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10 ETFs to Build a Diversified Portfolio - U.S. News

Reported by Money
Jun 23, 2026· 3 min read
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Key Takeaways
  • • Vanguard S&P 500 ETF (VOO) delivers 15.2% annualized 10-year returns with a 0.03% expense ratio, positioning it as a foundational core holding for long-term portfolios and aligning with Warren Buffett's S&P 500 investment philosophy.
  • • Active management underperformance persists: only 38% of active ETFs and mutual funds beat their passive benchmarks in 2025, reinforcing the case for low-cost, diversified passive ETF strategies over stock picking.
  • • Seven recommended long-term ETFs span U.S. equity segments and international exposure, including Schwab U.S. Small-Cap ETF (SCHA, 10.9% return), iShares Core S&P Mid-Cap ETF (IJH, 11.1% return), and Vanguard Total International Stock ETF (VXUS, 9.5% return), enabling multi-market diversification at minimal cost.
  • • Invesco QQQ Trust (QQQ) offers technology-heavy growth exposure with a 21.1% annualized 10-year return, though at a higher 0.18% expense ratio, suitable for growth-oriented investors willing to accept sector concentration.
  • • Major ETF providers—BlackRock (iShares), Vanguard, State Street (SPDR), Invesco, Schwab, WisdomTree, and Van Eck— dominate the market, offering investors significant choice in building low-cost, diversified portfolios with expense ratios as low as 0.03%.
Summary
U.S. News Money provides a framework for constructing long-term diversified portfolios through exchange-traded funds, addressing a fundamental challenge in institutional and individual investing: the difficulty of outperforming through active stock selection. Research cited in the publication demonstrates that passive index strategies outperformed the majority of active management vehicles in 2025, with only 38% of actively managed ETFs and mutual funds beating their respective benchmarks. This performance gap underscores the strategic rationale for building core positions in low-cost, passively managed ETFs rather than pursuing alpha through concentrated bets or frequent trading.

The recommended foundation for diversified portfolios centers on Vanguard S&P 500 ETF (VOO), which provides direct exposure to the 500 largest U.S. companies with a minimal 0.03% expense ratio and a 15.2% annualized 10-year return. This ETF has gained particular prominence following institutional endorsements, notably from Warren Buffett, who advocates S&P 500 ETFs as the optimal vehicle for investors seeking long-term wealth accumulation without assuming above-average risk. The fund competes with similar vehicles including the SPDR S&P 500 ETF (SPY), the oldest such passive index fund in the market.

Beyond large-cap U.S. exposure, the recommended seven-ETF portfolio encompasses small-cap and mid-cap segments through Schwab U.S. Small-Cap ETF (SCHA, 10.9% return) and iShares Core S&P Mid-Cap ETF (IJH, 11.1% return), providing granular exposure across market capitalizations. For growth-oriented allocations, Invesco QQQ Trust (QQQ) delivers concentrated technology sector exposure with a 21.1% annualized 10-year return, though investors accept higher concentration risk relative to broader indices. International diversification is accessible through Vanguard Total International Stock ETF (VXUS), which provides exposure to approximately 8,700 foreign-headquartered equities at a 0.05% expense ratio and 9.5% 10-year return.

The ETF landscape is dominated by institutional-scale providers including BlackRock (iShares), Vanguard, State Street (SPDR), and Invesco, with secondary competitors including Schwab, WisdomTree, and Van Eck Associates. This competitive structure has driven expense ratios to historic lows, with core equity positions available at 0.03% to 0.06% annually. The guidance emphasizes that two to four strategically selected low-cost ETFs can construct a fully diversified portfolio, enabling investors to minimize fees while maintaining exposure across U.S. large-, mid-, and small-cap segments, international equities, dividend-yielding securities, and specialty sectors. This approach directly counters behavioral patterns documented among institutional and retail investors, where excessive trading, trend-chasing, and loss-aversion selling generate chronic underperformance relative to buy-and-hold strategies.

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Money 10 ETFs to Build a Diversified Portfolio - U.S. News