ECRIX Performance — MFS Research International Fund, Class 529C
Data updated: 2026-07-27
ECRIX returned +1.49% over one year to Feb 2022. Over one year the fund beat its International Mid-Cap Blend category average: $100 grew to $101, against $99 for the category. Volatility over the past 12 months was 12.41% a year. In the 12 months to May 2026 the fund lost a net $1.2B, and assets reached $17.76B.
ECRIX Growth of $100
What $100 invested in MFS Research International Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Mid-Cap Blend category average over the same months.
| Period | ECRIX | Category average |
|---|---|---|
| 1 year (Mar 2021 – Feb 2022) | $101 | $99 |
| Since data start (Sep 2019 – Feb 2022) | $127 | $126 |
ECRIX Trailing Returns
Total returns to Feb 2022, from SEC N-PORT.
| Period | Total return |
|---|---|
| 1 year | +1.49% |
| 3 years (annualised) | +10.00% |
ECRIX Annual Returns
Calendar-year total returns of MFS Research International Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2022 (Jan–Feb) | −8.65% |
| 2021 | +10.70% |
| 2020 | +12.03% |
| 2019 (Sep–Dec) | +12.02% |
ECRIX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | −5.4% | −3.4% | — | — | — | — | — | — | — | — | — | — |
| 2021 | −1.8% | +1.4% | +2.3% | +2.8% | +4.1% | −1.8% | +1.1% | +2.8% | −4.0% | +3.6% | −3.8% | +3.8% |
| 2020 | −2.0% | −6.8% | −12.3% | +6.2% | +5.5% | +3.7% | +3.7% | +4.8% | −1.3% | −4.2% | +11.5% | +4.9% |
| 2019 | — | — | — | — | — | — | — | — | +2.5% | +3.5% | +2.0% | +3.5% |
ECRIX Risk
Risk measures from monthly returns over Mar 2021 – Feb 2022.
- 1-year volatility (annualised): 12.41%
- Best month: +4.10% (May 2021)
- Worst month: −5.43% (Jan 2022)
ECRIX Fund Flows
Monthly money in and out of MFS Research International Fund, from SEC Form N-PORT.
- 12-month net flow: −$1.2B
- 12-month gross sales (incl. reinvestments): $1.6B
- Sales ÷ redemptions: 0.57×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $49.0M | $396.4M | −$347.4M |
| Apr 2026 | $48.1M | $205.8M | −$157.7M |
| Mar 2026 | $69.8M | $247.8M | −$177.9M |
| Feb 2026 | $53.7M | $468.4M | −$414.7M |
| Jan 2026 | $45.5M | $372.7M | −$327.2M |
| Dec 2025 | $947.4M | $394.2M | $553.2M |
| Nov 2025 | $37.0M | $195.4M | −$158.4M |
| Oct 2025 | $64.9M | $152.6M | −$87.6M |
| Sep 2025 | $55.3M | $110.3M | −$55.0M |
| Aug 2025 | $109.2M | $80.3M | $29.0M |
| Jul 2025 | $87.4M | $124.1M | −$36.7M |
| Jun 2025 | $61.6M | $110.9M | −$49.4M |
ECRIX Assets Under Management
Net assets of MFS Research International Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $17.76B |
| 2026-02-28 | $18.84B |
| 2025-11-30 | $17.69B |
| 2025-08-31 | $17.32B |
| 2025-05-31 | $17.10B |
| 2025-02-28 | $16.31B |
| 2024-11-30 | $16.09B |
| 2024-08-31 | $17.01B |
| 2024-05-31 | $16.62B |
| 2024-02-29 | $16.26B |
| 2023-11-30 | $15.67B |
| 2023-08-31 | $16.06B |
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.