MBCAX Fees and Costs — MFS California 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 0.15% other expenses, less a 0.19% fee waiver. This share class carries a deferred sales charge of up to 4.00%. Portfolio turnover was 15%.

MBCAX Fees and Expenses

Annual operating expenses and sales charges of MBCAX. Prospectus, as of March 31, 2026.

Annual operating expenses
Management fee0.45%
12b-1 fee1.00%
Other expenses0.15%
Gross expense ratio1.60%
Fee waiver−0.19%
Net expense ratio1.41%
Sales charges
Max front load0.00%
Max deferred load4.00%
Redemption fee—
Expense limitation in place (N-CEN)Yes
Fees waived or reduced during the yearYes
Waived fees subject to recoupmentNo

MBCAX Costs Over Time

On $10,000 invested in MBCAX, 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 investedSell after 1 yearSell after 3 yearsSell 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 year5.62%1.48%1.48%

MBCAX 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): $267.3M
  • Portfolio turnover (prospectus): 15%
  • Securities lending: none during the year

MBCAX Dealer Counterparties

Securities bought directly from dealers (principal trades).

BrokerAmountShare
Piper Sandler & Co.$28.2M15.16%
Goldman Sachs & Co. LLC$27.9M15.00%
Stifel, Nicolaus & Company, Incorporated$27.9M14.97%
BofA Securities, Inc.$25.5M13.72%
Morgan Stanley & Co. LLC$18.8M10.12%
Wells Fargo Securities, LLC$16.3M8.74%
Oppenheimer & Co. Inc.$11.5M6.16%
B. C. Ziegler and Company$10.3M5.53%
RBC Capital Markets, LLC$10.0M5.36%
Raymond James & Associates, Inc.$9.8M5.24%

MFS California Municipal Bond Fund Share Classes

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

TickerClassNet expense ratioFront load
MPOAXClass R60.50%none
MCAVXClass I0.56%none
MCFTXClass A0.66%4.25%
MBCAXClass B1.41%none
MCCAXClass C1.56%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.