Fidelity Advisor Materials Fund Class A (FMFAX) is an open-end mutual fund managed by Fidelity Investments that seeks capital appreciation by investing primarily in common stocks of companies principally engaged in the manufacture, mining, processing, or distribution of raw materials and intermediate goods; it normally invests at least 80% of assets in securities of such materials sector companies, including domestic and foreign issuers across sub-sectors like chemicals, metals and mining, construction materials, and paper products; the fund employs fundamental analysis of issuers' financial condition, industry position, and market and economic conditions and is classified as non-diversified. As of late 2025, top holdings include Linde PLC (15.62%), Ecolab Inc. (8.31%), CRH PLC (4.95%), Newmont Corporation (4.92%), and Mosaic Co. (4.73%), representing 38.53% of the portfolio, with asset allocation heavily weighted toward U.S. stocks (88.02%), non-U.S. stocks (10.92%), and cash (1.06%), and sector exposure dominated by basic materials (91.78%). Launched on December 12, 2006, and domiciled in the United States, the fund is available for sale primarily in the U.S. market to retail and institutional investors seeking exposure to the natural resources sector, with a net expense ratio of 0.99%, a front-end load of 5.75%, and total net assets of approximately $693 million. Fidelity Investments, headquartered in Boston, Massachusetts and founded in 1946 as Fidelity Management & Research, serves as the investment manager. Recent major changes include the appointment of Boris Shepov as co-portfolio manager on December 10, 2024, alongside Ashley Fernandes who joined on April 1, 2022; the fund continues active management without reported acquisitions, mergers, or new product launches specific to FMFAX in the last 1-2 years.