SPDR S&P 500 ETF Trust
AGG NYSE
iShares Core U.S. Aggregate Bond ETF · by BlackRock
The iShares Core U.S. Aggregate Bond ETF tracks the Bloomberg U.S. Aggregate Bond Index, providing total U.S. investment-grade bond market exposure.
What is AGG?
iShares Core U.S. Aggregate Bond ETF (AGG) tracks the Bloomberg U.S. Aggregate Bond Index, the most widely used U.S. bond benchmark. It provides broad exposure to the investment-grade U.S. bond market including treasuries, corporate bonds, and mortgage-backed securities.
Bond Sector Allocation
- U.S. Treasury: 40.2%
- Mortgage-Backed Securities: 25.5%
- Investment-Grade Corporate: 22.8%
- Government-Related: 5.2%
- Asset-Backed: 3.5%
- CMBS: 1.8%
- Sovereign (USD): 1.0%
Credit Quality
- AAA: 70.2%
- AA: 2.8%
- A: 11.5%
- BBB: 15.5%
AGG vs BND
AGG and BND track nearly identical indices and have very similar holdings. AGG (0.03%) and BND (0.03%) both charge the same low expense ratio. The main difference is that BND has more assets and slightly broader sampling. Performance is virtually identical — choose whichever your brokerage offers commission-free.
Maturity Distribution
- 1-3 years: 18.5%
- 3-5 years: 16.2%
- 5-7 years: 14.8%
- 7-10 years: 20.5%
- 10-20 years: 15.2%
- 20+ years: 14.8%
Top holdings
Every holding links to its own page with a live price and the full list of funds that own it.
| # | Holding | Ticker | Sector | Weight | Price |
|---|---|---|---|---|---|
| 1 | FNMA 4.0% MBS | FNMA | Mortgage-Backed | 3.20% | — |
| 2 | U.S. Treasury 2.875% 2032 | UST | Government | 2.80% | — |
| 3 | GNMA 3.5% MBS | GNMA | Mortgage-Backed | 2.50% | — |
| 4 | Apple Inc. | AAPL | Technology | 0.50% | $314.58 0.36% |
| 5 | Microsoft Corp. | MSFT | Technology | 0.40% | $505.06 1.75% |
| 6 | Amazon.com | AMZN | Consumer Discretionary | 0.30% | $256.26 -1.54% |
| 7 | JPMorgan Chase | JPM | Financials | 0.30% | $354.22 -0.64% |
| 8 | Goldman Sachs 3.75% 2028 | GS | Corporate | 0.30% | $1,040.87 0.04% |
Frequently asked questions
AGG vs BND which is better?
Both are excellent and nearly identical. Choose based on your brokerage preference — BlackRock/iShares or Vanguard.
Is AGG safe?
AGG holds investment-grade bonds and is considered low-risk, though bond prices can decline when interest rates rise.
Compare with similar ETFs
Invesco QQQ Trust
Vanguard S&P 500 ETF
Vanguard Total Stock Market ETF
iShares Core UK Gilts UCITS ETF
Schwab U.S. Dividend Equity ETF
AGG discussion
Questions on fair value, cost, dividends and risk — answered with the fund data on this page.
What is the fair value of AGG in 2026?
AGG price prediction 2026: what actually drives it?
Does AGG pay a dividend, and how reliable is the yield?
Is AGG a good long-term hold, or too concentrated?
Ask a question about AGG
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