MFS Mid Cap Growth Fund Class R1 (OTCGX) - Mid-Cap Growth fund with $3.70 Billion in assets. The fund allocates 27.83% 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 Monolithic Power Systems, Inc. at 4.26% of total assets. This is followed by Howmet Aerospace, Inc. (3.95%) and MFS Institutional Money Market Portfolio, Class A (2.86%).