MFIWX Fees and Costs — MFS Income Fund, Class R6

Data updated: 2026-09-28

The net expense ratio is 0.40%: a 0.42% management fee plus 0.04% other expenses, less a 0.06% fee waiver. There are no sales loads or redemption fees. In fiscal 2025 the fund paid $264K in broker commissions, 0.0040% of average net assets, and portfolio turnover was 26%.

MFIWX Fees and Expenses

Annual operating expenses and sales charges of MFIWX. Prospectus, as of October 31, 2025.

Annual operating expenses
Management fee0.42%
12b-1 fee0.00%
Other expenses0.04%
Gross expense ratio0.46%
Fee waiver−0.06%
Net expense ratio0.40%
Sales charges
Max front load0.00%
Max deferred load0.00%
Redemption fee—
Expense limitation in place (N-CEN)Yes
Fees waived or reduced during the yearYes
Waived fees subject to recoupmentNo

MFIWX Costs Over Time

On $10,000 invested in MFIWX, assuming 5% a year before costs, total costs come to $256 over 5 years, cutting the return by 0.42% a year. Illustration, not a forecast: it assumes today's net expense ratio throughout (a fee waiver may end).

$10,000 investedSell after 1 yearSell after 3 yearsSell after 5 years
Value before costs$10,500$11,576$12,763
Fund expenses (net expense ratio 0.40%)$42$132$230
Trading costs (broker commissions)$0$1$2
Lost growth on money paid in costs$0$7$23
Total costs$42$140$256
Value after costs$10,458$11,437$12,507
Impact on return, per year0.42%0.42%0.42%

MFIWX 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): 0.0040%
  • Total broker commissions: $264K
  • Bought from dealers (principal trades, not a cost): $4.7B
  • Portfolio turnover (prospectus): 26%
  • Securities lending: none during the year

MFIWX Agency Brokers

Commissions paid.

BrokerAmountShare
Merrill Lynch, Pierce, Fenner & Smith Inc.$264K100.00%

MFIWX Dealer Counterparties

Securities bought directly from dealers (principal trades).

BrokerAmountShare
J.P. Morgan Securities LLC$613.1M17.96%
Citigroup Global Markets Inc.$564.1M16.53%
BofA Securities, Inc.$454.7M13.32%
Morgan Stanley & Co. LLC$430.2M12.60%
Goldman Sachs & Co. LLC$348.5M10.21%
Mizuho Securities USA LLC$269.4M7.89%
Barclays Capital, Inc.$205.6M6.02%
RBC Capital Markets, LLC$189.0M5.54%
Natwest Markets Securities Inc.$177.4M5.20%
Wells Fargo Securities, LLC$161.3M4.73%

MFS Income Fund Share Classes

Net expense ratio and maximum front-end load of each share class, cheapest first.

TickerClassNet expense ratioFront load
MFIWXClass R60.40%none
MFIIXClass I0.48%none
MFIOXClass A0.73%4.25%
MIOBXClass B1.48%none
MIOCXClass C1.48%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.