MIAAX Fees and Costs — MFS Inflation-Adjusted Bond Fund, Class A
Data updated: 2026-09-24
The net expense ratio is 0.65%: a 0.45% management fee, a 0.25% 12b-1 fee plus 0.13% other expenses, less a 0.18% fee waiver. This share class carries a maximum front-end sales load of 4.25% and a deferred sales charge of up to 1.00%. In fiscal 2025 the fund paid $53K in broker commissions, 0.0035% of average net assets, and portfolio turnover was 38%.
MIAAX Fees and Expenses
Annual operating expenses and sales charges of MIAAX. Prospectus, as of October 31, 2025.
| Annual operating expenses | |
|---|---|
| Management fee | 0.45% |
| 12b-1 fee | 0.25% |
| Other expenses | 0.13% |
| Gross expense ratio | 0.83% |
| Fee waiver | −0.18% |
| Net expense ratio | 0.65% |
| Sales charges | |
|---|---|
| Max front load | 4.25% |
| Max deferred load | 1.00% |
| Redemption fee | — |
| Expense limitation in place (N-CEN) | Yes |
| Fees waived or reduced during the year | Yes |
| Waived fees subject to recoupment | No |
MIAAX Costs Over Time
On $10,000 invested in MIAAX, assuming 5% a year before costs, total costs come to $937 over 5 years, cutting the return by 1.59% 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 | $525 | $425 | $425 |
| Fund expenses (net expense ratio 0.65%) | $65 | $205 | $356 |
| Trading costs (broker commissions) | $0 | $1 | $2 |
| Lost growth on money paid in costs | $21 | $77 | $153 |
| Total costs | $612 | $708 | $937 |
| Value after costs | $9,888 | $10,868 | $11,826 |
| Impact on return, per year | 6.12% | 2.19% | 1.59% |
MIAAX Trading Costs
Brokerage costs reported on SEC Form N-CEN for the fiscal year ending October 31, 2025.
- Explicit cost rate (commissions ÷ average net assets): 0.0035%
- Total broker commissions: $53K
- Bought from dealers (principal trades, not a cost): $2.0B
- Portfolio turnover (prospectus): 38%
- Securities lending: none during the year
MIAAX Agency Brokers
Commissions paid.
| Broker | Amount | Share |
|---|---|---|
| BofA Securities, Inc. | $53K | 100.00% |
MIAAX Dealer Counterparties
Securities bought directly from dealers (principal trades).
| Broker | Amount | Share |
|---|---|---|
| BofA Securities, Inc. | $957.7M | 50.71% |
| BMO Capital Markets Corp. | $226.8M | 12.01% |
| BNP Paribas Securities Corp. | $150.4M | 7.97% |
| Morgan Stanley & Co. LLC | $145.9M | 7.72% |
| Citigroup Global Markets Inc. | $126.8M | 6.72% |
| J.P. Morgan Securities LLC | $114.8M | 6.08% |
| BNY Capital Markets, LLC | $62.4M | 3.31% |
| Wells Fargo Securities, LLC | $43.0M | 2.28% |
| Nomura Securities International, Inc. | $34.9M | 1.85% |
| Barclays Capital Inc. | $25.7M | 1.36% |
MFS Inflation-Adjusted 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 |
|---|---|---|---|
| MIAKX | Class R6 | 0.41% | none |
| MIAIX | Class I | 0.50% | none |
| MIAJX | Class R4 | 0.50% | none |
| MIAAX | Class A | 0.65% | 4.25% |
| MIAHX | Class R3 | 0.75% | none |
| MIATX | Class R2 | 1.00% | none |
| MIABX | Class B | 1.40% | none |
| MIACX | Class C | 1.50% | none |
| MIALX | Class R1 | 1.50% | 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.