MassMutual Core Bond Fund (MCBYX)

NASDAQ · Mutual Fund · Delayed Price · Currency is USD
9.32
-0.04 (-0.43%)
Oct 29, 2025, 4:00 PM EDT
-0.43%
Fund Assets864.93M
Expense Ratio0.62%
Min. Investment$0.00
Turnover248.00%
Dividend (ttm)0.41
Dividend Yield4.39%
Dividend Growth-42.32%
Payout FrequencyMonthly
Ex-Dividend DateSep 30, 2025
Previous Close9.36
YTD Return4.79%
1-Year Return4.38%
5-Year Return-2.42%
52-Week Low8.84
52-Week High9.36
Beta (5Y)n/a
Holdings461
Inception DateJan 1, 1998

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

Performance

MCBYX had a total return of 4.38% in the past year, including dividends. Since the fund's inception, the average annual return has been 2.74%.

Equivalent Funds

These are funds that follow the same index from the other major fund companies.

SymbolProviderNameExpense Ratio
FGBPXFidelityFidelity Investment Grade Bond Fund0.50%
FSMTXFidelityFidelity SAI Total Bond0.29%
FGBCXFidelityFidelity Investment Grade Bond Fund1.52%
FGBTXFidelityFidelity Investment Grade Bond Fund0.74%
FTKFXFidelityFidelity Total Bond K60.30%

Other Share Classes

These are alternative share classes of the same fund, from the same provider.

SymbolShare ClassExpense Ratio
MCZZXClass I0.42%
MCBDXClass R50.52%
MCBLXAdministrative Class0.72%
MCZRXClass R40.87%

Top 10 Holdings

28.44% of assets
NameSymbolWeight
2 Year Treasury Note Future Dec 25n/a10.17%
Us Long Bond(Cbt) Dec25 Xcbt 20251219n/a3.84%
Us Ultra Bond Cbt Dec25 Xcbt 20251219n/a3.18%
US Treasury Note 3.625%T.3.625 08.31.302.07%
10 Year Treasury Note Future Dec 25n/a2.03%
Federal Home Loan Mortgage Corp. 2.5%n/a1.76%
US Treasury Note 3.875%T.3.875 08.31.321.71%
Federal National Mortgage Association 5%FNCI.5 10.111.25%
United States Treasury Bonds 2.25%T.2.25 08.15.491.22%
United States Treasury Notes 4.875%T.4.875 05.31.261.22%
View More Holdings

Dividend History

Ex-DividendAmountPay Date
Sep 30, 2025$0.03689Oct 1, 2025
Aug 29, 2025$0.03248Sep 2, 2025
Jul 31, 2025$0.0343Aug 1, 2025
Jun 30, 2025$0.03555Jul 1, 2025
May 30, 2025$0.03295Jun 2, 2025
Apr 30, 2025$0.03463May 1, 2025
Full Dividend History