The Nuveen Taxable Municipal Income Fund, previously identified as the Nuveen Build America Bond Fund, operates as a closed-end mutual fund concentrated on fixed-income investments. This U.S.-domiciled fund, established by Nuveen Investments, Inc. on December 4, 2009, is jointly overseen by Nuveen Fund Advisors LLC and Nuveen Asset Management, LLC. It primarily allocates capital within the United States' fixed income markets, specifically targeting Build America Bonds, which are taxable municipal securities. A portion of its portfolio may also be directed toward derivative instruments. The fund employs a comprehensive fundamental analysis strategy, integrating both bottom-up and top-down security selection methodologies to construct its holdings. Its investment performance is measured against the Barclays Capital Build America Bond Index.