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A growth ETF is not one standardized investment: it typically tracks an index that selects stocks classified as growth. The S&P 500, by contrast, is a broad large-cap index. To compare the approaches, use a specific pair such as iShares S&P 500 Growth ETF (IVW) and iShares Core S&P 500 ETF (IVV), then line up the benchmark, time period, costs, and risk measures. Historical results can show how the funds behaved over a stated period; they cannot establish which will perform better next.
What is the difference between a growth ETF and an S&P 500 ETF?
An S&P 500 ETF aims to track the S&P 500, an index of large U.S. companies weighted by float-adjusted market value. A growth ETF targets stocks that meet a growth index’s criteria. IVW tracks the S&P 500 Growth Index; its stated approach selects companies using characteristics that include above-average earnings and revenue growth.
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The distinction is about the index being tracked, not a guarantee that every growth ETF owns the same stocks or behaves the same way. For example, iShares Russell 1000 Growth ETF (IWF) tracks the Russell 1000 Growth Index, a different index family from IVW’s S&P 500 Growth benchmark. Check a fund’s benchmark methodology before comparing performance or holdings.
Example funds and reported expense ratios
| Fund | Benchmark or style | Expense ratio |
|---|---|---|
| IVW | S&P 500 Growth Index | 0.18% (BlackRock listing, August 31, 2026) |
| IVV | S&P 500 | 0.03% (BlackRock listing, August 31, 2026) |
| VOOG | S&P 500 Growth | 0.07% (Vanguard listing, August 31, 2026) |
| VOO | S&P 500 | 0.03% (Vanguard listing, August 31, 2026) |
These are reported fund expense ratios, not a complete measure of what an investor may pay. Trading costs and taxes can also affect an investor’s outcome. Fees and fund details can change, so confirm the current figure on the issuer’s page or in the prospectus. See BlackRock’s IVW fund page, BlackRock’s IVV listing, and Vanguard’s ETF listings.
Do growth ETFs outperform the S&P 500?
There is no permanent winner. A meaningful comparison needs the same start and end dates, distributions treated consistently, and a clearly stated return basis—such as NAV total return or market-price return. A figure for one fund through one date cannot be fairly compared with another fund’s figure from a different period.
BlackRock reported IVW year-to-date NAV total return of 17.09% through October 2, 2026. Separately, an iShares listing showed IVW at 18.90% and IVV at 15.21%, with figures dated August 31, 2026; the listing excerpt does not identify a reliable full-period label. Those figures should not be presented as a defined-period head-to-head result without the corresponding standardized performance table.
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A clearly bounded comparison is available in IVV’s shareholder report: for the reporting period ended March 31, 2026, IVV returned 17.78%, while the S&P 500 returned 17.80%. This is a fiscal reporting period, not a calendar-year return. The index and fund were close over that specific period; it does not establish what either will return in another period.
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Are growth ETFs riskier than the S&P 500?
Growth exposure is more targeted by construction. A growth fund concentrates on the companies that its index classifies as growth, so its results can be more sensitive to the fortunes and valuations of that subset. That is a concentration and style trade-off, not a quantified claim that IVW has higher volatility or a larger drawdown than IVV over a particular period.
The S&P 500 is broader across large U.S. companies and industries, but it is not equally weighted. BlackRock’s IVV summary prospectus said the index represented approximately 88% of publicly traded U.S. equity market capitalization as of March 31, 2026. That is an estimate of market-cap coverage, not a count of U.S. companies or a statement that each constituent has equal influence. The largest holdings can still have a substantial effect on a capitalization-weighted index.
The official materials cited here do not provide matched-period volatility, beta, maximum drawdown, or Sharpe ratio figures for IVW and IVV. Without comparable figures calculated over the same dates and on the same basis, a specific measured risk difference cannot be responsibly stated.
How to compare two ETFs fairly
Before choosing between a growth fund and an S&P 500 fund, compare the actual products on the same terms:
- Benchmark: Identify the index provider and methodology. S&P 500 Growth and Russell 1000 Growth are not interchangeable labels.
- Holdings: Review overlap, top holdings, and each holding’s weight. A shared large-company name does not mean the funds have the same exposure.
- Returns: Use identical start and end dates. State whether returns are based on NAV or market price and whether distributions are reinvested.
- Risk: Compare volatility and maximum drawdown over that exact same period; use a consistent data source and calculation method.
- Costs: Check the current expense ratio as well as trading and potential tax costs that may apply to your account.
- Fit: Decide whether you want broad large-cap exposure or a more focused growth-style allocation, and whether you can tolerate the concentration that comes with the latter.
Should you invest in a growth ETF or the S&P 500?
The choice depends on the exposure you want, not on a reliable forecast of which category will win. An S&P 500 fund provides broad exposure to large U.S. companies; a growth ETF narrows the target to a style segment defined by its benchmark. Either can be compared using the steps above, but past returns alone do not settle which belongs in an individual portfolio. Consider your overall allocation, time horizon, and ability to handle losses, and consult a qualified financial professional if you need advice tailored to your circumstances.
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