MBNYX — MFS New York Municipal Bond Fund
Data updated: 2026-06-11
MBNYX — MFS New York Municipal Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Municipal - National Bond · $186.72M AUM · 1.58% expense ratio · 2.9% 1-yr return. From SEC regulatory filings.
MBNYX Fund Overview
MBNYX — MFS New York Municipal Bond Fund is a US mutual fund managed by Mfs Municipal Series Trust, categorised as Long Municipal - National Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Mfs Municipal Series Trust
- Category: Long Municipal - National Bond
- Assets under management: $186.72M
- 1-year return: 2.9%
- Ticker: MBNYX
- SEC CIK: 0000751656
- SEC series ID: S000002522
- Share class ID: C000006960
MBNYX Holdings
Top 10 holdings of MFS New York Municipal Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Albany Capital Resource Corp. | 2.52% |
| New York State Dormitory Authority | 1.96% |
| MFS Institutional Money Market Portfolio | 1.72% |
| Metropolitan Transportation Authority | 1.68% |
| New York State Thruway Authority | 1.36% |
| New York City Housing Development Corp. | 1.24% |
| New York City Transitional Finance Authority Future Tax Secured Revenue | 1.18% |
| Port Authority of New York & New Jersey | 1.13% |
| City of New York NY | 1.13% |
| Yonkers Industrial Development Agency | 1.13% |
MBNYX Portfolio Allocation
Asset-class allocation of MFS New York Municipal Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 97.2% |
| Cash & Equivalents | 1.7% |
MBNYX Performance
Total returns for MBNYX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.4% |
| 1 year | 2.9% |
| 3 years (annualised) | 2.6% |
| 5 years (annualised) | -0.3% |
MBNYX Risk Information
Risk metrics for MBNYX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 5.3%
MBNYX Costs and Fees
MBNYX costs about $158 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.58%
- Gross expense ratio: 1.71%
- Portfolio turnover: 12%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
MBNYX Cashflows
Over the 12 months to 2026-03, MFS New York Municipal Bond Fund had net inflows of $6.43M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $1.17M |
| 2026-02 | −$374.90K |
| 2026-01 | −$386.31K |
| 2025-12 | $6.12M |
| 2025-11 | −$845.41K |
| 2025-10 | $430.72K |
MBNYX Debt Constituents
Largest debt holdings of MFS New York Municipal Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Albany Capital Resource Corp. | 2.52% |
| New York State Dormitory Authority | 1.96% |
| Metropolitan Transportation Authority | 1.68% |
| New York State Thruway Authority | 1.36% |
| New York City Housing Development Corp. | 1.24% |
| New York City Transitional Finance Authority Future Tax Secured Revenue | 1.18% |
| Port Authority of New York & New Jersey | 1.13% |
| City of New York NY | 1.13% |
| Yonkers Industrial Development Agency | 1.13% |
| Hempstead Town Local Development Corp. | 1.12% |
MBNYX Prospectus and SEC Filings
Official MFS New York Municipal Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Municipal - National 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.