iShares MBS ETF (MBB) ETF
Data as of October 19, 2026
Stockbruh grade: Challenging 0/3 metrics rated Sunny
What does iShares MBS ETF invest in?
The iShares MBS ETF, known by its symbol MBB, is structured to mirror the financial performance of a specific index. This index is made up of premium, mortgage-backed pass-through securities that have been either provided or secured by agencies of the United States government..
Key Numbers
| Metric | Rating | What it means |
|---|
| Returns (5Y CAGR) | ⛅ Moderate | ≥8% = Sunny, 1–8% = Cloudy, <1% = Thunderstorm |
| Dividends | ⛅ Moderate | Dividend yield and consistency |
| Fees (Expense Ratio) | ⛅ Moderate | <0.5% = Sunny, 0.5–1.5% = Cloudy, >1.5% = Thunderstorm |
| Price | $90.27 | Assets Under Management | — |
Common Questions
How have MBB's returns been over the last 5 years?
MBB has delivered moderate 5-year returns (1%–8% CAGR), rated Cloudy on Stockbruh's weather system. Sign up to see the full return history.
Is MBB a good ETF for beginners?
Stockbruh provides a beginner-friendly analysis of MBB covering returns (5Y CAGR), dividend yield, and expense ratio. MBB has moderate fees. Sign up free to see the full weather-rated breakdown.