iShares Core U.S. Aggregate Bond

    AGG ·NYSEARCA
    Loading chart...
    The iShares Core U.S. Aggregate Bond ETF (the “Fund”) seeks to track the investment results of an index composed of the total U.S. investment-grade bond market.

    Investment Strategy

    The Fund seeks to track the investment results of the Bloomberg U.S. Aggregate Bond Index (the “Underlying Index”), which measures the performance of the total U.S. investment-grade (as determined by Bloomberg Index Services Limited (the “Index Provider” or “Bloomberg”)) bond market. As of February 28, 2025, there were 13,723 issues in the Underlying Index.

    Fees & Expenses

    Net Expense Ratio0.03%
    Management Fee0.03%
    Portfolio Turnover81%

    Reported Performance

    Average annual returns as reported in the fund's most recent prospectus. Past performance does not guarantee future results.

    1-Year Return1.37%
    5-Year Avg Annual0.34%
    10-Year Avg Annual1.31%

    Holdings

    13186 positions as of 2026-02-28. Total net assets: $141,223,150,177. Expense ratio: 0.03%. 100.0% of value is in positions not matched to an entity we track (typically bonds, derivatives, or foreign securities). Source: SEC N-PORT-P filing.

    Top 10 holdings

    Name Ticker Weight Value
    BlackRock Cash Funds: Treasury, SL Agency Shares 3.19% $4,509,857,373
    BlackRock Cash Funds: Treasury, SL Agency Shares 0.52% $735,747,492
    U.S. Treasury Notes 0.46% $654,629,202
    U.S. Treasury Notes 0.43% $603,609,938
    U.S. Treasury Notes 0.42% $599,056,430
    U.S. Treasury Notes 0.42% $596,615,095
    U.S. Treasury Notes 0.42% $595,329,805
    U.S. Treasury Notes 0.41% $584,319,844
    U.S. Treasury Notes 0.41% $584,191,290
    U.S. Treasury Notes 0.41% $572,844,230

    Country

    CountryWeight
    United States 96.5%
    Canada 1.0%
    Other / Supranational 1.0%
    United Kingdom 0.8%
    Japan 0.5%
    Mexico 0.3%
    Germany 0.2%
    Netherlands 0.2%
    Australia 0.2%
    Ireland 0.1%
    Philippines 0.1%
    Spain 0.1%
    Singapore 0.1%
    Indonesia 0.1%
    South Korea 0.1%
    Other 0.9%
    Total 102.2%

    Region

    RegionWeight
    Americas 98.2%
    Europe 1.8%
    Asia-Pacific 1.1%
    Other 1.0%
    Middle East & Africa 0.1%
    Total 102.2%

    Market classification

    MarketWeight
    Developed 100.0%
    Other 1.3%
    Emerging 0.9%
    Total 102.2%

    Asset class

    ClassWeight
    Debt 73.1%
    ABS-mortgage-backed 25.0%
    Short-term investment 3.7%
    ABS-other 0.4%
    Total 102.2%

    Issuer type

    TypeWeight
    US Treasury 45.5%
    Corporate 24.9%
    US Govt Sponsored Enterprise 18.9%
    US Govt Agency 5.6%
    Registered fund 3.7%
    NUSS 2.3%
    Municipal 0.4%
    Unknown 0.8%
    Total 102.2%

    Maturity

    MaturityWeight
    Under 1 year 0.9%
    1-3 years 20.0%
    3-5 years 16.7%
    5-10 years 18.5%
    Over 10 years 42.3%
    No expiry 3.7%
    Total 102.2%

    Loading holders...

    Held by

    holders ( registered funds via N-PORT, institutional investors via 13F). Showing top by dollar value.

    Holder Type ETF MF Position ($) % of holder Δ % of holder Holder AUM