MSBYX — MassMutual Short-Duration Bond Fund
Data updated: 2026-05-27
MSBYX — MassMutual Short-Duration Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Corporate Bond · $126.63M AUM · 0.66% expense ratio · 4.4% 1-yr return. From SEC regulatory filings.
MSBYX Fund Overview
MSBYX — MassMutual Short-Duration Bond Fund is a US mutual fund managed by Massmutual Premier Funds, categorised as Intermediate Corporate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Massmutual Premier Funds
- Category: Intermediate Corporate Bond
- Assets under management: $126.63M
- 1-year return: 4.4%
- Ticker: MSBYX
- SEC CIK: 0000927972
- SEC series ID: S000003785
- Share class ID: C000010517
MSBYX Holdings
Top 10 holdings of MassMutual Short-Duration Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Phillips 66 | 2.37% |
| Fortive Corp | 2.36% |
| CRH America Finance Inc | 2.35% |
| Charles Schwab Corp/The | 2.34% |
| Bayer Corporation | 2.34% |
| 522 Funding CLO LTD | 1.86% |
| Fixed Income Clearing Corp. | 1.82% |
| Keurig Dr Pepper Inc | 1.58% |
| Penske Truck Leasing Co LP | 1.57% |
| VW Credit Inc | 1.57% |
MSBYX Portfolio Allocation
Asset-class allocation of MassMutual Short-Duration Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 51.3% |
| Securitized | 30.2% |
| Cash & Equivalents | 19.0% |
MSBYX Performance
Total returns for MSBYX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.2% |
| 1 year | 4.4% |
| 3 years (annualised) | 6.3% |
| 5 years (annualised) | 2.0% |
MSBYX Risk Information
Risk metrics for MSBYX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 1.2%
MSBYX Costs and Fees
MSBYX costs about $66 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.66%
- Gross expense ratio: 0.78%
- Portfolio turnover: 47%
- Brokerage commissions: 1.46 bps of average net assets (SEC N-CEN)
MSBYX Cashflows
Over the 12 months to 2026-03, MassMutual Short-Duration Bond Fund had net outflows of $22.53M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $3.10M |
| 2026-02 | −$1.39M |
| 2026-01 | −$84.58K |
| 2025-12 | $5.84M |
| 2025-11 | −$908.20K |
| 2025-10 | $5.26M |
MSBYX Debt Constituents
Largest debt holdings of MassMutual Short-Duration Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Blue Owl Technology Fina | 0.68% |
| Golub Capital Bdc | 0.67% |
| Enstar Group Ltd. | 0.64% |
| Woori Bank | 0.64% |
| Santos Finance Ltd. | 0.61% |
| Bgc Group, Inc. | 0.60% |
| Blackstone Secured Lend | 0.59% |
| Piedmont Operating Partn | 0.58% |
| American National Gf | 0.55% |
| Humana, Inc. | 0.54% |
MSBYX Prospectus and SEC Filings
Official MassMutual Short-Duration Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Intermediate Corporate Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.