Which returned more over the last year, IGM or IWO?

In the year to Sep 12, 2026, with distributions reinvested, IGM returned +32.7% and IWO returned +17.0%, so IGM returned more. One year is one year; the longer windows are in the table.

Which is cheaper, IGM or IWO?

IGM charges 0.37% a year and IWO charges 0.24%, so IWO is cheaper. Fees come from each fund's prospectus.

How much do IGM and IWO overlap with the S&P 500?

By their latest filed holdings, 92% of IGM and 0% of IWO by weight is stocks the S&P 500 already holds. Between the two funds, 2% of their books are the same securities at the same weight.

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

ETFIQetfiq.com · independent ETF data

IGM vs IWO: how they differ

IGM and IWO hold 2% of their weight in the same names, and IGM returned more over the year.

iShares Expanded Tech Sector ETF and iShares Russell 2000 Growth ETF.

What they hold in common

By the books each fund has filed, IGM and IWO hold 2% of their money in the same securities at the same weight.

Positions IGM and IWO both hold, largest shared weight first
Holding	IGM	IWO
Hut 8 Corp.	0.05%	0.38%
MaxLinear, Inc.	0.05%	0.67%
D-Wave Quantum, Inc.	0.04%	0.53%
Riot Platforms, Inc.	0.04%	0.39%
Core Scientific, Inc.	0.04%	0.42%
Plexus Corp.	0.04%	0.49%
ACM Research, Inc.	0.03%	0.41%
Cipher Digital, Inc.	0.03%	0.50%
InterDigital, Inc.	0.03%	0.45%
Silicon Laboratories, Inc.	0.03%	0.44%
Kulicke & Soffa Industries, Inc.	0.03%	0.42%
Rigetti Computing, Inc.	0.03%	0.37%

Largest positions each one holds and the other does not
Only in IGM	Only in IWO
NVIDIA Corp. 7.97%	Moog, Inc. 0.73%
Apple, Inc. 7.92%	BrightSpring Health Services, Inc. 0.68%
Broadcom, Inc. 7.61%	Argan, Inc. 0.66%
Microsoft Corp. 7.50%	JFrog Ltd. 0.60%
Micron Technology, Inc. 5.47%	Krystal Biotech, Inc. 0.58%
Alphabet, Inc. 4.45%	ESCO Technologies, Inc. 0.56%
Meta Platforms, Inc. 4.17%	FirstCash Holdings, Inc. 0.54%
Advanced Micro Devices, Inc. 4.13%	StoneX Group, 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 Jun 30, 2026.

IGM and IWO on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	IGM iShares Expanded Tech Sector ETF	IWO iShares Russell 2000 Growth ETF
Where it sits	Core index fund	Core index fund
Issuer	iShares	iShares
What it is	Expanded Tech Sector	Russell 2000 Growth
Total return, 1 year	+32.7%	+17.0%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	+15.2 pts	−0.5 pts
Expense ratio	0.37%	0.24%
Already in the S&P 500	92.0%	0.0%
Holdings	295	1133

IGM in plain words

IGM is an index equity fund tracking the Expanded Tech Sector. Over the year to Sep 11, 2026 it returned +32.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.37% 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 295 positions, with the top ten at 55.7%. It sat 5.1% below its high of Jun 2, 2026 on Sep 11, 2026.

IWO in plain words

IWO is an index equity fund tracking the Russell 2000 Growth. Over the year to Sep 11, 2026 it returned +17.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.24% 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 1133 positions, with the top ten at 6.1%. It sat 7.1% below its high of Aug 14, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, IGM or IWO?: In the year to Sep 12, 2026, with distributions reinvested, IGM returned +32.7% and IWO returned +17.0%, so IGM returned more. One year is one year; the longer windows are in the table.
Which is cheaper, IGM or IWO?: IGM charges 0.37% a year and IWO charges 0.24%, so IWO is cheaper. Fees come from each fund's prospectus.
How much do IGM and IWO overlap with the S&P 500?: By their latest filed holdings, 92% of IGM and 0% of IWO by weight is stocks the S&P 500 already holds. Between the two funds, 2% of their books are the same securities at the same weight.

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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.

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

A comparison is not a recommendation. Standards and sources