Over the past 10 years, Guy Spier returned 380.8% compared to 246.0% for the S&P 500 — outperformed the S&P 500 by 134.9%.
36.8%
S&P 500: 12.2%
113.8%
S&P 500: 68.2%
108.9%
S&P 500: 61.4%
380.8%
S&P 500: 246.0%