MFPAX Performance — MFS Pennsylvania Municipal Bond Fund, Class A

Data updated: 2026-08-25

MFPAX returned +2.70% year to date and +7.66% over one year to Jun 2026. Annualised returns are +4.18% over 3 years and +0.83% over 5 years. Against its Long-Term Municipal Bond category average the fund came out ahead over three years but behind over one: $100 invested three years ago grew to $113, against $112 for the category, and to $108 over one year, against $108. Volatility over the past three years was 6.13% a year. In the 12 months to Jun 2026 the fund took in a net $20.2M, and assets reached $194.75M.

MFPAX Growth of $100

What $100 invested in MFS Pennsylvania 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.

PeriodMFPAXCategory average
1 year (Jul 2025 – Jun 2026)$108$108
3 years (Jul 2023 – Jun 2026)$113$112
5 years (Jul 2021 – Jun 2026)$104$103
Since data start (Jul 2019 – Jun 2026)$114$113

MFPAX Trailing Returns

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

PeriodTotal return
YTD+2.70%
1 year+7.66%
3 years (annualised)+4.18%
5 years (annualised)+0.83%

MFPAX Annual Returns

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

YearTotal return
2026 (Jan–Jun)+2.70%
2025+3.48%
2024+3.11%
2023+5.48%
2022−10.21%
2021+2.64%
2020+4.53%
2019 (Jul–Dec)+2.37%

MFPAX Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+0.5%+1.5%−2.2%+1.4%+0.6%+0.9%——————
2025+0.2%+1.1%−1.9%−0.7%−0.6%+0.6%−0.7%+0.8%+3.0%+1.4%+0.3%0.0%
20240.0%+0.1%+0.1%−1.3%+0.1%+2.1%+1.0%+0.8%+1.4%−1.4%+1.6%−1.3%
2023+3.1%−2.6%+2.0%−0.1%−0.9%+0.7%+0.3%−1.4%−3.1%−1.8%+7.0%+2.5%
2022−2.3%−0.6%−3.0%−3.0%+1.2%−2.2%+2.4%−2.4%−4.6%−1.2%+5.4%0.0%
2021+0.9%−1.4%+0.6%+1.0%+0.7%+0.4%+0.9%−0.4%−0.9%−0.2%+0.8%+0.2%
2020+1.9%+1.5%−4.8%−2.3%+3.0%+1.5%+1.8%−0.3%0.0%−0.3%+1.7%+1.1%
2019——————+0.7%+1.8%−0.5%0.0%+0.1%+0.3%

MFPAX Risk

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

  • 3-year volatility (annualised): 6.13%
  • 3-year Sharpe ratio: -0.05 (vs 4.5% risk-free rate)
  • Best month: +7.00% (Nov 2023)
  • Worst month: −3.07% (Sep 2023)

MFPAX Fund Flows

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

  • 12-month net flow: $20.2M
  • 12-month gross sales (incl. reinvestments): $61.4M
  • Sales ÷ redemptions: 1.49×
MonthSalesRedemptionsNet flow
Jun 2026$3.5M$2.4M$1.1M
May 2026$4.4M$3.1M$1.3M
Apr 2026$4.8M$5.1M−$381K
Mar 2026$4.7M$4.2M$471K
Feb 2026$3.2M$1.8M$1.4M
Jan 2026$5.2M$2.3M$2.9M
Dec 2025$8.9M$5.0M$3.9M
Nov 2025$3.6M$3.5M$69K
Oct 2025$4.1M$2.7M$1.4M
Sep 2025$5.6M$3.3M$2.4M
Aug 2025$3.1M$3.0M$120K
Jul 2025$10.3M$4.7M$5.6M

MFPAX Assets Under Management

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

Report dateNet assets
2026-06-30$194.75M
2026-03-31$189.02M
2025-12-31$186.22M
2025-09-30$179.46M
2025-06-30$167.48M
2025-03-31$165.47M
2024-12-31$165.69M
2024-09-30$165.84M
2024-06-30$161.33M
2024-03-31$162.13M
2023-12-31$159.78M
2023-09-30$152.49M

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.