How far is MBB below its high?

3.3% below its high of Feb 27, 2026, measured on the reinvested series to Sep 11, 2026.

ETFIQetfiq.com · independent ETF data

MBB · iShares MBS ETF

MBB tracks the Mbs and returned −0.1% over the past year.

Bond fund · Mbs · data as of Sep 11, 2026

−0.1%Total return, 1 year

0.04%Expense ratio

11144Holdings

−3.3%Below its high

Compare MBB

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, MDY, MGK, MINT, MOAT, MTUM, MUB, 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

MBB over each window to Sep 11, 2026. Every figure is an ETFIQ calculation. Source: ETFIQ.
Window	Total return	S&P 500	Gap to S&P 500	Gap to Nasdaq-100
3 months	−2.1%	+3.3%	−5.4 pts	−1.3 pts
6 months	−1.6%	+16.0%	−17.6 pts	−22.3 pts
1 year	−0.1%	+17.5%	−17.6 pts	−23.1 pts
3 years	+13.8%	+77.9%	−64.1 pts	−81.3 pts
Since listing	+37.6%	+804.4%	−766.8 pts	−1636.3 pts

In plain words

MBB is a bond fund tracking the Mbs. 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 0.04% a year. It sat 3.3% below its high of Feb 27, 2026 on Sep 11, 2026.

What it tracks	Mbs
Fund type	Bond fund
Expense ratio (485BPOS XBRL, Jun 18, 2026)	0.04%
Price	$91.38
Listed since	Jan 4, 2010
Net assets (SEC filing, whole fund, as filed for May 31, 2026)	$38.7bn
Below its high (ETFIQ)	−3.3%
Holdings	11144
Top ten weight	6.9%
Holdings as of (SEC N-PORT)	May 31, 2026

Questions people ask

How has MBB performed?: Over the year to Sep 11, 2026, MBB returned −0.1% with distributions reinvested, against +17.5% for the S&P 500. Over three years the figure is +13.8%.
What does MBB cost?: The prospectus expense ratio is 0.04% a year.
How far is MBB below its high?: 3.3% below its high of Feb 27, 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

MBB, 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, MBB, core index fund, data as of Sep 11, 2026. https://etfiq.com/funds/MBB 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