Over the past 10 years, PRIMECAP Management returned 293.6% compared to 252.9% for the S&P 500 — outperformed the S&P 500 by 40.7%.
42.5%
S&P 500: 22.4%
79.7%
S&P 500: 72.1%
74.9%
S&P 500: 73.9%
293.6%
S&P 500: 252.9%