The 10 Largest S&P 500 Stocks in 2025

What We're Showing

When you invest in the S&P 500, you're gaining exposure to the 500 biggest publicly traded companies in the U.S.—but not equally. Nearly 40% of your investment is concentrated in just 10 companies. So, who's at the top in 2025?

This graphic, sponsored by Tema, uses the latest data from SlickCharts to show the weights of the 10 largest S&P 500 stocks in 2025.

Key Takeaways

• The S&P 500 continues to be dominated by the biggest names in tech.
• Apple leads the pack with a 6.52% weighting, followed closely by Microsoft at 6.17%.
• Nvidia, which has surged on the back of AI-related demand, now commands a 5.72% share of the index.
• Rounding out the top five are Amazon (3.67%) and Alphabet (3.64%), showing just how concentrated the index has become in a handful of mega-cap tech companies.
• The Tema S&P 500 Historical Weight ETF (DSPY) mirrors the S&P 500 while adjusting company weights to reflect their 35-year historical average levels.