Fidelity U.S. Bond Index Fund
FXNAX
NASDAQ- -
USD
- -
- -
Capital Structure
FRC
•
in mil. unless spec.Working Capital
FRC
•
in mil. unless spec.Growth Rates
FRC
•
in mil. unless spec.Quarterly Revenue
FRC
•
in mil. unless spec.Quarterly Earnings Per Share
FRC
•
in mil. unless spec.Quarterly Dividends Per Share
FRC
•
in mil. unless spec.- Sector
- Financial Services
- Industry
- Asset Management - Bonds
- Address
- 245 Summer Street Boston MA United States of America 02210
- IPO Date
- May 4, 2011
- CIK
- 0000035315
- Website
- fundresearch.fidelity.com
- Similar Companies
- Business
- Fidelity U.S. Bond Index Fund (FXNAX) is a mutual fund managed by Fidelity Investments that seeks to provide investment results corresponding to the aggregate price and interest performance of the debt securities in the Bloomberg U.S. Aggregate Bond Index. The fund normally invests at least 80% of its assets in bonds included in the index, employing statistical sampling techniques based on duration, maturity, interest rate sensitivity, security structure, and credit quality to replicate index returns using a representative smaller number of securities; it also invests in Fidelity's central funds to enhance efficiency. Core holdings emphasize U.S. investment-grade fixed income securities, including U.S. Treasury notes and bonds (such as United States Treasury Notes 3.5%, 1.5%, 2.75%, and 2.625%), mortgage-backed securities (such as Federal Home Loan Mortgage Corp. 2% and Ginnie Mae 3.5% 30 Year), and agency obligations from issuers like Fannie Mae, with the top 10 holdings comprising approximately 8.66% of the portfolio and total assets exceeding $68 billion as of late 2025. Launched on March 8, 1990, with its Institutional Premium Class (FXNAX) introduced in 2011, the fund operates within the intermediate core bond category, targeting retail and institutional investors seeking broad exposure to the U.S. investment-grade bond market, including government, corporate, and securitized debt. Fidelity Investments, the fund's manager and parent company founded in 1946, maintains its global headquarters at 245 Summer Street in Boston, Massachusetts, and oversees operations primarily in the United States. The fund maintains a low expense ratio of 0.020%, no minimum initial investment, and features high credit quality with moderate interest rate sensitivity and an effective duration of approximately 5.90 years. It distributes income monthly, with a trailing twelve-month yield of 3.54%, and exhibits a portfolio turnover rate of 45%. In recent years, the fund has experienced steady asset growth amid fluctuating bond markets, benefiting from declining yields and tightening credit spreads in late 2025, though no major acquisitions, partnerships, new product launches, or strategic reorganizations specific to FXNAX have been reported within the last 1-2 years.