About MCBYX
MassMutual Core Bond Fund Service Class is an open-ended mutual fund focused on the U.S. fixed income market. Its primary objective is to achieve a high total rate of return while maintaining prudent investment risk and preserving capital. The fund primarily invests at least 80% of its net assets in investment grade fixed income securities, including U.S. government securities, corporate bonds, mortgage-backed, and other asset-backed securities rated Baa or higher by Moody’s or BBB or higher by S&P. Managed by MML Investment Advisers, LLC and Barings LLC, the fund utilizes a diversified approach, with more than 370 individual holdings and a relatively high portfolio turnover. It benchmarks its performance against the Bloomberg U.S. Aggregate Bond Index, aiming to match its average duration within a tight range. This core bond fund plays a central role for investors seeking broad exposure to the investment grade bond market, offering a blend of corporate, government, and securitized debts. Its strategy makes it a foundational fixed income holding for balanced portfolios, appealing to those prioritizing stable income generation and moderate interest rate risk, typical of the intermediate-term core bond category.
Fund Family MassMutual
Category Intermediate Core Bond
Stock Exchange NASDAQ
Ticker Symbol MCBYX
Share Class Service Class
Index Bloomberg U.S. Aggregate Bond TR
MCBYX had a total return of 0.87% in the past year, including dividends. Since the fund's
inception, the average annual return has been 2.73%.