MFS Diversified Income Fund (DIFGX) is an open-end mutual fund managed by MFS Investment Management that seeks total return with an emphasis on current income through broad diversification across multiple income-oriented asset classes, active asset allocation, and bottom-up security selection; invests primarily in debt securities including high yield corporates, investment grade corporates, emerging markets debt, U.S. Treasuries, mortgage-backed securities, commercial mortgage-backed securities, collateralized loan obligations, asset-backed securities, municipals, non-U.S. sovereigns, and U.S. government agencies; U.S. and non-U.S. equities with significant allocations to REITs; U.S. convertibles; and cash equivalents, employing derivatives for hedging and efficient portfolio management. The fund, which commenced operations on May 26, 2006, maintains net assets of approximately $1.9 billion as of mid-2025 and operates globally with primary exposure to U.S., European, Japanese, and emerging market securities. DIFGX, a Class R4 share class available to eligible investors with a net expense ratio of 0.64%, distributes monthly income with a recent annualized distribution rate of 6.03% and a 30-day SEC yield of 4.36%. Managed from MFS's headquarters in Boston, Massachusetts—where the firm was founded in 1924—the fund targets retail and institutional investors seeking balanced income and moderate growth. In recent developments, the fund's investment strategy shifted effective June 15, 2021, to include allocations to investment grade quality debt instruments; portfolio manager Geoff Schechter announced his retirement effective September 30, 2025; and parent company MFS entered an agreement in December 2025 to transfer management of £1.5 billion in closed-end funds to Aberdeen Investments through a series of consolidations into larger municipal bond and multi-sector fixed income vehicles.