Nuveen Core Impact Bond Fund Retirement (TSBBX)

This fund commits a substantial portion, specifically no less than 80%, of its capital to fixed-income instruments, which broadly encompasses all categories of debt securities. Its primary strategy focuses on deploying assets across a wide array of high-quality (investment-grade) bonds and other fixed-income offerings. Examples of these holdings include U.S. government obligations, corporate debt, taxable municipal bonds, and various types of asset-backed securities, such as those secured by mortgages.