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

In the year to Oct 28, 2026, with distributions reinvested, IGM returned +21.7% and IWO +7.9%.

Which is cheaper, IGM or IWO?

IWO is cheaper, by 0.13 percentage points a year. That is about $13 on $10,000 held for a year. 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.

Data as of Oct 28, 2026.

Across categories

IGM vs IWO: Differences, Returns & Fees

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Over the year to Oct 28, 2026, IGM returned +21.7% to IWO's +7.9%; 1% of their weight is in the same names.

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Net assets on Oct 27, 2026: $11.0bn for iShares Expanded Tech Sector ETF and $14.0bn for iShares Russell 2000 Growth ETF.

IGM on its own →IWO on its own →

At a glance

+21.7%

IGM total return, 1 year

+7.9%

IWO total return, 1 year

0.37%

IGM expense ratio

0.24%

IWO expense ratio

Pair scorecard

IWO costs 0.13 points a year less; their one-year returns differ by 13.8 points; IWO is 1.3 times larger.

IGM vs IWO: Differences, Returns & Fees
Measure	IGM	IWO
Return
Measure	IGM	IWO
Total return, 1 year	+21.7%	+7.9%
Drawdown
Measure	IGM	IWO
Below its high	6.2%, high on Oct 6, 2026	9.9%, high on Aug 14, 2026
Benchmark
Measure	IGM	IWO
What it tracks	S&P North American Expanded Technology Sector Index	Russell 2000 Growth Index
Cost and size
Measure	IGM	IWO
Expense ratio	0.37%	0.24%
Net assets, as of Oct 27, 2026	$11.0bn	$14.0bn
Holdings
Measure	IGM	IWO
Holdings in common	1%
Top ten holdings, share of the fund	56.8%	6.4%

Holdings in common uses holdings dated Oct 27, 2026. Method

What they share

By the books each fund has filed, IGM and IWO hold 1% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

50%

0 half 100%

half

1% in common

Positions both hold · largest shared weight first IGM IWO

INTERDIGITAL INC 0.04% 0.58%

QUALYS 0.04% 0.55%

ACI WORLDWIDE 0.03% 0.38%

BOX INC CLASS A 0.03% 0.32%

COMMVAULT SYSTEMS 0.03% 0.49%

HUT CORP 0.03% 0.25%

MAXLINEAR 0.03% 0.44%

NOVANTA 0.03% 0.36%

PLEXUS CORP 0.03% 0.42%

SILICON LABORATORIES 0.03% 0.49%

VARONIS SYSTEMS 0.03% 0.38%

ZETA GLOBAL HOLDINGS CLASS A 0.03% 0.51%

Only in one fund ↓

Only in IGM

APPLE 9.36%

MICROSOFT 9.19%

NVIDIA 8.28%

BROADCOM INC 7.07%

ALPHABET CLASS A 4.57%

META PLATFORMS CLASS A 4.27%

ADVANCED MICRO DEVICES 4.16%

MICRON TECHNOLOGY 4.07%

Only in IWO

JFROG 0.74%

TWIST BIOSCIENCE 0.71%

GLAUKOS 0.70%

MOOG INC CLASS A 0.68%

BRIGHTSPRING HEALTH SERVICES INC 0.66%

10X GENOMICS CLASS A 0.61%

RYMAN HOSPITALITY PROPERTIES REIT 0.60%

PROTAGONIST THERAPEUTICS 0.58%

Check overlap with more funds →

Side by side

IGM iShares Expanded Tech Sector ETF IWO iShares Russell 2000 Growth ETF

Where it sits Stock ETF Stock ETF

Issuer iShares iShares

What it is Tracks an index of Expanded Tech Sector Tracks the Russell 2000 Growth

Total return, 1 year +21.7% +7.9%

Its benchmark over the same days not measured +8.0% (VTWG)

Gap to its benchmark not measured −0.1 pts vs VTWG

Expense ratio 0.37% 0.24%

Already in the S&P 500 91.9% 0.0%

Holdings 295 1122

Net assets, as of Oct 27, 2026 $11.0bn $14.0bn

IGM and IWO on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Alert

About each fund

IGM

IGM tracks an index of Expanded Tech Sector. Over the year to Oct 28, 2026 it returned +21.7% with distributions reinvested. The prospectus expense ratio is 0.37% a year. By its holdings published by its issuer for Oct 27, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 295 positions, with the top ten at 56.8%. It sat 6.2% below its high of Oct 6, 2026 on Oct 28, 2026.

IWO

IWO tracks the Russell 2000 Growth. Over the year to Oct 28, 2026 it returned +7.9% with distributions reinvested, against +8.0% for its benchmark, the Russell 2000 Growth Index. The prospectus expense ratio is 0.24% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1,122 positions, with the top ten at 6.4%. It sat 9.9% below its high of Aug 14, 2026 on Oct 28, 2026.

Questions people ask

Which returned more over the last year, IGM or IWO?: In the year to Oct 28, 2026, with distributions reinvested, IGM returned +21.7% and IWO +7.9%.
Which is cheaper, IGM or IWO?: IWO is cheaper, by 0.13 percentage points a year. That is about $13 on $10,000 held for a year. 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.

Other comparisons

IGM vs VBK IGM vs IJH IGM vs IWF IGM vs MOAT IWO vs IYW IWO vs XLK IWO vs VGT FTEC vs IWO

Where to next

IGM on its own →IWO on its own →Hold both: look the portfolio through →Rankings →IGM dividend history →IGM holdings →IWO dividend history →IWO holdings →Standards and sources →

Sources and dates

IGM and IWO filings on SEC EDGAR ↗

IGM and IWO prospectus with the expense ratio (SEC) ↗

iShares page for IGM ↗

iShares page for IWO ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

ETFIQ, IGM against IWO, data as of Oct 28, 2026. https://etfiq.com/compare/any/igm-vs-iwo

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.