MFS Total Return Bond Fund Class I (MRBIX) - Intermediate Core-Plus Bond fund with $8.19 Billion in assets. The fund allocates 4.86% of its portfolio to its top 10 holdings. It primarily invests in averagemarketcap cap stocks , with a focus on the cash and equivalents sector.
The largest holding in the fund is U.S. Treasury Notes at 1.13% of total assets. This is followed by MFS Institutional Money Market Portfolio, Class A (1.53%) and U.S. Treasury Bonds (1.12%).