MMID Performance — MFS Active Mid Cap ETF
Data updated: 2026-07-27
In the 12 months to May 2026 the fund took in a net $33.1M, and assets reached $34.05M.
MMID Growth of $100
What $100 invested in MFS Active Mid Cap ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Mid-Cap Blend category average over the same months.
| Period | MMID | Category average |
|---|---|---|
| Since data start (Sep 2025 – May 2026) | $103 | $113 |
MMID Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +2.74% |
MMID Annual Returns
Calendar-year total returns of MFS Active Mid Cap ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +2.74% |
| 2025 (Sep–Dec) | +0.43% |
MMID 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 | +3.1% | +1.4% | −5.5% | +4.0% | 0.0% | — | — | — | — | — | — | — |
| 2025 | — | — | — | — | — | — | — | — | +0.2% | −1.5% | +1.8% | 0.0% |
MMID Risk
Risk measures from monthly returns over Sep 2025 – May 2026.
- Best month: +4.02% (Apr 2026)
- Worst month: −5.52% (Mar 2026)
MMID Fund Flows
Monthly money in and out of MFS Active Mid Cap ETF, from SEC Form N-PORT.
- 12-month net flow: $33.1M
- 12-month gross sales (incl. reinvestments): $34.8M
- Sales ÷ redemptions: 19.87×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $0 | $0 | $0 |
| Apr 2026 | $512K | $0 | $512K |
| Mar 2026 | $752K | $245K | $506K |
| Feb 2026 | $525K | $515K | $10K |
| Jan 2026 | $0 | $0 | $0 |
| Dec 2025 | $249K | $0 | $249K |
| Nov 2025 | $5.6M | $490K | $5.1M |
| Oct 2025 | $5.7M | $502K | $5.2M |
| Sep 2025 | $21.4M | $0 | $21.4M |
MMID Assets Under Management
Net assets of MFS Active Mid Cap ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $34.05M |
| 2026-02-28 | $33.68M |
| 2025-11-30 | $32.05M |
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 Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date.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.