The weights are: 100% three year rating for 36-59 months of total returns, 60% five-year rating/40% three-year rating for 60-119 months of total returns, and 50% 10-year rating/30% five-year rating/20% three-year rating for 120 or more months of total returns. While the 10-year overall star rating formula seems to give the most weight to the 10. View top holdings and key holding information for Fidelity Contrafund Fund (FCNTX).

Bloomberg Opinion columnist Barry Ritholtz speaks with Will Danoff, who is the Contrafund portfolio manager at Fidelity. During his nearly 30-year tenure, the Fidelity Contrafund has outperformed the S&P 500 in 100% of rolling 10-year time periods. The Fidelity Contrafund is a large-cap growth fund with $139 billion in assets under management. Fidelity Contrafund. Of the company's actively managed funds, Fidelity Contrafund is a standout star. The fund invests primarily in large-cap stocks that the managers believe have above-average.