MRIBX Mutual Fund — MFS Research International Fund Class B

MFS Research International Fund Class B (MRIBX)

Updated October 15, 2026.

MRIBX is a Mutual Fund. its distribution rate is 0.52%, its trailing-12-month yield is 3.74%, its expense ratio is 1.74%. Dividend Vision Distribution Safety Score™ is 65/100 (Generally safe). Total return is 432.9% over the past 28.8 years, 769.7 points behind SPY at 1202.6%.

MFS Research International Fund Class B is a mutual fund that invests primarily in foreign equity securities across different industries, sectors, countries, and regions, including emerging markets. The fund has a low current distribution rate and pays distributions annually, with a recent special distribution. The fund carries an expense ratio of 1.74% and appeals to investors seeking international equity exposure with modest income generation.

MRIBX performance versus SPY

Price and return data through 2026-10-15.

Total return is 432.9% over the past 28.8 years, 769.7 points behind SPY at 1202.6%. Over the past year its total return — price change plus distributions reinvested — is 13.1%. Its deepest 1-year drawdown was 11.7%.

MRIBX key facts

Distribution Safety Score™

65 · Generally safe

Safety-Adjusted Yield

0.34%

Issuer

MFS

Asset type

Mutual Fund

Asset class

Equity

Inception date

01/02/1997

Expense ratio

1.74%

Distribution rate

0.52%

Distribution frequency

Annual

Trailing yield

3.74%

Last close

$28.05 (as of 2026-10-15)

NAV

$27.64 as of 2026-09-30; source eodhd (stale)

Premium / discount

N/A (price 2026-10-15, NAV 2026-09-30) (NAV stale)

AUM

$16,764,230,000

Average volume

0.0

Dividend

$1.049

Ex-dividend date

12/09/2025

Beta

0.83

How Dividend Vision calculates yield and returns

Distribution rate (0.52%) uses calculation basis unavailable. Issuer rates can use a different denominator and date, including ex-date NAV. Trailing-12-month yield (3.74%) is the sum of split-adjusted cash distributions with ex-dates in the last 12 months, divided by the published price. It lags a recent raise or cut. Total return uses split-adjusted close with distributions reinvested on the ex-dividend date (a modeling convention, not the cash-settlement date) from the first stored bar on or after inception through the latest bar, compared with the same window on the benchmark. That is the security's total return, not your personal gain/loss.

Yield and safety methodology · Distribution rate methodology · Distribution Safety Score methodology

Sources and review

Primary sources: MFS; prices and distributions from Dividend Vision, derived from vendor EOD data.

Reviewed by Bert Sweet, CEO and Co-owner of Dividend Vision. Methodology: Distribution Safety Score.

MRIBX risks and drawbacks

MRIBX's current distribution rate is moderate, not a high-yield payout — the strategy is dividend quality more than maximum income. Payments are annual, so cash flow is lumpy versus a monthly fund. Total return has trailed SPY over the available window. The deepest 1-year drawdown on record here is 11.7%.

Who may consider MRIBX — and who may not

It is a weaker fit for investors who need monthly cash flow (MRIBX pays annual); investors hunting double-digit covered-call yields; investors whose main goal is matching SPY total return. This is educational context, not a recommendation to buy or sell.

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Frequently asked questions

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