Over the past 10 years, Bill Gates returned 162.8% compared to 254.1% for the S&P 500 — underperformed the S&P 500 by 91.3%.
14.4%
S&P 500: 13.1%
25.1%
S&P 500: 80.8%
31.2%
S&P 500: 67.7%
162.8%
S&P 500: 254.1%