As market-capitalization-weighted index ETFs, both VOO and VTI naturally feature a high allocation to large-cap stocks. If you want to focus more on mid- and small-cap stocks, a dedicated non-core ETF like VXF might be ideal. This ETF tracks the S&P Completion Index for a 0.06% expense ratio.

Our analyst team just revealed what they believe are the 10 best stocks to buy right now. See the 10 stocks » With that as the backdrop, here's a look at three very different -- but very complementary -- Vanguard exchange-traded funds that just might have a place in your portfolio.

If the Magnificent Seven continues to produce outsize returns, the Mega Cap Growth ETF will probably beat the S&P 500 again in 2025. But the more stock prices outpace earnings growth, the more extended valuations become, which can pressure companies to deliver incredible results.