MSDNX Performance — MassMutual Short-Duration Bond Fund, Class R3
Data updated: 2026-08-27
MSDNX returned +0.78% year to date and +3.06% over one year to Jun 2026. Annualised returns are +5.78% over 3 years and +1.54% over 5 years. The fund trailed its Short-Term Corporate Bond category average: $100 invested three years ago grew to $118, against $121 for the category, and to $103 over one year, against $105. Volatility over the past three years was 1.70% a year. In the 12 months to Jun 2026 the fund lost a net $19.5M, and assets reached $125.93M.
MSDNX Growth of $100
What $100 invested in MassMutual Short-Duration Bond Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Short-Term Corporate Bond category average over the same months.
| Period | MSDNX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $103 | $105 |
| 3 years (Jul 2023 – Jun 2026) | $118 | $121 |
| 5 years (Jul 2021 – Jun 2026) | $108 | $117 |
| Since data start (Jul 2019 – Jun 2026) | $113 | $128 |
MSDNX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.78% |
| 1 year | +3.06% |
| 3 years (annualised) | +5.78% |
| 5 years (annualised) | +1.54% |
MSDNX Annual Returns
Calendar-year total returns of MassMutual Short-Duration Bond Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +0.78% |
| 2025 | +5.29% |
| 2024 | +7.14% |
| 2023 | +6.07% |
| 2022 | −10.03% |
| 2021 | +1.42% |
| 2020 | +1.65% |
| 2019 (Jul–Dec) | +1.44% |
MSDNX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +0.5% | +0.2% | −0.6% | +0.5% | +0.1% | +0.1% | — | — | — | — | — | — |
| 2025 | +0.3% | +0.7% | +0.5% | +0.3% | +0.4% | +0.8% | +0.2% | +0.9% | +0.4% | +0.2% | +0.2% | +0.3% |
| 2024 | +0.7% | −0.1% | +1.0% | +0.6% | +1.0% | 0.0% | +1.2% | +0.8% | +1.3% | +0.3% | +0.5% | −0.3% |
| 2023 | −1.1% | +0.4% | +2.1% | −0.2% | +0.6% | +0.2% | 0.0% | +0.3% | +0.7% | +1.5% | +1.6% | −0.1% |
| 2022 | −2.5% | −1.8% | −1.2% | −1.7% | −0.3% | −1.6% | −1.7% | −0.1% | +0.3% | +0.9% | +0.4% | −1.2% |
| 2021 | +0.1% | +0.4% | +0.8% | +0.1% | +0.2% | +0.3% | +0.1% | +0.2% | 0.0% | −0.2% | −0.4% | −0.2% |
| 2020 | −7.1% | −0.1% | +0.3% | +2.5% | +1.1% | +0.5% | +0.6% | +1.1% | +1.2% | +0.6% | +0.8% | +0.3% |
| 2019 | — | — | — | — | — | — | +0.2% | +0.3% | +0.3% | +0.1% | +0.2% | +0.3% |
MSDNX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 1.70%
- 3-year Sharpe ratio: 0.75 (vs 4.5% risk-free rate)
- Best month: +1.63% (Nov 2023)
- Worst month: −0.57% (Mar 2026)
MSDNX Fund Flows
Monthly money in and out of MassMutual Short-Duration Bond Fund, from SEC Form N-PORT.
- 12-month net flow: −$19.5M
- 12-month gross sales (incl. reinvestments): $77.2M
- Sales ÷ redemptions: 0.80×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $6.5M | $11.2M | −$4.7M |
| May 2026 | $8.4M | $4.9M | $3.6M |
| Apr 2026 | $4.5M | $3.7M | $769K |
| Mar 2026 | $7.2M | $4.1M | $3.1M |
| Feb 2026 | $7.9M | $9.3M | −$1.4M |
| Jan 2026 | $6.3M | $6.3M | −$85K |
| Dec 2025 | $9.9M | $4.1M | $5.8M |
| Nov 2025 | $4.5M | $5.4M | −$908K |
| Oct 2025 | $7.9M | $2.6M | $5.3M |
| Sep 2025 | $4.4M | $25.3M | −$20.9M |
| Aug 2025 | $6.1M | $13.0M | −$6.9M |
| Jul 2025 | $3.7M | $6.8M | −$3.1M |
MSDNX Assets Under Management
Net assets of MassMutual Short-Duration Bond Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $125.93M |
| 2026-03-31 | $126.63M |
| 2025-12-31 | $125.87M |
| 2025-09-30 | $116.02M |
| 2025-06-30 | $146.04M |
| 2025-03-31 | $148.80M |
| 2024-12-31 | $152.86M |
| 2024-09-30 | $157.09M |
| 2024-06-30 | $167.09M |
| 2024-03-31 | $173.65M |
| 2023-12-31 | $175.45M |
| 2023-09-30 | $212.98M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.