Co, launched by Virtus Investment Partners, Inc. The fund focuses on investing in the global utility sector companies across varied market capitalizations. It was previously known as Duff & Phelps Global Utility Income Fund Inc and was formed on July 29, 2011, headquartered in the US.