Duff Phelps Utility and Infrastructure Fund Inc is a closedended equity mutual fund launched by Virtus Investment Partners Inc The fund is managed by Duff Phelps Investment Management Co It invests in the public equity markets across the globe The fund seeks to invest in the companies operating in utility sector It invests in stocks of companies across diversified market capitalizations The fund was formerly known as Duff Phelps Global Utility Income Fund Inc Duff Phelps Utility and Infrastructure Fund Inc was formed on July 29 2011 and is domiciled in the United States