MPMDX Performance — MFS Maryland Municipal Bond Fund, Class R6

Data updated: 2026-08-25

MPMDX returned +2.69% year to date and +7.89% over one year to Jun 2026. Annualised returns are +4.37% over 3 years and +1.16% over 5 years. The fund beat its Long-Term Municipal Bond category average: $100 invested three years ago grew to $114, against $112 for the category, and to $108 over one year, against $108. Volatility over the past three years was 6.16% a year. In the 12 months to Jun 2026 the fund took in a net $14.7M, and assets reached $161.51M.

MPMDX Growth of $100

What $100 invested in MFS Maryland Municipal Bond Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Long-Term Municipal Bond category average over the same months.

PeriodMPMDXCategory average
1 year (Jul 2025 – Jun 2026)$108$108
3 years (Jul 2023 – Jun 2026)$114$112
5 years (Jul 2021 – Jun 2026)$106$103
Since data start (Jul 2019 – Jun 2026)$115$113

MPMDX Trailing Returns

Total returns to Jun 2026, from SEC N-PORT.

PeriodTotal return
YTD+2.69%
1 year+7.89%
3 years (annualised)+4.37%
5 years (annualised)+1.16%

MPMDX Annual Returns

Calendar-year total returns of MFS Maryland Municipal Bond Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jun)+2.69%
2025+3.95%
2024+2.22%
2023+6.86%
2022−9.65%
2021+2.84%
2020+4.23%
2019 (Jul–Dec)+2.20%

MPMDX Monthly Returns

Monthly total returns as reported on SEC Form N-PORT.

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+0.4%+1.5%−2.2%+1.3%+0.6%+1.1%——————
2025+0.3%+1.0%−1.8%−0.6%−0.6%+0.6%−0.7%+0.8%+3.2%+1.4%+0.3%+0.1%
2024−0.1%+0.1%0.0%−1.3%+0.1%+2.1%+0.8%+0.6%+1.2%−1.4%+1.6%−1.4%
2023+3.1%−2.4%+2.1%−0.1%−0.7%+0.6%+0.3%−1.2%−3.0%−1.7%+7.0%+3.0%
2022−2.2%−0.4%−3.0%−3.0%+1.2%−2.3%+2.9%−2.6%−4.3%−0.8%+5.0%−0.2%
2021+0.9%−1.1%+0.4%+1.0%+0.6%+0.5%+0.8%−0.3%−0.7%−0.1%+0.9%+0.1%
2020+1.7%+1.2%−5.0%−2.2%+3.1%+1.5%+1.7%−0.3%0.0%−0.1%+1.8%+0.9%
2019——————+0.6%+1.6%−0.5%0.0%+0.2%+0.4%

MPMDX Risk

Risk measures from monthly returns over Jul 2023 – Jun 2026.

  • 3-year volatility (annualised): 6.16%
  • 3-year Sharpe ratio: -0.02 (vs 4.5% risk-free rate)
  • Best month: +7.03% (Nov 2023)
  • Worst month: −3.01% (Sep 2023)

MPMDX Fund Flows

Monthly money in and out of MFS Maryland Municipal Bond Fund, from SEC Form N-PORT.

  • 12-month net flow: $14.7M
  • 12-month gross sales (incl. reinvestments): $41.4M
  • Sales ÷ redemptions: 1.55×
MonthSalesRedemptionsNet flow
Jun 2026$2.3M$1.6M$638K
May 2026$2.9M$1.4M$1.5M
Apr 2026$3.8M$4.9M−$1.1M
Mar 2026$3.6M$2.2M$1.4M
Feb 2026$2.5M$2.0M$528K
Jan 2026$3.4M$1.6M$1.8M
Dec 2025$3.6M$2.2M$1.5M
Nov 2025$3.3M$1.5M$1.8M
Oct 2025$3.1M$2.3M$743K
Sep 2025$5.0M$2.8M$2.2M
Aug 2025$3.5M$1.9M$1.6M
Jul 2025$4.3M$2.2M$2.1M

MPMDX Assets Under Management

Net assets of MFS Maryland Municipal Bond Fund by report date, from SEC N-PORT filings.

Report dateNet assets
2026-06-30$161.51M
2026-03-31$157.18M
2025-12-31$155.25M
2025-09-30$149.95M
2025-06-30$140.73M
2025-03-31$136.04M
2024-12-31$129.62M
2024-09-30$129.32M
2024-06-30$123.32M
2024-03-31$119.46M
2023-12-31$116.02M
2023-09-30$120.35M

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.