Managed by BlackRock Advisors, LLC, the BlackRock MuniHoldings Fund, Inc. functions as a closed-end mutual fund specializing in fixed income, originally launched by BlackRock, Inc. Its investment approach centers on the U.S. fixed income sector, with a primary emphasis on acquiring high-quality municipal bonds that are exempt from federal income taxation. A key objective for the fund is to invest in longer-dated securities, typically those with maturities exceeding ten years. This fund, domiciled in the United States, began its operations on May 2, 1997.