Get the weekly note

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

ETFIQetfiq.com · independent ETF data

IWB vs VUSB: how they differ

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

iShares Russell 1000 ETF and Vanguard Ultra-Short Bond ETF.

What they hold in common

By the books each fund has filed, IWB and VUSB 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 IWBOnly in VUSB
NVIDIA CORPORATION 6.73%United States Treasury Bill 4.24%
APPLE INC. 6.03%United States Treasury Note/Bond 0.68%
MICROSOFT CORPORATION 4.00%PNC Financial Services Group Inc/The 0.59%
AMAZON.COM, INC. 3.33%United States Treasury Note/Bond 0.53%
ALPHABET INC. 3.00%Regions Bank/Birmingham AL 0.52%
BROADCOM INC. 2.54%US Bancorp 0.51%
ALPHABET INC. 2.42%Charles Schwab Corp/The 0.50%
MICRON TECHNOLOGY, INC. 1.88%Truist Bank 0.45%

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 Jun 30, 2026.

IWB and VUSB on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
IWB
iShares Russell 1000 ETF
VUSB
Vanguard Ultra-Short Bond ETF
Where it sitsCore index fundCore index fund
IssueriSharesVanguard
What it isRussell 1000Ultra-Short Bond
Total return, 1 year+16.7%+3.7%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−0.8 pts−13.8 pts
Expense ratio0.15%0.10%
Holdings10241281

IWB in plain words

IWB is an index equity fund tracking the Russell 1000. Over the year to Sep 11, 2026 it returned +16.7% 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 Jun 30, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1024 positions, with the top ten at 33.5%.

VUSB in plain words

VUSB is a cash and treasury bills tracking the Ultra-Short Bond. Over the year to Sep 11, 2026 it returned +3.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.10% a year.

Questions people ask

Which returned more over the last year, IWB or VUSB?
In the year to Sep 12, 2026, with distributions reinvested, IWB returned +16.7% and VUSB returned +3.7%, so IWB returned more. One year is one year; the longer windows are in the table.
Which is cheaper, IWB or VUSB?
IWB charges 0.15% a year and VUSB charges 0.10%, so VUSB is cheaper. Fees come from each fund's prospectus.

Other comparisons

Where to next

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.

IWB against VUSB, 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, IWB against VUSB, data as of Sep 12, 2026. https://etfiq.com/compare/any/IWB-VUSB Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources