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MUB · iShares National Muni Bond ETF

MUB tracks the National Muni Bond and returned +0.1% over the past year.

Bond fund · National Muni Bond · data as of

Key facts

+0.1%Total return, 1 year
0.05%Expense ratio
6603Holdings
−3.6%Below its high

Compare MUB

Also against BINC, BITO, BND, BNDX, BOND, BOXX, BSV, BWET, CGBL, CGDV, CGGR, COWZ, CTA, DBMF, DFUS, DGRO, DGRW, DIA, DVY, DYNF, EDV, EEM, EFA, EMB, EMXC, EWJ, EWT, EWY, EWZ, EZU, FBCG, FDVV, FENI, FLKR, FNDX, FTEC, FXI, GARP, GLD, GLDM, GOVT, GRNY, HDV, HGER, HYG, HYMB, IALT, IAU, IBB, IDEV, IEF, IEFA, IEI, IEMG, IGIB, IGM, IGSB, IJH, IJR, IJS, IJT, ILF, INDA, ITOT, IUSB, IVV, IWB, IWC, IWD, IWF, IWM, IWO, IXUS, IYE, IYR, IYW, JAAA, JNK, KRE, LQD, MAGS, MBB, MDY, MGK, MINT, MOAT, MTUM, NOBL, ONEQ, PDBC, PFF, PULS, PVAL, QQQ, QQQM, QUAL, RDVY, RSP, SCHB, SCHD, SCHF, SCHG, SCHH, SCHP, SCHX, SDY, SGOV, SHV, SHY, SIVR, SLV, SPHD, SPHQ, SPLG, SPMO, SPSB, SPY, SPYD, SPYG, TIP, TLT, URTH, USFR, USHY, USMV, USO, VB, VBIL, VBK, VBR, VCIT, VCLT, VCSH, VDC, VDE, VEA, VEU, VGIT, VGK, VGLT, VGSH, VGT, VHT, VIG, VLUE, VNQ, VO, VOE, VONG, VOO, VOOG, VOX, VPL, VPU, VT, VTEB, VTI, VTIP, VTV, VTWO, VUG, VUSB, VWO, VXF, VXUS, VYM, VYMI, XBI, XHB, XLB, XLC, XLE, XLF, XLG, XLI, XLK, XLP, XLRE, XLU, XLV, XLY, XOP, XOVR, XRT.

Period by period

MUB over each window to Sep 11, 2026. Every figure is an ETFIQ calculation. Source: ETFIQ.
WindowTotal returnS&P 500Gap to S&P 500Gap to Nasdaq-100
3 months−2.8%+3.3%−6.1 pts−2.0 pts
6 months−2.2%+16.0%−18.3 pts−22.9 pts
1 year+0.1%+17.5%−17.4 pts−22.9 pts
3 years+7.9%+77.9%−70.0 pts−87.2 pts
Since listing+56.6%+804.4%−747.8 pts−1617.3 pts

In plain words

MUB is a bond fund tracking the National Muni Bond. Over the year to Sep 11, 2026 it returned +0.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.05% a year. It sat 3.6% below its high of Jul 6, 2026 on Sep 11, 2026.

What it tracksNational Muni Bond
Fund typeBond fund
Expense ratio (485BPOS XBRL, Jun 18, 2026)0.05%
Price$103.17
Listed sinceJan 4, 2010
Net assets (SEC filing, whole fund, as filed for May 31, 2026)$45.0bn
Below its high (ETFIQ)−3.6%
Holdings6603
Top ten weight1.4%
Holdings as of (SEC N-PORT)May 31, 2026

Questions people ask

How has MUB performed?
Over the year to Sep 11, 2026, MUB returned +0.1% with distributions reinvested, against +17.5% for the S&P 500. Over three years the figure is +7.9%.
What does MUB cost?
The prospectus expense ratio is 0.05% a year.
How far is MUB below its high?
3.6% below its high of Jul 6, 2026, measured on the reinvested series to Sep 11, 2026.

Where these figures came from

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

Funds near this one

MUB, core index fund, ETFIQ, data as of Sep 11, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. ETFIQ is an independent publisher, is not a fund issuer, broker-dealer or investment adviser, and makes no recommendations.

Cite this page. ETFIQ, MUB, core index fund, data as of Sep 11, 2026. https://etfiq.com/funds/MUB Free to use with attribution; the underlying files are at Open data.

ETFIQ covers leveraged and inverse, thematic, buffer, option-income, core index and spot crypto ETFs. This fund is here because the other funds here are measured against it and portfolios hold it. ETFIQ is an independent publisher and makes no recommendations. Standards and sources