Which returned more over the last year, IWB or MUB?

In the year to Oct 28, 2026, with distributions reinvested, IWB returned +13.1% and MUB −0.4%.

Which is cheaper, IWB or MUB?

MUB is cheaper, by 0.10 percentage points a year. That is about $10 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

IWB vs MUB: Differences, Returns & Fees

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Over the year to Oct 28, 2026, IWB returned +13.1% to MUB's −0.4%; 0% of their weight is in the same names.

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Net assets: $49.1bn on Oct 28, 2026 for iShares Russell 1000 ETF, and $54.1bn on Oct 27, 2026 for iShares National Muni Bond ETF.

IWB on its own →MUB on its own →

At a glance

+13.1%

IWB total return, 1 year

−0.4%

MUB total return, 1 year

0.15%

IWB expense ratio

0.05%

MUB expense ratio

Pair scorecard

MUB costs 0.10 points a year less; their one-year returns differ by 13.5 points; MUB is 1.1 times larger.

IWB vs MUB: Differences, Returns & Fees
Measure	IWB	MUB
Return
Measure	IWB	MUB
Total return, 1 year	+13.1%	−0.4%
Benchmark
Measure	IWB	MUB
What it tracks	Russell 1000 Index	ICE AMT-Free US National Municipal Index
Cost and size
Measure	IWB	MUB
Expense ratio	0.15%	0.05%
Net assets, as of Oct 26, 2026	$48.7bn	$54.1bn
Holdings
Measure	IWB	MUB
Holdings in common	0%
In the S&P 500, by weight	92%
Top ten holdings, share of the fund	35.3%

Holdings in common uses holdings dated Oct 27, 2026. Method

What they share

By the books each fund has filed, IWB and MUB hold 0% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

50%

0 half 100%

half

0% in common

Positions both hold · largest shared weight first IWB MUB

Only in one fund ↓

Only in IWB

NVIDIA 7.15%

APPLE 7.06%

MICROSOFT 5.56%

AMAZON.COM INC 3.46%

ALPHABET CLASS A 2.63%

BROADCOM INC 2.24%

ALPHABET CLASS C 2.12%

META PLATFORMS CLASS A 1.92%

Only in MUB

UNIVERSITY TEX UNIV REVS 0.16%

SAN ANTONIO TEX WTR REV 0.13%

NEW YORK ST TWY AUTH ST PERS I 0.12%

NORTHWEST TEX INDPT SCH DIST 0.12%

OKLAHOMA TRANSN AUTH OK F/K/A 0.12%

HOUSTON TEX HIGHER ED FIN CORP 0.11%

NEW JERSEY ST 0.11%

OHIO ST UNIV GEN RCPTS 0.11%

Check overlap with more funds →

Side by side

IWB iShares Russell 1000 ETF MUB iShares National Muni Bond ETF

Where it sits Stock ETF Bond ETF

Issuer iShares iShares

What it is Tracks the Russell 1000 Tracks an index of National Muni Bond

Total return, 1 year +13.1% −0.4%

Its benchmark over the same days +13.2% (VONE) not measured

Gap to its benchmark −0.1 pts vs VONE not measured

Expense ratio 0.15% 0.05%

Holdings 1025 7873

Net assets, IWB as of Oct 28, 2026 and MUB as of Oct 27, 2026 $49.1bn $54.1bn

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

Alert

About each fund

IWB

IWB tracks the Russell 1000. Over the year to Oct 28, 2026 it returned +13.1% with distributions reinvested, against +13.2% for its benchmark, the Russell 1000 Index. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 27, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1,025 positions, with the top ten at 35.3%.

MUB

MUB tracks an index of National Muni Bond. Over the year to Oct 28, 2026 it returned −0.4% with distributions reinvested. The prospectus expense ratio is 0.05% a year.

Questions people ask

Which returned more over the last year, IWB or MUB?: In the year to Oct 28, 2026, with distributions reinvested, IWB returned +13.1% and MUB −0.4%.
Which is cheaper, IWB or MUB?: MUB is cheaper, by 0.10 percentage points a year. That is about $10 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

IWB vs VTEB HYMB vs IWB BINC vs IWB IWB vs SCHP MUB vs RDVY MUB vs USMV AVUS vs MUB MUB vs QUAL

Where to next

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

Sources and dates

IWB and MUB filings on SEC EDGAR ↗

IWB prospectus with the expense ratio (SEC) ↗

iShares page for IWB ↗

MUB prospectus with the expense ratio (SEC) ↗

iShares page for MUB ↗

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, IWB against MUB, data as of Oct 28, 2026. https://etfiq.com/compare/any/iwb-vs-mub

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