MRSKX — MFS Research International Fund
Data updated: 2026-07-27
MRSKX — MFS Research International Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Developed ex-US Financials Equity · $17.76B AUM · 0.64% expense ratio · 28.6% 1-yr return. From SEC regulatory filings.
MRSKX Fund Overview
MRSKX — MFS Research International Fund is a US mutual fund managed by Mfs Series Trust I, categorised as Developed ex-US Financials Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Mfs Series Trust I
- Category: Developed ex-US Financials Equity
- Assets under management: $17.76B
- 1-year return: 28.6%
- Ticker: MRSKX
- SEC CIK: 0000798244
- SEC series ID: S000000766
- Share class ID: C000034436
MRSKX Holdings
Top 10 holdings of MFS Research International Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Mizuho Financial Group Inc | 2.90% |
| Schneider Electric SE | 2.82% |
| Hitachi Ltd | 2.45% |
| ASML Holding NV | 2.21% |
| Taiwan Semiconductor Manufacturing Co Ltd | 2.21% |
| Novartis AG | 2.12% |
| TotalEnergies SE | 2.10% |
| Tokyo Electron Ltd | 1.90% |
| AstraZeneca PLC | 1.78% |
| Linde PLC | 1.76% |
MRSKX Portfolio Allocation
Asset-class allocation of MFS Research International Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.7% |
| Cash & Equivalents | 1.6% |
MRSKX Performance
Total returns for MRSKX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 11.0% |
| 1 year | 28.6% |
| 3 years (annualised) | 15.3% |
| 5 years (annualised) | 8.2% |
MRSKX Risk Information
Risk metrics for MRSKX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 8.6%
MRSKX Costs and Fees
MRSKX costs about $64 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.64%
- Gross expense ratio: 0.65%
- Portfolio turnover: 27%
- Brokerage commissions: 1.90 bps of average net assets (SEC N-CEN)
MRSKX Cashflows
Over the 12 months to 2026-02, MFS Research International Fund had net outflows of $925.48M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | −$414.72M |
| 2026-01 | −$327.20M |
| 2025-12 | $553.21M |
| 2025-11 | −$158.44M |
| 2025-10 | −$87.64M |
| 2025-09 | −$55.02M |
MRSKX Debt Constituents
No individual debt constituents are reported in MFS Research International Fund's latest SEC N-PORT filing.
MRSKX Prospectus and SEC Filings
Official MFS Research International Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Developed ex-US Financials Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.