MUB is the iShares National Muni Bond ETF, a Bonds & Fixed Income ETF issued by BlackRock.

What is the expense ratio of MUB?

Expense ratio data for MUB is shown on the page when available from our data provider.

What are the largest holdings in MUB?

Top holdings include USD CASH, UNIVERSITY TEX UNIV REVS 5.00% 08/15/2036, NEW YORK ST TWY AUTH ST PERS I 5.00% 03/15/2048, SAN ANTONIO TEX WTR REV 05/01/2055, NEW YORK ST DORM AUTH ST PERS 4.00% 02/15/2047.

How can PortView analyze MUB overlap with other ETFs?

PortView computes the holdings overlap between MUB and the other ETFs and stocks you own, plus your combined sector and geographic exposure, so you can see true diversification.

iShares National Muni Bond (MUB) ETF Holdings & Analysis

ETFBonds & Fixed IncomeBlackRock

$104.30-0.03%

1-year price historyRange $104.23 – $108.92

52-week range$104.30

$103.99$109.00

What MUB does

This exchange-traded fund is designed to closely replicate the performance of a designated index, which exclusively comprises high-quality municipal bonds issued across the United States.

Fund profile

Issuer

BlackRock

Top holdings

	Holding	Weight
	USD CASH	0.63%
	UNIVERSITY TEX UNIV REVS 5.00% 08/15/2036	0.18%
	NEW YORK ST TWY AUTH ST PERS I 5.00% 03/15/2048	0.15%
	SAN ANTONIO TEX WTR REV 05/01/2055	0.14%
	NEW YORK ST DORM AUTH ST PERS 4.00% 02/15/2047	0.13%
	HOUSTON TEX HIGHER ED FIN CORP 5.00% 05/15/2034	0.12%
	NEW JERSEY ST 5.00% 06/01/2028	0.12%
	OHIO ST UNIV GEN RCPTS 5.00% 06/01/2035	0.12%
	NORTHWEST TEX INDPT SCH DIST 5.25% 02/15/2055	0.12%
	CALIFORNIA ST 5.00% 09/01/2031	0.12%

Sector allocation

Cash & Others

100.00%

Geographic allocation

Other

100.00%

PortView Portfolio Insights

PortView analyzes how MUB fits your actual portfolio — position weight, ETF overlap with your other funds, sector and geographic exposure, concentration, and how this fund contributes to your portfolio risk and return. Connect a portfolio to see your personalized figures; PortView never shows another user's private holdings.

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Frequently asked questions

What does MUB track?: MUB is the iShares National Muni Bond ETF, a Bonds & Fixed Income ETF issued by BlackRock.
What is the expense ratio of MUB?: Expense ratio data for MUB is shown on the page when available from our data provider.
What are the largest holdings in MUB?: Top holdings include USD CASH, UNIVERSITY TEX UNIV REVS 5.00% 08/15/2036, NEW YORK ST TWY AUTH ST PERS I 5.00% 03/15/2048, SAN ANTONIO TEX WTR REV 05/01/2055, NEW YORK ST DORM AUTH ST PERS 4.00% 02/15/2047.
How can PortView analyze MUB overlap with other ETFs?: PortView computes the holdings overlap between MUB and the other ETFs and stocks you own, plus your combined sector and geographic exposure, so you can see true diversification.

The information provided by PortView is for informational and educational purposes only and does not constitute investment advice. Market data may be delayed. Past performance does not guarantee future results.