Funds and ETFs BlackRock MuniHoldings Fund, Inc.

BlackRock MuniHoldings Fund, Inc. (the Fund) is a closed-end management investment company. The Fund's investment objective is to provide shareholders with current income exempt from United States federal income taxes. The seeks to achieve its investment objective by investing primarily in a portfolio of medium- to lower-grade or unrated municipal obligations. The Fund seeks to achieve its investment objective by investing at least 80% of its assets in municipal bonds exempt from United States federal income taxes. The Fund invests at least 75% of its assets in municipal bonds that are rated in the medium to lower rating categories. The Fund may invest directly in such securities or synthetically through the use of derivatives. The Fund invests in various sectors, such as transportation, health, utilities, education, tobacco, corporate, and housing, among others. BlackRock Advisors, LLC is the Fund's investment advisor.