Data as of Oct 28, 2026.
MBB vs SHV: Differences, Returns & Fees
On Aug 31, 2026 MBB's duration was 5.7 years and SHV's 0.3; MBB charges 0.04% to SHV's 0.15%.
askIQ about this page
askIQ about MBB and SHVNet assets: $35.5bn on Oct 28, 2026 for iShares MBS ETF, and $21.7bn on Oct 27, 2026 for iShares 0-1 Year Treasury Bond ETF.
Pair scorecard
MBB costs 0.11 points a year less; their one-year returns differ by 4.4 points; MBB is 1.6 times larger.
| Measure | MBB | SHV |
|---|---|---|
| Return | ||
| Total return, 1 year | −0.8% | +3.6% |
| Benchmark | ||
| What it tracks | Bloomberg U.S. MBS Index | ICE Short US Treasury Securities Index |
| Cost and size | ||
| Expense ratio | 0.04% | 0.15% |
| Net assets, as of Oct 26, 2026 | $35.6bn | $22.2bn |
| Holdings | ||
| Holdings in common | 0% | |
Holdings in common uses holdings dated Aug 31, 2026. Method
What they share
By the books each fund has filed, MBB and SHV hold 0% of their money in the same securities at the same weight. Holdings dated Aug 31, 2026.
half
0% in common
Only in one fund ↓
Side by side
MBB and SHV on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
MBB
MBB tracks an index of mortgage-backed securities. Over the year to Oct 28, 2026 it returned −0.8% with distributions reinvested, against −1.1% for its benchmark, the Bloomberg U.S. MBS Index. The prospectus expense ratio is 0.04% a year.
SHV
SHV tracks an index of 0-1 Year Treasury Bond. Over the year to Oct 28, 2026 it returned +3.6% with distributions reinvested. The prospectus expense ratio is 0.15% a year.
Questions people ask
- Which returned more over the last year, MBB or SHV?
- In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and SHV +3.6%.
- Which is cheaper, MBB or SHV?
- MBB is cheaper, by 0.11 percentage points a year. That is about $11 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
Cite this pageCitation, APA and Markdown
ETFIQ, MBB against SHV, data as of Oct 28, 2026. https://etfiq.com/compare/any/mbb-vs-shv
ETFIQ. (Oct 28, 2026). MBB against SHV. Retrieved from https://etfiq.com/compare/any/mbb-vs-shv
[MBB against SHV (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/mbb-vs-shv)
Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.