Over the past 10 years, Bill Gates returned 162.6% compared to 251.0% for the S&P 500 — underperformed the S&P 500 by 88.4%.
19.9%
S&P 500: 16.2%
19.9%
S&P 500: 70.2%
35.6%
S&P 500: 70.1%
162.6%
S&P 500: 251.0%