The Cohen & Steers Closed-End Opportunity Fund, Inc. is a closed-end fund of funds, launched by Cohen & Steers Inc. and managed by Cohen & Steers Capital Management, Inc. The fund's strategy involves investing in other funds that primarily focus on public equity markets. Additionally, it allocates capital to funds specializing in a diverse range of securities and sectors, including convertibles, preferred shares, high-yield debt, as well as real estate, energy, utility, and various other equity or income-generating strategies. To construct its portfolio, the fund seeks out undervalued opportunities among funds with a market capitalization typically above $200 million. It employs a systematic quantitative analysis approach, complemented by proprietary in-house research, to identify these investments across diversified sectors. The fund's performance is benchmarked against both the S&P 500 Index and the Morningstar U.S. All Taxable Ex-Foreign Equity Index. Established on September 14, 2006, the fund is registered and operates within the United States.