BlackRock Advantage Large Cap Core Fund Investor A Shares (MDLRX) is an open-end mutual fund that seeks long-term capital growth by investing at least 80% of its assets in equity securities or other financial instruments that are components of, or have market capitalizations similar to, the securities included in the Russell 1000 Index; it employs a blend style with a focus on large-cap U.S. stocks across sectors including technology (31.61%), financial services (13.71%), healthcare (11.98%), consumer cyclical (11.91%), and communication services (9.41%). The fund offers Investor A shares with a front-end load of 5.25%, a net expense ratio of 0.73%, and a minimum initial investment of $1,000; top holdings include NVIDIA Corporation (8.06%), Apple Inc. (6.80%), Microsoft Corporation (6.63%), Amazon.com Inc. (4.99%), and Alphabet Inc. (4.95%). Managed by Raffaele Savi, Travis Cooke, and Richard Mathieson since June 2017, it maintains a portfolio of approximately 97 holdings with 99.72% in U.S. stocks and total net assets of $3.17 billion. Launched on December 22, 1999, and domiciled in the United States, the fund is available for sale primarily to U.S. investors through BlackRock, with no ESG investment strategy. As of mid-2025, the fund reports strong performance with a one-year total return of 17.48% and assets under management reflecting steady growth amid market volatility.