Federated Kaufmann (KAUFX)
30-year annual gain: 13.39%
Hans Utsch has been at the fund since 1986, when it was a well-respected small-cap growth fund. At $5.6 billion, it has become a mid-cap fund. The fund has gained 21.54% this year, clobbering the S&P 500 and the mid-cap growth category, despite its hefty 2% expense ratio.