Vanguard Health Care Admiral Fund ( VGHAX) Performance: up 6.9%, placing it in the top 8% of its fund category; three-year average annual return of 13.5%; 15-year average annual return of 12%. Fund Profile: Vanguard Health Care Admiral is the largest health-care-focused fund, with assets exceeding most of the others in the category combined. It holds stakes in all the largest drug and health-care firms, and the average market cap of the stocks it buys is $27 billion, more than twice the health-care category norm. Managers Ed Owens and Jean Hynes are value-conscious investors, says Morningstar, and "they spread their portfolio broadly across the sector but tilt toward less-expensive, out-of-favor areas." Assets: $20.6 billion Top picks: UnitedHealth Group ( HUM), 4.3% of fund, up 34%; Abbott Laboratories ( ABT), 3.7% of fund, up 17%; Humana ( HUM), 2.3% of fund, up 58%.