No. 10: PIMCO
Total mutual fund assets: $327.6 billion
Long-term assets: $326.7 billion
Pacific Investment Management Company, built by Bill Gross, is back on top in taxable bonds. PIMCO Total Return (PTTRX), at $95.9 billion in assets, has regained its place as the largest taxable bond fund in the Morningstar universe. The fund is still dwarfed by Vanguard Total Bond Market Index (VBMFX), which weighs in at $188.8 billion.