Strategy. Normally investing at least 80% of its assets in equity securities of companies that Fidelity Management & Research Company LLC (FMR) (the Adviser) believes are working to: (i)extend and/or improve life expectancy, enhance health and wellness in people's lives, and/or (ii)mitigate environmental impacts affecting health and wellness, in each case through the products, services, or technology they provide. Such companies include those that (i)attribute 50% or more of their revenues to products focused on disease treatment, health care access, nutrition, fitness and wearables, clean emissions, dwelling-related property and casualty insurance, life and health insurance, or retirement financial security, or (ii)with respect to seeking to mitigate environmental impacts, those that are contained in the MSCI World Health & Wellness Select Index. … Show more… Normally investing at least 80% of its assets in equity securities of companies that Fidelity Management & Research Company LLC (FMR) (the Adviser) believes are working to: (i)extend and/or improve life expectancy, enhance health and wellness in people's lives, and/or (ii)mitigate environmental impacts affecting health and wellness, in each case through the products, services, or technology they provide. Such companies include those that (i)attribute 50% or more of their revenues to products focused on disease treatment, health care access, nutrition, fitness and wearables, clean emissions, dwelling-related property and casualty insurance, life and health insurance, or retirement financial security, or (ii)with respect to seeking to mitigate environmental impacts, those that are contained in the MSCI World Health & Wellness Select Index. Equity securities represent an ownership interest, or the right to acquire an ownership interest, in an issuer. Equity securities include common stocks (including depositary receipts evidencing ownership of common stock), preferred stocks and other preferred securities, convertible securities, rights and warrants, and other securities, such as hybrid securities and trust preferred securities, believed to have equity-like characteristics. Effective December 11, 2025, derivative instruments that provide investment exposure to the investments above or exposure to one or more market risk factors associated with such investments are included in the fund's 80% policy, consistent with the fund's investment policies and limitations with respect to investments in derivatives. Investing in securities of domestic and foreign issuers.Using fundamental analysis of factors such as each issuer's financial condition and industry position, as well as market and economic conditions, to select investments.Employing sustainable investing exclusion criteria to avoid investments in issuers that are directly engaged in, and/or derive significant revenue from, certain industries. Please see "Fund Basics - Investment Details - Sustainable Investing Exclusions" for additional information. Show less