Fidelity Flex 500 Index Fund (FDFIX)

The Fidelity Flex 500 Index Fund is a passively managed mutual fund designed to closely track the performance of the S&P 500 Index, which represents the largest publicly traded companies in the United States. Launched in 2017, the fund seeks to deliver results corresponding to the total return—encompassing both capital appreciation and income—of the S&P 500. As a large blend fund, it invests predominantly in a diversified mix of growth and value stocks from major sectors such as technology, healthcare, financial services, and consumer discretionary. With over 500 holdings, the fund closely mirrors the sector and company weightings of its benchmark, with approximately one-third of its assets concentrated in its top ten holdings, including prominent names like Apple, Microsoft, and NVIDIA. The Fidelity Flex 500 Index Fund is notable for its extremely low expense ratio, making it cost-efficient compared to peers. Its low portfolio turnover further emphasizes its index-tracking approach. Overall, the fund serves as a foundational component in diversified portfolios, offering broad exposure to the U.S. large-cap equity market and reflecting the performance of established, market-leading companies.