A growth ETF is not one standardized investment: it usually tracks an index that selects stocks for growth characteristics. To compare one with the S&P 500, line up the benchmark, dates, fees and risk measures—not just recent returns. For a direct example, iShares S&P 500 Growth ETF (IVW) tracks the S&P 500 Growth Index; iShares Core S&P 500 ETF (IVV) and Vanguard S&P 500 ETF (VOO) track the broader S&P 500. Neither approach is guaranteed to outperform.
What “growth ETF” means in this comparison
IVW seeks exposure to the growth segment of the U.S. large-cap market and benchmarks the S&P 500 Growth Index. Its stated selection approach includes characteristics such as above-average earnings and revenue growth. The S&P 500 Growth Index is a subset-style benchmark, not another name for the full S&P 500. iShares’ IVW fund page
Index provider matters. IVW tracks S&P Dow Jones Indices’ S&P 500 Growth Index, while iShares Russell 1000 Growth ETF (IWF) tracks the Russell 1000 Growth Index. Their holdings and exposures should not be presumed identical just because both funds are described as growth ETFs. IVW IWF
How the funds compare on the facts available
| Fund | Benchmark or style | Expense ratio in official listing, Aug. 31, 2026 |
|---|---|---|
| IVW | S&P 500 Growth Index | 0.18% iShares listing |
| IVV | S&P 500 | 0.03% iShares listing |
| VOOG | S&P 500 Growth Index | 0.07% Vanguard listing |
| VOO | S&P 500 | 0.03% Vanguard listing |
These are dated listing figures, not a promise that fees will remain unchanged. Check the fund’s current page and prospectus before investing. The expense ratio is only one cost: trading spreads, taxes and account-level costs may also affect what an investor pays.
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There is no answer that holds for every period. Returns must be compared over the same start and end dates and using the same convention, such as NAV total return with distributions reinvested. The available official figures here do not establish a reliable, fully labeled same-period comparison between IVW and IVV, so they should not be presented as proof that growth outperformed.
BlackRock reported IVW NAV total return of 17.09% year to date through Oct. 2, 2026. That is a single-fund, dated figure; it is not directly comparable with another fund’s return measured through a different date or on a different basis. IVW performance
Rank #2
For a clearly specified fiscal reporting period, IVV’s shareholder report recorded a 17.78% return for the period ended March 31, 2026, while the S&P 500 returned 17.80%. This comparison describes that reporting period, not a calendar year and not growth stocks versus the full index. IVV annual shareholder report
When checking performance on fund pages, confirm the period label, whether returns are NAV or market-price based, and whether distributions are included. A figure without those details can mislead even when it is accurately copied.
Are growth ETFs riskier than the S&P 500?
A growth fund narrows exposure to companies classified as growth under its index methodology. That creates a different concentration and style exposure: performance can be more sensitive to the fortunes and valuations of that subset of companies. This is a structural trade-off, not a quantified claim that IVW has a particular amount more risk than IVV.
The S&P 500 is broader across large U.S. companies and industries, but it is not equally weighted. The IVV summary prospectus says the index represented approximately 88% of publicly traded U.S. equity market capitalization as of March 31, 2026. It is weighted by float-adjusted market value, so its largest constituents can have substantial influence despite the index containing hundreds of stocks. The 88% figure describes market-cap coverage, not the share of U.S. companies included. IVV summary prospectus
The official pages cited here do not provide matched-period volatility, beta, maximum drawdown or Sharpe ratio figures for IVW and IVV. Without consistent data for the same interval and return basis, it would be misleading to say how much riskier one fund has been by those measures.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to make a fair comparison
Before choosing between a growth ETF and an S&P 500 fund, compare the actual funds rather than relying on labels:
Do these 3 things before closing this tab:
1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitches- Benchmark and methodology: Identify the index, provider and rules that determine which companies qualify and how they are weighted.
- Holdings: Compare overlap, top holdings and their weights. A large overlap can mean the funds are less different than their labels suggest.
- Returns: Use identical start and end dates, state NAV or market-price basis, and check whether distributions are reinvested.
- Risk over the same period: Compare volatility and maximum drawdown using a consistent methodology; add other measures only when they are calculated on the same dates and basis.
- Costs: Check the current expense ratio along with trading spreads, taxes and any other relevant account costs.
- Portfolio role: Decide whether a targeted growth tilt fits the allocation and concentration exposure you want, rather than assuming recent returns predict future results.
Which approach fits a portfolio?
An S&P 500 fund is exposure to a broad, capitalization-weighted index of large U.S. companies; it is not a guarantee of diversification across all company sizes, countries or asset classes. A growth-style fund makes a more targeted tilt toward stocks classified as growth. Whether that tilt belongs in a portfolio depends on the investor’s overall allocation, goals and willingness to accept concentration in a particular style.
These examples are for explaining how benchmarks differ, not recommendations to buy IVW, IVV, VOOG, VOO or IWF. Historical performance can change, and it does not establish which style will lead next.
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