IWY vs VUG: Differences, Returns & Fees

IWY and VUG hold 76% of their weight in the same names, and VUG returned +10.2% over the year. Net assets: $15.8bn on Oct 20, 2026 for iShares Russell Top 200 Growth ETF, and $232.9bn on Sep 30, 2026 for Vanguard Morningstar Growth ETF.

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Answers cite the figures on this page.

VUG costs 0.17 points a year less; their one-year returns differ by 5.5 points; VUG is 14.2 times larger.

IWY vs VUG: Differences, Returns & Fees
IWYVUG
Expense ratio0.20%0.03%
Net assets, as of Sep 30, 2026$16.4bn$232.9bn
Total return, 1 year+4.7%+10.2%
What it tracksRussell Top 200 Growth IndexMorningstar US Large Cap Growth Index
Holdings in common76%
Top ten holdings, share of the fund60.9%63.1%
Below its high5.2%, high on Oct 6, 20264.3%, high on Oct 6, 2026

Holdings in common uses holdings dated Sep 30, 2026 and Oct 19, 2026.

+4.7%
IWY total return, 1 year
+10.2%
VUG total return, 1 year
0.20%
IWY expense ratio
0.03%
VUG expense ratio

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Client brief · page 1 of 2Report BR-F67E19FF69

IWY and VUG are built for the same job. How do they differ in cost, holdings and results?

  1. What each follows. IWY follows Russell Top 200 Growth Index and VUG follows Morningstar US Large Cap Growth Index.
  2. One-year total return. Over 1 year to Oct 20, 2026 IWY returned +4.7% and VUG +10.2% with distributions reinvested, a gap of 5.5 points.
  3. Cost. IWY charges 0.20% of assets a year and VUG 0.03%, a gap of 0.17 points.

Data as of Oct 20, 2026. The differences are picked by a fixed rule, in a fixed order; the PDF prints it. Page 2 has the returns, overlap, risks and sources.

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What they hold in common

By the books each fund has filed, IWY and VUG hold 76% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 19, 2026.

half

76% in common

Positions both hold, largest shared weight first
Holding IWY VUG
NVIDIA 15.02% 13.49%
APPLE 8.32% 12.51%
MICROSOFT 6.34% 9.74%
ALPHABET CLASS A 6.07% 5.16%
BROADCOM INC 5.08% 4.34%
META PLATFORMS CLASS A 4.35% 4.23%
ALPHABET CLASS C 4.89% 4.09%
ADVANCED MICRO DEVICES 3.10% 2.66%
TESLA INC 3.78% 2.65%
ELI LILLY 3.55% 2.60%
VISA CLASS A 2.51% 1.59%
MASTERCARD CLASS A 1.83% 1.16%
Only in IWY
MICRON TECHNOLOGY 3.54%
CATERPILLAR INC 1.21%
HOME DEPOT 0.84%
AMGEN INC 0.60%
LOCKHEED MARTIN CORP 0.41%
MCKESSON CORP 0.41%
TRANE TECHNOLOGIES PLC 0.38%
SPOTIFY TECHNOLOGY 0.30%
Only in VUG
Intel Corp 1.45%
Seagate Technology Holdings PLC 0.58%
Welltower Inc 0.46%
Vertex Pharmaceuticals Inc 0.37%
Cloudflare Inc 0.33%
Snowflake Inc 0.32%
Equinix Inc 0.29%
Datadog Inc 0.28%

Check overlap with more funds →

On the same fields

IWY
iShares Russell Top 200 Growth ETF
VUG
Vanguard Morningstar Growth ETF
Where it sits Stock ETF Stock ETF
What it is Tracks an index Tracks an index of US growth
Total return, 1 year +4.7% +10.2%
Its benchmark over the same days +15.0% (IWV) not measured
Gap to its benchmark −10.4 pts vs IWV not measured
Expense ratio 0.20% 0.03%
Already in the S&P 500 98.8% 97.3%
Holdings 102 137
Net assets, IWY as of Oct 20, 2026 and VUG as of Sep 30, 2026 $15.8bn $232.9bn

IWY and VUG on the fields both publish, as of Oct 20, 2026. Source: ETFIQ.

About IWY

IWY tracks an index. The prospectus expense ratio is 0.20% a year. By its holdings published by its issuer for Oct 19, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 102 positions, with the top ten at 60.9%. It sat 5.2% below its high of Oct 6, 2026 on Oct 20, 2026.

Over the year to Oct 20, 2026 it returned +4.7% with distributions reinvested, against +15.0% for its benchmark, the Russell 3000 Index.

About VUG

VUG tracks an index of US growth. Over the year to Oct 20, 2026 it returned +10.2% with distributions reinvested. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer as of Sep 30, 2026, 97% of the fund by weight is stocks the S&P 500 also holds, across 137 positions, with the top ten at 63.1%. It sat 4.3% below its high of Oct 6, 2026 on Oct 20, 2026.

Questions people ask

Which returned more over the last year, IWY or VUG?
In the year to Oct 20, 2026, with distributions reinvested, IWY returned +4.7% and VUG +10.2%.
Which is cheaper, IWY or VUG?
VUG is cheaper, by 0.17 percentage points a year. That is about $17 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IWY and VUG overlap with the S&P 500?
By their latest filed holdings, 99% of IWY and 97% of VUG by weight is stocks the S&P 500 already holds.
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ETFIQ, IWY against VUG, data as of Oct 20, 2026. https://etfiq.com/compare/any/iwy-vs-vug

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