Over the past 10 years, Mario Gabelli returned 146.2% compared to 255.1% for the S&P 500 — underperformed the S&P 500 by 108.9%.
9.4%
S&P 500: 12.2%
47.2%
S&P 500: 79.5%
47.9%
S&P 500: 67.7%
146.2%
S&P 500: 255.1%