iShares MBS ETFMBB
Type
ETF
Peer group
Taxable bond
Net assets
$39.8B
Expense ratio
0.04%
1-year return
+3.1%
3 years, a year
+4.6%
5 years, a year
+0.2%
12-month yield
4.50%
Holdings
11,153
What it aims to do.
The iShares MBS ETF (the Fund ) seeks to track the investment results of an index composed of investment-grade, mortgage-backed pass-through securities issued and/or guaranteed by U.S. government agencies.
Top 10 holdings.
| Holding | % of fund |
|---|---|
| Blackrock Cash Funds | 5.90% |
| Freddie Mac | 1.07% |
| Government National Mortgage Association | 1.00% |
| Umbs, Tba | 0.57% |
| Government National Mortgage Association | 0.56% |
| Government National Mortgage Association | 0.55% |
| Fannie Mae | 0.53% |
| Government National Mortgage Association | 0.53% |
| Freddie Mac | 0.51% |
| Umbs, Tba | 0.50% |
More on MBB.
- MBB overview
- MBB holdings
- MBB risk
- MBB costs
- MBB money in and out
- MBB share classes
- Compare MBB with other funds
Returns after fees, from the fund's SEC filings up to Aug 2026. Past returns are not a promise. Not financial advice.