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Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

IUSB vs MTUM: how they differ

IUSB and MTUM hold 0% of their weight in the same names, and MTUM returned more over the year.

iShares Core Universal USD Bond ETF and iShares MSCI USA Momentum Factor ETF.

What they hold in common

By the books each fund has filed, IUSB and MTUM hold 0% of their money in the same securities at the same weight.

Largest positions each one holds and the other does not
Only in IUSBOnly in MTUM
United States of America 0.38%MICRON TECHNOLOGY, INC. 5.57%
United States of America 0.37%BROADCOM INC. 5.41%
United States of America 0.37%NVIDIA CORPORATION 4.65%
United States of America 0.37%ADVANCED MICRO DEVICES, INC. 4.04%
United States of America 0.36%INTEL CORPORATION 3.84%
United States of America 0.36%JOHNSON & JOHNSON 3.76%
United States of America 0.36%LAM RESEARCH CORPORATION 3.62%
United States of America 0.35%EXXON MOBIL CORPORATION 3.44%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Apr 30, 2026.

IUSB and MTUM on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
IUSB
iShares Core Universal USD Bond ETF
MTUM
iShares MSCI USA Momentum Factor ETF
Where it sitsCore index fundCore index fund
IssueriSharesiShares
What it isCore Universal USD BondMSCI USA Momentum Factor
Total return, 1 year−0.3%+21.8%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−17.8 pts+4.3 pts
Expense ratio0.06%0.15%
Holdings17819125

IUSB in plain words

IUSB is a bond fund tracking the Core Universal USD Bond. Over the year to Sep 11, 2026 it returned −0.3% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.06% a year.

MTUM in plain words

MTUM is an index equity fund tracking the MSCI USA Momentum Factor. Over the year to Sep 11, 2026 it returned +21.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.15% a year. By its holdings filed for Apr 30, 2026, 98% of the fund by weight is stocks the S&P 500 also holds, across 125 positions, with the top ten at 40.5%. It sat 11.1% below its high of Jun 22, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, IUSB or MTUM?
In the year to Sep 12, 2026, with distributions reinvested, IUSB returned −0.3% and MTUM returned +21.8%, so MTUM returned more. One year is one year; the longer windows are in the table.
Which is cheaper, IUSB or MTUM?
IUSB charges 0.06% a year and MTUM charges 0.15%, so IUSB is cheaper. Fees come from each fund's prospectus.

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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.

IUSB against MTUM, ETFIQ, data as of Sep 12, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, IUSB against MTUM, data as of Sep 12, 2026. https://etfiq.com/compare/any/IUSB-MTUM Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources