BNY Mellon Institutional S&P 500 Stock Index Fund Class I (DSPIX) is an open-end mutual fund that seeks to match the total return of the S&P 500 Composite Stock Price Index by normally investing at least 95% of its assets in the common stocks included in the index; it employs a passive management approach to replicate index performance with a targeted correlation of at least 0.95 before expenses. The fund offers Class I shares with a net expense ratio of 0.21%, minimum initial investment of $1,000, and quarterly dividend distributions, primarily qualified dividends and annual long-term capital gains; its portfolio is diversified across large-cap U.S. equities, with top sectors including technology (34.04%), financial services (13.53%), and consumer cyclical (10.43%), and top holdings such as NVIDIA Corp, Microsoft Corp, and Apple Inc representing approximately 26.63% of assets. Launched on September 30, 1993, and domiciled in the United States, the fund is managed by a team at Mellon Investments Corporation, including portfolio managers David France, Todd Frysinger, Vlasta Sheremeta, Michael Stoll, and Marlene Walker-Smith, all since October 26, 2020. As of late 2025, total net assets stand at approximately $1.54 billion, with operations focused on U.S. institutional and intermediary investors through BNY Investments. Recent updates include sustained Morningstar 4-Star ratings across 3-, 5-, and 10-year periods as of November 30, 2025, in the Large Blend category, alongside quarterly dividend payments in 2025 totaling $0.4780 year-to-date and a year-to-date return of 17.10% as of December 15, 2025.