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

In the year to Oct 9, 2026, with distributions reinvested, MUB returned −2.0% and TAFM −2.1%.

Which is cheaper, MUB or TAFM?

MUB is cheaper, by 0.23 percentage points a year. That is about $23 on $10,000 held for a year. Fees come from each fund's prospectus.

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MUB vs TAFM: Differences, Returns & Fees

On May 31, 2026 MUB's duration was 6.3 years and TAFM's 6.4; MUB charges 0.05% to TAFM's 0.28%. Net assets: $48.9bn on Oct 9, 2026 for iShares National Muni Bond ETF, and $1.0bn on Oct 8, 2026 for AB Tax-Aware Intermediate Municipal ETF.

MUB costs 0.23 points a year less; their one-year returns differ by 0.1 points; MUB is far larger, $48.2bn against $1.0bn.

	MUB	TAFM
Expense ratio	0.05%	0.28%
Net assets, as of Oct 8, 2026	$48.2bn	$1.0bn
Total return, 1 year	−2.0%	−2.1%
What it tracks	ICE AMT-Free US National Municipal Index	No index, actively managed
Holdings in common	1%
Below its high	5.3%, high on Jul 6, 2026	5.6%, high on Jul 6, 2026

Holdings in common uses holdings dated May 31, 2026.

−2.0%

MUB total return, 1 year

−2.1%

TAFM total return, 1 year

0.05%

MUB expense ratio

0.28%

TAFM expense ratio

What they hold in common

By the books each fund has filed, MUB and TAFM hold 1% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated May 31, 2026.

50%

half

1% in common

Positions both hold, largest shared weight first

Holding MUB TAFM

Chicago Transit Authority Sales Tax Receipts Fund, Series 2024A, due Dec 1, 2049 0.11% 0.59%

North Texas Tollway Authority, Series 2008D, due Jan 1, 2033 0.07% 0.13%

City of Los Angeles, due Jun 25, 2026 0.06% 0.16%

Metropolitan Transportation Authority, Series 2024B, due Nov 15, 2039 0.06% 0.06%

Grand Parkway Transportation Corp., Series 2020C, due Oct 1, 2045 0.05% 0.39%

Long Island Power Authority, Series 2024A, due Sep 1, 2049 0.05% 0.17%

Triborough Bridge & Tunnel Authority Sales Tax, Series 2024A-1, due May 15, 2064 0.04% 0.17%

City of Chicago, Series 2024B, due Jan 1, 2034 0.03% 0.17%

Washington Metropolitan Area Transit Authority, Series 2024A, due Jul 15, 2059 0.03% 0.30%

County of Cuyahoga, Series 2026, due Dec 1, 2061 0.03% 0.17%

County of Miami-Dade Water & Sewer System, Series 2025A, due Oct 1, 2055 0.03% 0.34%

City of New York, Series 2026A, Sub-Series A-1, due Aug 1, 2046 0.03% 0.17%

Only in MUB

Board of Regents of the University of Texas System, Series 2025B, due Aug 15, 2036 0.19%

New York State Thruway Authority, Series 2022A, due Mar 15, 2048 0.15%

San Antonio Water System, Series 2025D, due May 1, 2055 0.14%

Triborough Bridge & Tunnel Authority, Series 2005B-2, due Jan 1, 2032 0.14%

New York City Transitional Finance Authority Future Tax Secured, Series 2019C-4, due Nov 1, 2044 0.13%

New York State Dormitory Authority, Series 2019D, due Feb 15, 2047 0.13%

Ohio State University (The), Series 2026A, due Jun 1, 2035 0.13%

Houston Higher Education Finance Corp., Series 2024, due May 15, 2034 0.13%

Only in TAFM

MARYLAND ST ECON DEV CORP PRIV ACTIVITY REVENUE, due Jun 30, 2055 0.74%

BROWARD CNTY FL SCH DIST, due Jun 25, 2026 0.69%

KENTUCKY ST PUBLIC ENERGY AUTH GAS SPLY REVENUE, due May 1, 2036 0.61%

PUBLIC FIN AUTH WI TOLL REVENUE, due Jun 30, 2060 0.57%

CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REVENUE, due Aug 1, 2055 0.54%

VAIL CO COPS, due Dec 1, 2064 0.52%

NEW YORK ST TRANSPRTN DEV CORP SPL FAC REVENUE, due Jun 30, 2059 0.52%

FEDERAL HOME LOAN MTGE CORP MF VARIABLE RATE CTFS, due Aug 25, 2041 0.49%

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On the same fields

MUB

iShares National Muni Bond ETF

TAFM

AB Tax-Aware Intermediate Municipal ETF

Where it sits Bond ETF Bond ETF

Issuer iShares AllianceBernstein

What it is Tracks an index of National Muni Bond Actively managed

Total return, 1 year −2.0% −2.1%

S&P 500 over the same days +17.3% +17.3%

Gap to the S&P 500 −19.3 pts −19.4 pts

Expense ratio 0.05% 0.28%

Holdings 7448 564

Net assets, MUB as of Oct 9, 2026 and TAFM as of Oct 8, 2026 $48.9bn $1.0bn

MUB and TAFM on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.

MUB in plain words

MUB tracks an index of National Muni Bond. Over the year to Oct 9, 2026 it returned −2.0% with distributions reinvested. The prospectus expense ratio is 0.05% a year. It sat 5.3% below its high of Jul 6, 2026 on Oct 9, 2026.

TAFM in plain words

TAFM is actively managed and tracks no index. Over the year to Oct 9, 2026 it returned −2.1% with distributions reinvested. The prospectus expense ratio is 0.28% a year. It sat 5.6% below its high of Jul 6, 2026 on Oct 9, 2026.

Questions people ask

Which returned more over the last year, MUB or TAFM?: In the year to Oct 9, 2026, with distributions reinvested, MUB returned −2.0% and TAFM −2.1%.
Which is cheaper, MUB or TAFM?: MUB is cheaper, by 0.23 percentage points a year. That is about $23 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

FMB vs MUB MUB vs VCRM MUB vs SCMB MUB vs PZA TAFM vs VTEB JMUB vs TAFM PZA vs TAFM SCMB vs TAFM

MUB on its own →TAFM on its own →Hold both: look the portfolio through →Rankings →Standards and sources →

Where these figures came from

MUB filings on SEC EDGAR ↗MUB prospectus with the expense ratio (SEC) ↗iShares page for MUB ↗TAFM filings on SEC EDGAR ↗TAFM prospectus with the expense ratio (SEC) ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. 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, MUB against TAFM, data as of Oct 9, 2026. https://etfiq.com/compare/any/mub-vs-tafm

Open data

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