Data as of Oct 28, 2026.
MBB vs VHT: Differences, Returns & Fees
Over the year to Oct 28, 2026, MBB returned −0.8% to VHT's +25.0%; 0% of their weight is in the same names.
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Net assets: $35.5bn on Oct 28, 2026 for iShares MBS ETF, and $19.1bn on Sep 30, 2026 for Vanguard Health Care ETF.
Pair scorecard
MBB costs 0.05 points a year less; their one-year returns differ by 25.8 points; MBB is 1.9 times larger.
| Measure | MBB | VHT |
|---|---|---|
| Return | ||
| Total return, 1 year | −0.8% | +25.0% |
| Benchmark | ||
| What it tracks | Bloomberg U.S. MBS Index | MSCI US Investable Market Index (IMI)/Health Care 25/50 |
| Cost and size | ||
| Expense ratio | 0.04% | 0.09% |
| Net assets, as of Sep 30, 2026 | $36.2bn | $19.1bn |
| Holdings | ||
| Holdings in common | 0% | |
| In the S&P 500, by weight | 86% | |
| Top ten holdings, share of the fund | 51.8% | |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
What they share
By the books each fund has filed, MBB and VHT hold 0% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
MBB and VHT 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.
VHT
VHT tracks an index of Health Care. Over the year to Oct 28, 2026 it returned +25.0% with distributions reinvested, against +25.4% for its benchmark, the MSCI US Investable Market Index (IMI)/Health Care 25/50. The prospectus expense ratio is 0.09% a year. By its holdings published by its issuer as of Sep 30, 2026, 86% of the fund by weight is stocks the S&P 500 also holds, across 414 positions, with the top ten at 51.8%.
Questions people ask
- Which returned more over the last year, MBB or VHT?
- In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and VHT +25.0%.
- Which is cheaper, MBB or VHT?
- MBB is cheaper, by 0.05 percentage points a year. That is about $5 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.
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ETFIQ, MBB against VHT, data as of Oct 28, 2026. https://etfiq.com/compare/any/mbb-vs-vht
ETFIQ. (Oct 28, 2026). MBB against VHT. Retrieved from https://etfiq.com/compare/any/mbb-vs-vht
[MBB against VHT (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/mbb-vs-vht)
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