iShares Core U.S. Aggregate Bond ETF Tops $136.5 B AUM with 3.88% Yield
AGG holds $136.5 billion in assets under management, charges a 0.03% expense ratio and offers a 3.88% dividend yield with a 3.2% one-year return. Its 13,067-holding investment-grade bond portfolio comprises 74% AA-rated securities and registered a five-year max drawdown of -17.83%.
1. Fund Overview and Recent Performance
The iShares Core U.S. Aggregate Bond ETF (AGG) is a 22-year-old fund tracking the broad U.S. investment-grade bond market, with total net assets of $136.5 billion. As of January 24, 2026, AGG delivered a one-year total return of 3.2% and has added roughly 7% in market value since the end of 2024. Its five-year maximum drawdown stands at –17.83%, with a $1,000 investment five years ago growing to $857 today, underscoring both the fund’s resilience and the bond market’s rebound from its 2022 lows.
2. Cost Structure and Income Profile
AGG maintains an ultra-low expense ratio of 0.03%, matching the cheapest in its category. The fund currently yields 3.88% in annual dividends, paid monthly, which translates into roughly $388 in income on every $10,000 invested. Investors benefit from the combination of negligible drag on returns and consistent monthly distributions, making AGG a cost-efficient choice for income-focused portfolios.
3. Portfolio Composition and Credit Quality
AGG holds 13,067 individual bonds across government, corporate and mortgage-backed securities, providing extensive diversification. Approximately 74% of its holdings carry an AA credit rating, the second-highest grade available, while another 20% are rated AAA. Duration sits near 6.5 years, and the fund’s beta versus the S&P 500 is 0.27, indicating low sensitivity to equity market swings. This high quality mix balances yield potential against default risk.
4. Key Investor Considerations
AGG’s broad exposure makes it a core fixed-income holding for both taxable and tax-advantaged accounts. Its sizeable asset base and average daily trading volume of over 8 million shares ensure tight bid-ask spreads and high liquidity. While the fund’s low volatility and strong credit profile suit conservative allocations, the modest yield edge over comparable Treasury-only strategies should be weighed against potential interest rate headwinds in a rising-rate environment.