Founded in 1924, MFS (Massachusetts Financial Services) had $661.8 billion in assets under management as of Jan. 31, 2026. The company manages more than 80 portfolios, which invest in domestic and global stocks along with fixed-income debt securities. It focuses on providing a wide variety of financial products and services to fulfill the needs of investors, as well as 10,000 investment professionals.
MFS is headquartered in Boston, MA, and has investment offices in Hong Kong, Sao Paulo, Singapore, Mexico City, Toronto, London, Sydney, Luxembourg and Tokyo. The company has a dedicated staff of more than 2000 worldwide, catering to clients’ needs. Its investment approach includes integrated study, international cooperation and expertise in risk management.
Below, we share with you three top-ranked MFS mutual funds — Mfs Blended Research International Equity Fund BRXVX, Mfs Blended Research Core Equity Fund MUSEX and Mfs Growth Fund MFEKX. Each has a Zacks Mutual Fund Rank #1 (Strong Buy) and is expected to outperform its peers in the future. Investors can click here to see the complete list of MFS mutual funds.
Mfs Blended Research International Equity Fund invests most of its net assets in common stocks and other securities that represent an ownership interest, preferably in large-cap companies. BRXVX advisors may also choose to invest in different industries, sectors, countries and regions.
Mfs Blended Research International Equity Fund has three-year annualized returns of 26%. As of the end of May 2026, BRXVX held 4.8% of its net assets invested in Taiwan Semiconductor Manufacturing.
Mfs Blended Research Core Equity Fund invests most of its net assets in equity securities. MUSEX advisors generally invest in securities that represent an ownership interest.
Mfs Blended Research Core Equity Fund has three-year annualized returns of 23.1%. MUSEX has an expense ratio of 0.38%.
Mfs Growth Fund invests most of its net assets in common stocks and other securities that represent an ownership interest in a company or other issues. MFEKX advisors invest in stocks of companies that they believe have above-average earnings growth potential compared to other companies.
Mfs Growth Fund has three-year annualized returns of 21.2%.Timothy W. Dittmer has been one of the fund managers of MFEKX since June 2025.
To view the Zacks Rank and the past performance of all MFS mutual funds, investors can click here to see the complete list of MFS mutual funds.
