Duff & Phelps Utility and Infrastructure Fund Inc is a closed-ended 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.

Abrdn Asia-Pacific Income Fund Inc is a close ended fixed income mutual fund launched and managed by Aberdeen Standard Investments (Asia) Limited. It is co-managed by Aberdeen Standard Investments Australia Limited and Aberdeen Asset Managers Limited. The fund invests in fixed income markets of Asia, Australia, and New Zeland. It primarily invests in debt securities issued by governmental entities, banks, companies, and other entities. Abrdn Asia-Pacific Income Fund Inc was formed on March 14, 1986 and is domiciled in the United States.

Calamos Dynamic Convertible and Income Fund is a closed ended fixed income mutual fund launched by Calamos Investments LLC. It is managed by Calamos Advisors LLC. The fund invests in the fixed income markets of the United States. It primarily invests in a portfolio of convertible securities, investment grade and below investment grade bonds, loans, equity-linked notes, and floating rate securities. The fund also invests through derivatives such as options. It employs fundamental analysis with a top-down global macroeconomic approach to create its portfolio. Calamos Dynamic Convertible and Income Fund was formed on March 11, 2014 and is domiciled in the United States.

Calamos Convertible Opportunities and Income Fund is a closed ended fixed income mutual fund launched by Calamos Investments LLC. It is managed by Calamos Advisors LLC. The fund invests in the fixed income markets of the United States. It primarily invests in a diversified portfolio of convertible securities and high yield corporate bonds rated Ba or lower by Moody's or BB or lower by Standard & Poor's. The fund employs both fundamental and quantitative analysis with a focus on such factors as financial soundness, ability to make interest and dividend payments, earnings and cash-flow forecast, and quality of management to create its portfolio. Calamos Convertible Opportunities and Income Fund was formed on April 17, 2002 and is domiciled in the United States.