Data as of Oct 28, 2026.
MBB vs VNQ: Differences, Returns & Fees
Over the year to Oct 28, 2026, MBB returned −0.8% to VNQ's +4.8%; 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 $35.9bn on Sep 30, 2026 for Vanguard Real Estate ETF.
Pair scorecard
MBB costs 0.09 points a year less; their one-year returns differ by 5.6 points.
| Measure | MBB | VNQ |
|---|---|---|
| Return | ||
| Total return, 1 year | −0.8% | +4.8% |
| Drawdown | ||
| Below its high | 8.3%, high on Jul 28, 2026 | |
| Benchmark | ||
| What it tracks | Bloomberg U.S. MBS Index | MSCI US Investable Market Real Estate 25/50 Index |
| Cost and size | ||
| Expense ratio | 0.04% | 0.13% |
| Net assets, as of Sep 30, 2026 | $36.2bn | $35.9bn |
| Holdings | ||
| Holdings in common | 0% | |
| In the S&P 500, by weight | 63% | |
| Top ten holdings, share of the fund | 55.8% | |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
Risk and return
Mar 23, 2007 to Oct 23, 2026 · 1,022 weekly returnsVNQ returned more: +158.3% to +63.4%. MBB swung less: 4.2% to 25.9%. MBB fell less at its worst: −17.4% to −71.1%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | MBB | VNQ | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +63.4% | +158.3% | VNQ | Price change plus distributions, reinvested. |
| Annualized | +2.5% | +4.9% | VNQ | Total return as a yearly rate. |
| Price return | −9.6% | +14.1% | VNQ | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 4.2% | 25.9% | MBB | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 2.9% | 18.0% | MBB | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −17.4% | −71.1% | MBB | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.24 | 0.26 | VNQ (slight) | Return above Treasury bills per unit of volatility. |
| Sortino | 0.35 | 0.37 | VNQ (slight) | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.15 | 0.07 | MBB | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 1,022 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, MBB and VNQ 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 VNQ on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
MBB and VNQ do different jobs. What does each one do in a portfolio?
- What each follows. MBB follows Bloomberg U.S. MBS Index and VNQ follows MSCI US Investable Market Real Estate 25/50 Index.
- Holdings in common. 0% of the weight is in the same securities (holdings dated Oct 27, 2026 and Sep 30, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 MBB returned −0.8% and VNQ +4.8% with distributions reinvested, a gap of 5.6 points.
Data as of Oct 28, 2026.
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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.
VNQ
VNQ tracks an index of US real estate. Over the year to Oct 28, 2026 it returned +4.8% with distributions reinvested. The prospectus expense ratio is 0.13% a year. By its holdings published by its issuer as of Sep 30, 2026, 63% of the fund by weight is stocks the S&P 500 also holds, across 141 positions, with the top ten at 55.8%. It sat 8.3% below its high of Jul 28, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, MBB or VNQ?
- In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and VNQ +4.8%.
- Which is cheaper, MBB or VNQ?
- MBB is cheaper, by 0.09 percentage points a year. That is about $9 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 VNQ, data as of Oct 28, 2026. https://etfiq.com/compare/any/mbb-vs-vnq
ETFIQ. (Oct 28, 2026). MBB against VNQ. Retrieved from https://etfiq.com/compare/any/mbb-vs-vnq
[MBB against VNQ (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/mbb-vs-vnq)
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