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IBMUvsVMBSETF Comparison

ETF 1

IBMU

iShares iBonds Dec 2032 Term Muni Bond ETF

This fund is part of

Municipal Bonds

+0.15%

Full IBMU fund page

VS

ETF 2

VMBS

Vanguard Mortgage-Backed Securities ETF

This fund is part of

MBS & ABS

-0.16%

Full VMBS fund page

iShares iBonds Dec 2032 Term Muni Bond ETF (IBMU) belongs to the Municipal Bonds segment. Vanguard Mortgage-Backed Securities ETF (VMBS) is part of the MBS & ABS segment. IBMU's top 2 sector exposures are Municipal and Non-Corporate. In contrast, VMBS's top sector exposures are Industrials, Finance and Government Agencies. IBMU is more expensive with a Total Expense Ratio (TER) of 0.1%, versus 0.03% for VMBS. Run a side-by-side ETF comparison of IBMU and VMBS below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

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IBMU vs VMBS performance and flow charts

Performance

Cumulative Flows

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 09/11/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	IBMU VMBS	-1.86%-1.40%	-2.03%-2.05%	n/a-1.70%	n/a-0.45%	n/a+13.54%	n/a-0.35%
Flows	IBMU VMBS	+$4M+$326M	+$11M+$689M	-+$1.43B	-+$1.32B	--$727M	-+$3.08B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	IBMU VMBS	+2.74%+4.35%	n/a+3.86%	n/a+5.50%	n/a+6.45%
Max drawdown	IBMU VMBS	-2.65%-2.55%	n/a-3.66%	n/a-5.47%	n/a-16.91%
Max drawdown duration	IBMU VMBS	67d74d	n/a194d	n/a75d	n/a1459d

Trading data

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	IBMU	VMBS
Last sale 9/14/2026 at 5:37 PM		$45.34
Previous close 09/11/2026		$45.32
Consolidated volume 09/11/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of August 31, 2026

1-year trailing difference

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	IBMU	VMBS
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 9/14/2026 at 5:37 PM

Live

Closed

	IBMU	VMBS
Last price	–	$45.34
1D performance	–	+0.04%
AuM	$18.44 M	$15.68 B
E/R	0.1%	0.03%

Characteristics

	IBMU	VMBS
Management strategy	Passive	Passive
Provider	iShares	Vanguard
Benchmark	S&P AMT-Free Municipal Series Callable-Adjusted 2032 Index	Bloomberg U.S. MBS Float Adjusted Index
N° of holdings	102	701
Asset class	-	Bonds
Trailing 12m distribution yield	Join	Join
Inception date	March 25, 2026	November 19, 2009
ESG	No	No

More IBMU data on Trackinsight

More VMBS data on Trackinsight

Exposure

Countries

IBMU

USA

25.74%

Other

74.26%

VMBS

USA

26.52%

Other

73.48%

Sectors

IBMU

Municipal

25.45%

Other

74.55%

VMBS

Industrials

26.09%

Other

73.91%

Diversification

IBMU

Total weight of top 15 holdings out of 15

10.43%

VMBS

Total weight of top 15 holdings out of 15

3.98%

Top 15 holdings

Data as of July 31, 2026

IBMU

US54641CBJ36

0.98%

US30382ANK42

0.82%

US60412AYF47

0.81%

University of Texas, 5% 15aug2034, USD (2023A)

0.81%

US546417JN78

0.73%

US386442ZP50

0.72%

US717893Y470

0.64%

New York Dormitory Authority, 4% 15mar2035, USD (2022A)

0.64%

US677523PB29

0.62%

US93974EWB81

0.61%

US469487VQ20

0.61%

US546585WY25

0.61%

US64613CBV90

0.61%

US746189C318

0.60%

US932889PR36

0.60%

VMBS

US21H0526861

0.38%

G2 MB0025, 5% 20nov2054, USD (ABS)

0.29%

US3618N56H72

0.29%

US01F0506927

0.28%

US3618N6K636

0.27%

US3140Y9B864

0.27%

US3618N6BE68

0.27%

G2 MB0024, 4.5% 20nov2054, USD (ABS)

0.26%

US3132E0TL66

0.25%

US3142J6DY61

0.25%

US3618N6HU47

0.24%

FR SD8146, 2% 1may2051, USD (ABS)

0.24%

US3618N6FL65

0.23%

US3142J6C840

0.23%

FR RQ0056, 5.5% 1oct2055, USD (ABS)

0.22%

Frequently asked questions about IBMU and VMBS

Which ETF is bigger: IBMU or VMBS?

As of September 11, 2026, IBMU holds $18.44 M in assets under management (AUM), while VMBS manages $15.68 B.

What sectors do the IBMU and VMBS ETFs invest in?

IBMU leans toward sectors like Municipal. Meanwhile, VMBS focuses on Industrials.

What are the top holdings of the IBMU ETF and VMBS ETF?

IBMU top holdings include US54641CBJ36, US30382ANK42 and US60412AYF47. VMBS holds in its top three: US21H0526861, G2 MB0025, 5% 20nov2054, USD (ABS) and US3618N56H72.

IBMUvsVMBSETF Comparison

iShares iBonds Dec 2032 Term Muni Bond ETF

Vanguard Mortgage-Backed Securities ETF

IBMU vs VMBS performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

Which ETF is bigger: IBMU or VMBS?

As of September 11, 2026, IBMU holds $18.44 M in assets under management (AUM), while VMBS manages $15.68 B.

What sectors do the IBMU and VMBS ETFs invest in?

IBMU leans toward sectors like Municipal. Meanwhile, VMBS focuses on Industrials.

What are the top holdings of the IBMU ETF and VMBS ETF?

IBMU top holdings include US54641CBJ36, US30382ANK42 and US60412AYF47. VMBS holds in its top three: US21H0526861, G2 MB0025, 5% 20nov2054, USD (ABS) and US3618N56H72.

Which ETF is more diversified: IBMU or VMBS?

IBMU holds 417 securities with 10.43% of its assets in the top 15. VMBS has 5140 securities and a top 15 weight of 3.98%.

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