Over the past 10 years, Mario Gabelli returned 153.5% compared to 260.9% for the S&P 500 — underperformed the S&P 500 by 107.4%.
12.2%
S&P 500: 16.2%
40.8%
S&P 500: 71.2%
57.4%
S&P 500: 71.1%
153.5%
S&P 500: 260.9%