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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 VTWO: how they differ

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

iShares Core Universal USD Bond ETF and Vanguard Russell 2000 Index Fund.

What they hold in common

By the books each fund has filed, IUSB and VTWO 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 VTWO
United States of America 0.38%Bloom Energy Corp 1.83%
United States of America 0.37%Credo Technology Group Holding Ltd 1.12%
United States of America 0.37%Sterling Infrastructure Inc 0.76%
United States of America 0.37%Fabrinet 0.69%
United States of America 0.36%Nextpower Inc 0.67%
United States of America 0.36%IonQ Inc 0.63%
United States of America 0.36%Coeur Mining Inc 0.58%
United States of America 0.35%TTM Technologies Inc 0.52%

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 and May 31, 2026.

IUSB and VTWO on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
IUSB
iShares Core Universal USD Bond ETF
VTWO
Vanguard Russell 2000 Index Fund
Where it sitsCore index fundCore index fund
IssueriSharesVanguard
What it isCore Universal USD BondRussell 2000
Total return, 1 year−0.3%+21.4%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−17.8 pts+3.9 pts
Expense ratio0.06%0.07%
Holdings178191951

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.

VTWO in plain words

VTWO is an index equity fund tracking the Russell 2000. Over the year to Sep 11, 2026 it returned +21.4% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.07% a year. By its holdings filed for May 31, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1951 positions, with the top ten at 7.8%. It sat 5.3% below its high of Aug 14, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, IUSB or VTWO?
In the year to Sep 12, 2026, with distributions reinvested, IUSB returned −0.3% and VTWO returned +21.4%, so VTWO returned more. One year is one year; the longer windows are in the table.
Which is cheaper, IUSB or VTWO?
IUSB charges 0.06% a year and VTWO charges 0.07%, 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 VTWO, 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 VTWO, data as of Sep 12, 2026. https://etfiq.com/compare/any/IUSB-VTWO Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources