Over the past 10 years, Guy Spier returned 391.8% compared to 251.7% for the S&P 500 — outperformed the S&P 500 by 140.1%.
40.4%
S&P 500: 18.4%
114.6%
S&P 500: 75.0%
115.0%
S&P 500: 70.6%
391.8%
S&P 500: 251.7%