MFSI Performance — MFS Active International ETF
Data updated: 2026-07-27
MFSI returned +6.54% year to date and +18.18% over one year to May 2026. Over one year the fund trailed its International Large Blend category average: $100 grew to $118, against $122 for the category. Volatility over the past 12 months was 13.60% a year. In the 12 months to May 2026 the fund took in a net $736.0M, and assets reached $1.09B.
MFSI Growth of $100
What $100 invested in MFS Active International ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Large Blend category average over the same months.
| Period | MFSI | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $118 | $122 |
| Since data start (Dec 2024 – May 2026) | $130 | $136 |
MFSI Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +6.54% |
| 1 year | +18.18% |
MFSI Annual Returns
Calendar-year total returns of MFS Active International ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +6.54% |
| 2025 | +26.32% |
| 2024 (Dec–Dec) | −3.24% |
MFSI 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +2.1% | +4.2% | −9.4% | +6.5% | +3.7% | — | — | — | — | — | — | — |
| 2025 | +4.8% | +0.8% | −0.3% | +3.1% | +4.9% | +2.7% | −1.1% | +2.0% | +3.0% | +0.5% | +0.9% | +2.6% |
| 2024 | — | — | — | — | — | — | — | — | — | — | — | −3.2% |
MFSI Risk
Risk measures from monthly returns over Jun 2025 – May 2026.
- 1-year volatility (annualised): 13.60%
- Best month: +6.48% (Apr 2026)
- Worst month: −9.39% (Mar 2026)
MFSI Fund Flows
Monthly money in and out of MFS Active International ETF, from SEC Form N-PORT.
- 12-month net flow: $736.0M
- 12-month gross sales (incl. reinvestments): $739.6M
- Sales ÷ redemptions: 202.08×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $50.8M | $0 | $50.8M |
| Apr 2026 | $39.4M | $0 | $39.4M |
| Mar 2026 | $115.3M | $0 | $115.3M |
| Feb 2026 | $68.3M | $0 | $68.3M |
| Jan 2026 | $41.8M | $0 | $41.8M |
| Dec 2025 | $73.6M | $0 | $73.6M |
| Nov 2025 | $53.2M | $1.5M | $51.7M |
| Oct 2025 | $79.3M | $0 | $79.3M |
| Sep 2025 | $68.9M | $2.2M | $66.7M |
| Aug 2025 | $60.1M | $0 | $60.1M |
| Jul 2025 | $49.1M | $0 | $49.1M |
| Jun 2025 | $39.6M | $0 | $39.6M |
MFSI Assets Under Management
Net assets of MFS Active International ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $1.09B |
| 2026-02-28 | $873.13M |
| 2025-11-30 | $627.61M |
| 2025-08-31 | $408.53M |
| 2025-05-31 | $249.42M |
| 2025-02-28 | $160.86M |
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.