Over the past 10 years, Carl Icahn returned -50.8% compared to 255.1% for the S&P 500 — underperformed the S&P 500 by 305.9%.
4.3%
S&P 500: 12.2%
-24.2%
S&P 500: 79.5%
-65.6%
S&P 500: 67.7%
-50.8%
S&P 500: 255.1%