C000030616 Fees and Costs — MFS Research International Portfolio, Class B

Data updated: 2026-08-27

The net expense ratio is 0.81%: a 0.71% management fee, a 0.25% 12b-1 fee plus 0.04% other expenses, less a 0.19% fee waiver. There are no sales loads or redemption fees. In fiscal 2025 the fund paid $435K in broker commissions, 0.0311% of average net assets, and portfolio turnover was 39%.

C000030616 Fees and Expenses

Annual operating expenses and sales charges of C000030616. Prospectus, as of December 31, 2025.

Annual operating expenses
Management fee0.71%
12b-1 fee0.25%
Other expenses0.04%
Gross expense ratio1.00%
Fee waiver−0.19%
Net expense ratio0.81%
Sales charges
Max front load—
Max deferred load—
Redemption fee—
Expense limitation in place (N-CEN)Yes
Fees waived or reduced during the yearYes
Waived fees subject to recoupmentNo

C000030616 Costs Over Time

On $10,000 invested in C000030616, assuming 5% a year before costs, total costs come to $528 over 5 years, cutting the return by 0.88% 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 0.81%)$85$266$462
Trading costs (broker commissions)$3$10$18
Lost growth on money paid in costs$0$14$48
Total costs$88$290$528
Value after costs$10,412$11,287$12,235
Impact on return, per year0.88%0.88%0.88%

C000030616 Trading Costs

Brokerage costs reported on SEC Form N-CEN for the fiscal year ending December 31, 2025.

  • Explicit cost rate (commissions ÷ average net assets): 0.0311%
  • Total broker commissions: $435K
  • Bought from dealers (principal trades, not a cost): —
  • Portfolio turnover (prospectus): 39%
  • Securities on loan, average value: $65.5M
  • Net income from securities lending: $142K (0.010% of average net assets)

C000030616 Agency Brokers

Commissions paid.

BrokerAmountShare
BofA Securities, Inc.$82K21.41%
Jefferies LLC$49K12.92%
Morgan Stanley & Co. LLC$46K12.05%
J.P. Morgan Securities LLC$46K11.98%
Goldman Sachs & Co. LLC$43K11.24%
BNP Paribas Securities Corp.$35K9.22%
RBC Capital Markets, LLC$34K8.91%
UBS Securities LLC$20K5.35%
Citigroup Global Markets Inc.$15K3.98%
Mizuho Securities USA LLC$11K2.93%

MFS Research International Portfolio Share Classes

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

TickerClassNet expense ratioFront load
C000030615Class A0.56%—
C000030618Class E0.71%—
C000030616Class B0.81%—

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.