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The Motley Fool

13 Jun 2026, 10:55 UTC · 2h ago

MGK vs. IWO: Which Growth ETF Is the Better Buy for Investors in 2026?

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What the story claims

3 claims · each scored for market impact

What matters in this story

1
The Vanguard Mega Cap Growth ETF (MGK) is highly concentrated in technology, with 56% sector weighting and significant holdings in Nvidia, Apple, and Microsoft. — Concentration in a few AI-driven mega-caps makes the fund highly sensitive to tech sentiment and the continued success of the 'Magnificent Seven'.
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2
The iShares Russell 2000 Growth ETF (IWO) provides diversified exposure to small-cap growth firms with significant allocations in Technology (26%), Industrials (23%), and Healthcare (22%). — Small-cap growth is more economically sensitive; shifts in macroeconomic conditions or interest rates will impact this fund more than mega-caps.
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3
MGK has a significantly lower expense ratio of 0.05% compared to IWO's 0.24%. — Lower fees provide a marginal long-term performance advantage for buy-and-hold investors.
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