Which returned more over the last year, IUSB or IWC?

In the year to Sep 13, 2026, with distributions reinvested, IUSB returned −0.3% and IWC returned +31.3%, so IWC returned more. One year is one year; the longer windows are in the table.

Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

IUSB vs IWC: how they differ

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

iShares Core Universal USD Bond ETF and iShares Micro-Cap ETF.

What they hold in common

By the books each fund has filed, IUSB and IWC 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 IUSB	Only in IWC
United States of America 0.38%	CAREDX 0.61%
United States of America 0.37%	SELLAS LIFE SCIENCES GROUP INC 0.60%
United States of America 0.37%	NURIX THERAPEUTICS 0.59%
United States of America 0.37%	PENGUIN SOLUTIONS INC 0.58%
United States of America 0.36%	OUSTER 0.52%
United States of America 0.36%	VIRIDIAN THERAPEUTICS ORS 0.48%
United States of America 0.36%	INTERFACE 0.47%
United States of America 0.35%	MBX BIOSCIENCES 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 Apr 30, 2026 and Sep 10, 2026.

IUSB and IWC on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
	IUSB iShares Core Universal USD Bond ETF	IWC iShares Micro-Cap ETF
Where it sits	Core index fund	Core index fund
Issuer	iShares	iShares
What it is	Core Universal USD Bond	Russell Microcap
Total return, 1 year	−0.3%	+31.3%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−17.8 pts	+13.8 pts
Expense ratio	0.06%	not published
Holdings	17819	1252

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.

IWC in plain words

IWC is an index equity fund tracking the Russell Microcap. Over the year to Sep 11, 2026 it returned +31.3% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. By its holdings filed for Sep 10, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1252 positions, with the top ten at 5.1%. It sat 5.0% below its high of Aug 14, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, IUSB or IWC?: In the year to Sep 13, 2026, with distributions reinvested, IUSB returned −0.3% and IWC returned +31.3%, so IWC returned more. One year is one year; the longer windows are in the table.

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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 IWC, ETFIQ, data as of Sep 13, 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 IWC, data as of Sep 13, 2026. https://etfiq.com/compare/any/iusb-vs-iwc Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources