MBNCX — MFS North Carolina Municipal Bond Fund
Data updated: 2026-06-11
MBNCX — MFS North Carolina Municipal Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Municipal - National Bond · $546.59M AUM · 1.59% expense ratio · 2.9% 1-yr return. From SEC regulatory filings.
MBNCX Fund Overview
MBNCX — MFS North Carolina 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: $546.59M
- 1-year return: 2.9%
- Ticker: MBNCX
- SEC CIK: 0000751656
- SEC series ID: S000002523
- Share class ID: C000006963
MBNCX Holdings
Top 10 holdings of MFS North Carolina Municipal Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| MFS Institutional Money Market Portfolio | 2.92% |
| University of North Carolina at Chapel Hill | 1.19% |
| Greater Asheville Regional Airport Authority | 1.12% |
| Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue | 1.10% |
| Water and Sewer Authority of Cabarrus County | 1.04% |
| City of Charlotte NC Water & Sewer System Revenue | 0.96% |
| Dallas Fort Worth International Airport | 0.96% |
| University of North Carolina at Chapel Hill | 0.95% |
| Greenville Utilities Commission | 0.95% |
| North Carolina Housing Finance Agency | 0.92% |
MBNCX Portfolio Allocation
Asset-class allocation of MFS North Carolina Municipal Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 97.9% |
| Cash & Equivalents | 2.9% |
MBNCX Performance
Total returns for MBNCX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.4% |
| 1 year | 2.9% |
| 3 years (annualised) | 2.0% |
| 5 years (annualised) | -0.2% |
MBNCX Risk Information
Risk metrics for MBNCX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 4.8%
MBNCX Costs and Fees
MBNCX costs about $159 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.59%
- Gross expense ratio: 1.61%
- Portfolio turnover: 20%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
MBNCX Cashflows
Over the 12 months to 2026-03, MFS North Carolina Municipal Bond Fund had net inflows of $95.65M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $9.37M |
| 2026-02 | $5.16M |
| 2026-01 | $7.96M |
| 2025-12 | $5.70M |
| 2025-11 | $5.20M |
| 2025-10 | $1.39M |
MBNCX Debt Constituents
Largest debt holdings of MFS North Carolina Municipal Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| University of North Carolina at Chapel Hill | 1.19% |
| Greater Asheville Regional Airport Authority | 1.12% |
| Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue | 1.10% |
| Water and Sewer Authority of Cabarrus County | 1.04% |
| City of Charlotte NC Water & Sewer System Revenue | 0.96% |
| Dallas Fort Worth International Airport | 0.96% |
| University of North Carolina at Chapel Hill | 0.95% |
| Greenville Utilities Commission | 0.95% |
| North Carolina Housing Finance Agency | 0.92% |
| Gastonia Housing Authority | 0.92% |
MBNCX Prospectus and SEC Filings
Official MFS North Carolina 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.