Over the past 10 years, Mario Gabelli returned 151.1% compared to 255.5% for the S&P 500 — underperformed the S&P 500 by 104.4%.
14.0%
S&P 500: 19.7%
39.7%
S&P 500: 76.9%
59.6%
S&P 500: 72.4%
151.1%
S&P 500: 255.5%