MCNYX Performance — MFS New York Municipal Bond Fund, Class C

Data updated: 2026-08-25

MCNYX returned +2.72% year to date and +7.40% over one year to Jun 2026. Annualised returns are +3.57% over 3 years and −0.11% over 5 years. The fund trailed its Long-Term Municipal Bond category average: $100 invested three years ago grew to $111, against $112 for the category, and to $107 over one year, against $108. Volatility over the past three years was 7.05% a year. In the 12 months to Jun 2026 the fund took in a net $7.6M, and assets reached $189.12M.

MCNYX Growth of $100

What $100 invested in MFS New York 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.

PeriodMCNYXCategory average
1 year (Jul 2025 – Jun 2026)$107$108
3 years (Jul 2023 – Jun 2026)$111$112
5 years (Jul 2021 – Jun 2026)$99$103
Since data start (Jul 2019 – Jun 2026)$107$113

MCNYX Trailing Returns

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

PeriodTotal return
YTD+2.72%
1 year+7.40%
3 years (annualised)+3.57%
5 years (annualised)−0.11%

MCNYX Annual Returns

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

YearTotal return
2026 (Jan–Jun)+2.72%
2025+2.12%
2024+2.53%
2023+6.44%
2022−12.99%
2021+2.28%
2020+2.93%
2019 (Jul–Dec)+1.77%

MCNYX Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+0.4%+1.6%−2.3%+1.3%+0.5%+1.1%——————
20250.0%+1.1%−2.1%−0.8%−1.1%+0.5%−1.0%+0.8%+3.5%+1.4%+0.2%−0.5%
20240.0%0.0%0.0%−1.4%+0.2%+2.3%+0.9%+0.6%+1.1%−1.5%+2.0%−1.8%
2023+3.7%−2.9%+2.1%+0.2%−0.7%+0.7%0.0%−1.8%−3.6%−2.2%+7.8%+3.4%
2022−2.7%−0.8%−3.8%−3.2%+1.2%−2.8%+2.9%−3.1%−4.7%−1.6%+5.8%−0.5%
2021+1.1%−1.6%+0.6%+1.1%+0.7%+0.5%+0.8%−0.6%−1.0%−0.3%+0.9%+0.1%
2020+1.8%+1.5%−5.7%−2.5%+2.9%+1.6%+1.5%−0.6%−0.3%−0.3%+2.1%+1.0%
2019——————+0.5%+1.9%−0.7%−0.2%+0.1%+0.2%

MCNYX Risk

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

  • 3-year volatility (annualised): 7.05%
  • 3-year Sharpe ratio: -0.13 (vs 4.5% risk-free rate)
  • Best month: +7.81% (Nov 2023)
  • Worst month: −3.57% (Sep 2023)

MCNYX Fund Flows

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

  • 12-month net flow: $7.6M
  • 12-month gross sales (incl. reinvestments): $52.6M
  • Sales ÷ redemptions: 1.17×
MonthSalesRedemptionsNet flow
Jun 2026$4.1M$4.3M−$169K
May 2026$2.5M$3.6M−$1.1M
Apr 2026$2.6M$3.3M−$673K
Mar 2026$4.6M$3.4M$1.2M
Feb 2026$2.8M$3.2M−$375K
Jan 2026$1.9M$2.3M−$386K
Dec 2025$12.6M$6.5M$6.1M
Nov 2025$3.9M$4.8M−$845K
Oct 2025$2.7M$2.3M$431K
Sep 2025$5.9M$2.4M$3.6M
Aug 2025$4.8M$3.2M$1.6M
Jul 2025$4.1M$5.8M−$1.7M

MCNYX Assets Under Management

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

Report dateNet assets
2026-06-30$189.12M
2026-03-31$186.72M
2025-12-31$188.26M
2025-09-30$181.66M
2025-06-30$173.78M
2025-03-31$180.42M
2024-12-31$176.36M
2024-09-30$180.27M
2024-06-30$173.55M
2024-03-31$172.05M
2023-12-31$171.67M
2023-09-30$156.55M

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.