Growth of $10,000 in MBB
iShares MBS ETF · iShares
A $10,000 investment compounding at MBB’s trailing 10-year annualized total return of 1.2% would reach $12,745 in 20 years. The table shows every combination of averaging period and horizon; returns include dividends and are net of the fund's 0.04% expense ratio. Past performance does not predict future results.
Projection table
| Horizon | At 3-year avg (4.7%) | At 5-year avg (0.3%) | At 10-year avg (1.2%) |
|---|---|---|---|
| 5 years | $12,594 | $10,136 | $10,625 |
| 10 years | $15,860 | $10,273 | $11,289 |
| 15 years | $19,973 | $10,413 | $11,995 |
| 20 years | $25,153 | $10,554 | $12,745 |
| 25 years | $31,677 | $10,697 | $13,541 |
| 30 years | $39,892 | $10,843 | $14,388 |
Annualized total returns as of Aug 7, 2026, dividends reinvested. A constant rate is an illustration of compounding — real markets are far bumpier.
Want a different amount, horizon or a side-by-side fund comparison? Open MBB in the interactive calculator →
Frequently Asked Questions
What would $10,000 in MBB be worth in 10 years?
Compounding at its trailing 10-year annualized return of 1.2%, $10,000 in MBB would grow to about $11,289 in 10 years and $12,745 in 20 years. Real returns arrive unevenly, so treat this as an illustration of compounding, not a forecast.
What is MBB's average annual return?
As of Aug 7, 2026, MBB's annualized total returns were 4.7% over 3 years, 0.3% over 5 years, 1.2% over 10 years — dividends reinvested, net of its 0.04% expense ratio.