MBMSX Fees and Costs — MFS Mississippi Municipal Bond Fund, Class B
Data updated: 2026-08-25
The net expense ratio is 1.41%: a 0.45% management fee, a 1.00% 12b-1 fee plus 0.43% other expenses, less a 0.47% fee waiver. This share class carries a deferred sales charge of up to 4.00%. Portfolio turnover was 7%.
MBMSX Fees and Expenses
Annual operating expenses and sales charges of MBMSX. Prospectus, as of March 31, 2026.
| Annual operating expenses | |
|---|---|
| Management fee | 0.45% |
| 12b-1 fee | 1.00% |
| Other expenses | 0.43% |
| Gross expense ratio | 1.88% |
| Fee waiver | −0.47% |
| Net expense ratio | 1.41% |
| Sales charges | |
|---|---|
| Max front load | 0.00% |
| Max deferred load | 4.00% |
| Redemption fee | — |
| Expense limitation in place (N-CEN) | Yes |
| Fees waived or reduced during the year | Yes |
| Waived fees subject to recoupment | No |
MBMSX Costs Over Time
On $10,000 invested in MBMSX, assuming 5% a year before costs, total costs come to $875 over 5 years, cutting the return by 1.48% a year. Illustration, not a forecast: it assumes today's net expense ratio throughout (a fee waiver may end).
| $10,000 invested | Sell after 1 year | Sell after 3 years | Sell after 5 years |
|---|---|---|---|
| Value before costs | $10,500 | $11,576 | $12,763 |
| Sales charges | $414 | $0 | $0 |
| Fund expenses (net expense ratio 1.41%) | $148 | $460 | $794 |
| Lost growth on money paid in costs | $0 | $23 | $81 |
| Total costs | $562 | $483 | $875 |
| Value after costs | $9,938 | $11,093 | $11,888 |
| Impact on return, per year | 5.62% | 1.48% | 1.48% |
MBMSX Trading Costs
Brokerage costs reported on SEC Form N-CEN for the fiscal year ending March 31, 2026.
- Explicit cost rate (commissions ÷ average net assets): —
- Total broker commissions: —
- Bought from dealers (principal trades, not a cost): $14.6M
- Portfolio turnover (prospectus): 7%
- Securities lending: none during the year
MBMSX Dealer Counterparties
Securities bought directly from dealers (principal trades).
| Broker | Amount | Share |
|---|---|---|
| Raymond James & Associates, Inc. | $2.5M | 21.96% |
| ICE Securities Execution & Clearing, LLC | $2.0M | 17.43% |
| Wells Fargo Securities, LLC | $1.8M | 16.01% |
| FMSBONDS, INC. | $1.0M | 8.75% |
| TD SECURITIES (USA) LLC | $900K | 7.79% |
| Pershing LLC | $775K | 6.71% |
| Deutsche Bank Securities Inc. | $752K | 6.51% |
| Jefferies LLC | $617K | 5.34% |
| Oppenheimer & Co. Inc. | $586K | 5.07% |
| RBC Capital Markets, LLC | $510K | 4.42% |
MFS Mississippi Municipal Bond Fund Share Classes
Net expense ratio and maximum front-end load of each share class, cheapest first.
| Ticker | Class | Net expense ratio | Front load |
|---|---|---|---|
| MPMSX | Class R6 | 0.60% | none |
| MMSTX | Class I | 0.66% | none |
| MISSX | Class A | 0.76% | 4.25% |
| MBMSX | Class B | 1.41% | none |
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.