Which returned more over the last year, MBB or VTEB?

In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and VTEB −0.4%.

Which is cheaper, MBB or VTEB?

VTEB is cheaper, by 0.01 percentage points a year. That is about $1 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

MBB vs VTEB: Differences, Returns & Fees

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MBB's duration was 5.7 years on Aug 31, 2026 and VTEB's 7.1 on Jul 31, 2026; VTEB charges 0.03% to MBB's 0.04%.

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Net assets: $35.5bn on Oct 28, 2026 for iShares MBS ETF, and $49.6bn on Sep 30, 2026 for Vanguard Tax-Exempt Bond ETF.

MBB on its own →VTEB on its own →

At a glance

−0.8%

MBB total return, 1 year

−0.4%

VTEB total return, 1 year

0.04%

MBB expense ratio

0.03%

VTEB expense ratio

Pair scorecard

VTEB costs 0.01 points a year less; their one-year returns differ by 0.4 points; VTEB is 1.4 times larger.

MBB vs VTEB: Differences, Returns & Fees
Measure	MBB	VTEB
Return
Measure	MBB	VTEB
Total return, 1 year	−0.8%	−0.4%
Benchmark
Measure	MBB	VTEB
What it tracks	Bloomberg U.S. MBS Index	S&P National AMT-Free Municipal Bond Index
Cost and size
Measure	MBB	VTEB
Expense ratio	0.04%	0.03%
Net assets, as of Sep 30, 2026	$36.2bn	$49.6bn
Holdings
Measure	MBB	VTEB
Holdings in common	0%

Holdings in common uses holdings dated Jul 31, 2026 and Aug 31, 2026. Method

What they share

By the books each fund has filed, MBB and VTEB hold 0% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Aug 31, 2026.

50%

0 half 100%

half

0% in common

Positions both hold · largest shared weight first MBB VTEB

Only in one fund ↓

Only in MBB

Ginnie Mae, due Sep 1, 2056 1.05%

Freddie Mac Pool, due May 1, 2051 0.98%

Uniform Mortgage-Backed Security, TBA, due Sep 1, 2056 0.85%

Uniform Mortgage-Backed Security, TBA, due Sep 1, 2056 0.70%

Ginnie Mae, due Sep 1, 2056 0.53%

Ginnie Mae II Pool, due Nov 20, 2054 0.51%

Ginnie Mae II Pool, due Oct 20, 2051 0.51%

Ginnie Mae II Pool, due Dec 20, 2051 0.50%

Only in VTEB

NEW YORK CITY-F-1-REF, due Aug 1, 2034 0.12%

CA REGENTS UNIV-CD, due May 15, 2036 0.11%

IDAHO ST-TANS, due Jun 30, 2027 0.10%

CA REF, due Aug 1, 2032 0.10%

MARYLAND ST-GROUP 2, due Jun 1, 2038 0.09%

NY ST THRUWAY AUTH-A, due Sep 15, 2035 0.09%

TRIBOROUGH BRIDGE-A-1, due Feb 1, 2028 0.09%

DALLAS ISD-B, due Feb 15, 2056 0.08%

Check overlap with more funds →

Side by side

MBB iShares MBS ETF VTEB Vanguard Tax-Exempt Bond ETF

Where it sits Bond ETF Bond ETF

Issuer iShares Vanguard

What it is Tracks an index of mortgage-backed securities Tracks an index of Tax-Exempt Bond

Total return, 1 year −0.8% −0.4%

Its benchmark over the same days −1.1% (SPMB) not measured

Gap to its benchmark +0.3 pts vs SPMB not measured

Expense ratio 0.04% 0.03%

Holdings 10813 11155

Net assets, MBB as of Oct 28, 2026 and VTEB as of Sep 30, 2026 $35.5bn $49.6bn

MBB and VTEB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Alert

About each fund

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.

VTEB

VTEB tracks an index of Tax-Exempt Bond. Over the year to Oct 28, 2026 it returned −0.4% with distributions reinvested. The prospectus expense ratio is 0.03% a year.

Questions people ask

Which returned more over the last year, MBB or VTEB?: In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and VTEB −0.4%.
Which is cheaper, MBB or VTEB?: VTEB is cheaper, by 0.01 percentage points a year. That is about $1 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

MBB vs MUB HYMB vs MBB IUSB vs MBB MBB vs VCIT TLT vs VTEB BIL vs VTEB IGSB vs VTEB SHV vs VTEB

Where to next

MBB on its own →VTEB on its own →Hold both: look the portfolio through →Rankings →MBB dividend history →MBB holdings →VTEB dividend history →VTEB holdings →Standards and sources →

Sources and dates

MBB filings on SEC EDGAR ↗

MBB prospectus with the expense ratio (SEC) ↗

iShares page for MBB ↗

VTEB filings on SEC EDGAR ↗

VTEB prospectus with the expense ratio (SEC) ↗

Vanguard page for VTEB ↗

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 VTEB, data as of Oct 28, 2026. https://etfiq.com/compare/any/mbb-vs-vteb

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.