Which returned more over the last year, IWM or SPLG?

In the year to Sep 12, 2026, with distributions reinvested, IWM returned +21.2% and SPLG returned +17.6%, so IWM 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

IWM vs SPLG: how they differ

IWM and SPLG are both equity index funds, and over the year IWM returned more, +21.2% against +17.6%.

iShares Russell 2000 ETF and S&P 500, book from IVV.

IWM and SPLG on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	IWM iShares Russell 2000 ETF	SPLG S&P 500, book from IVV
Where it sits	Core index fund	Core index fund
Issuer	iShares	S&P
What it is	Russell 2000	S&P 500, book from IVV
Total return, 1 year	+21.2%	+17.6%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	+3.7 pts	+0.1 pts
Expense ratio	0.19%	not published
Holdings	2014	not filed

IWM in plain words

IWM is an index equity fund tracking the Russell 2000. Over the year to Sep 11, 2026 it returned +21.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.19% a year. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 2014 positions, with the top ten at 3.4%. It sat 5.3% below its high of Aug 14, 2026 on Sep 11, 2026.

SPLG in plain words

SPLG is an index equity fund tracking the S&P 500. Over the year to Sep 11, 2026 it returned +17.6% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100.

Questions people ask

Which returned more over the last year, IWM or SPLG?: In the year to Sep 12, 2026, with distributions reinvested, IWM returned +21.2% and SPLG returned +17.6%, so IWM returned more. One year is one year; the longer windows are in the table.

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Where these figures came from

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

A comparison is not a recommendation. Standards and sources