Allianz Global Investors offers about 75 different mutual funds, which are managed by a half-dozen investment firms, including PIMCO, NFJ Investment Group, RCM, Nicholas-Applegate Capital Management, Oppenheimer Capital and Cadence Capital Management. Funds range from those invested in high-yield municipal bonds to stock funds categorized by value, anticipated growth, or sector (including healthcare, natural resources, and technology). PIMCO RealRetirement Funds are unusual in that adhere to a diversified asset allocation strategy that is pegged to the year you expect to retire.