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

In the year to Sep 12, 2026, with distributions reinvested, IWB returned +16.7% 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 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

IWB vs IWC: how they differ

IWB and IWC are both equity index funds, and over the year IWC returned more, +31.3% against +16.7%.

iShares Russell 1000 ETF and iShares Micro-Cap ETF.

IWB and IWC on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	IWB iShares Russell 1000 ETF	IWC iShares Micro-Cap ETF
Where it sits	Core index fund	Core index fund
Issuer	iShares	iShares
What it is	Russell 1000	Russell Microcap
Total return, 1 year	+16.7%	+31.3%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−0.8 pts	+13.8 pts
Expense ratio	0.15%	not published
Holdings	1024	not filed

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%.

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. 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, IWB or IWC?: In the year to Sep 12, 2026, with distributions reinvested, IWB returned +16.7% 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.

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

A comparison is not a recommendation. Standards and sources