Which Growth ETF Is the Better Buy: Vanguard's Large-Cap VUG or iShares' Small-Cap ISCG?
Andy Gould, The Motley Fool
Sat, August 29, 2026 at 2:00 PM GMT+3 4 min read
Investors torn between the safety of mega-cap names and the upside of smaller, faster-growing companies have two low-cost options to consider: the Vanguard Morningstar Growth ETF (NYSEMKT:VUG) and the iShares Morningstar Small-Cap Growth ETF (NYSEMKT:ISCG). VUG leans into the largest, most dominant companies driving the U.S. economy, resulting in a very tech-heavy portfolio. ISCG casts a much wider net across smaller companies with high growth potential.
Snapshot (cost & size)
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Beta
Beta measures price volatility relative to the S&P 500; beta is calculated from monthly returns over the available fund history (up to five years). The 1-yr return represents total return over the trailing 12 months. Dividend yield is the trailing-12-month distribution yield.
VUG is the cheaper option, carrying an expense ratio of 0.03% compared to ISCG's 0.06%. ISCG currently offers the higher dividend yield of 0.59%, compared to VUG's 0.40%.
Performance & risk comparison
What's inside
Launched in 2004, VUG is heavily concentrated in large-cap growth stocks, with technology making up 57% of the portfolio. Its 147 holdings are led by mega-cap names, including Nvidia (NASDAQ:NVDA) at 12.8%, Apple (NASDAQ:AAPL) at 12.6%, and Microsoft (NASDAQ:MSFT) at 9.6%.
ISCG tracks a much broader index of smaller U.S. companies, holding 927 stocks. Its sector mix is more balanced, led by industrials at 22.5%, technology at 21.9%, and healthcare at 18.3%. Top holdings include Okta (NASDAQ:OKTA) at 0.8%, and Guardant Health (NASDAQ:GH) at 0.7%, and Roku (NASDAQ:ROKU) at 0.6%. ISCG was also launched in 2004.
For more guidance on ETF investing, check out the full guide at this link.
Which looks like the better buy
For long-term investors, the choice between VUG and ISCG really comes down to a bet on where growth is headed next.
VUG's concentration in a group of dominant technology names has been a powerful tailwind over the past five years, as AI and cloud spending have driven outsize gains for its largest holdings. That same concentration is also the fund's biggest risk -- when a stock like Nvidia or Apple stumbles, it has an outsize impact, since VUG's top three holdings alone make up more than a third of the portfolio.
ISCG's broader, more diversified approach spreads that risk across hundreds of smaller companies, none of which accounts for more than a fraction of a percent of the fund. That diversification has helped it outperform over the past year, as investors rotated into smaller, higher-growth names. It's worth remembering that small-cap stocks also tend to be more volatile and more sensitive to interest rate swings, which can cut both ways.
Comparing a small-cap growth fund to a large-cap growth fund is admittedly a bit of an apples-to-oranges comparison. Neither fund is inherently "better" -- it depends on whether an investor wants concentrated exposure to today's biggest winners or broader access to tomorrow's potential winners. With its rock-bottom fees and heavy overlap with the S&P 500, VUG would make for a reasonable core holding in many portfolios, while ISCG is probably better suited as a smaller, supplementary position for investors looking to add some small-cap growth exposure to an otherwise diversified mix. Some investors may even choose to hold both, pairing large-cap stability with small-cap upside as a way to diversify across the market-cap spectrum.
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Andy Gould has positions in Apple and Nvidia and has the following options: long January 2027 $125 calls on Nvidia and short January 2027 $125 puts on Nvidia. The Motley Fool has positions in and recommends Apple, Guardant Health, Microsoft, Nvidia, Okta, Roku, and Vanguard Morningstar Growth ETF. The Motley Fool has a disclosure policy.
Which Growth ETF Is the Better Buy: Vanguard's Large-Cap VUG or iShares' Small-Cap ISCG? was originally published by The Motley Fool
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