MMID — MFS Active Mid Cap ETF
Data updated: 2026-07-27
MMID — MFS Active Mid Cap ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Blend / Core Equity · $34.05M AUM · 0.59% expense ratio. From SEC regulatory filings.
MMID Fund Overview
MMID — MFS Active Mid Cap ETF is a US ETF managed by MFS Active Exchange Traded Funds Trust, categorised as United States Mid Cap Blend / Core Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: MFS Active Exchange Traded Funds Trust
- Category: United States Mid Cap Blend / Core Equity
- Assets under management: $34.05M
- Ticker: MMID
- SEC CIK: 0002018846
- SEC series ID: S000094824
- Share class ID: C000263368
MMID Holdings
Top 10 holdings of MFS Active Mid Cap ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| nVent Electric PLC | 1.96% |
| Seagate Technology Holdings PLC | 1.83% |
| Littelfuse Inc | 1.82% |
| Ross Stores Inc | 1.68% |
| Diamondback Energy Inc | 1.65% |
| Element Solutions Inc | 1.64% |
| Microchip Technology Inc | 1.59% |
| Global Payments Inc | 1.52% |
| Waters Corp | 1.51% |
| WW Grainger Inc | 1.45% |
MMID Portfolio Allocation
Asset-class allocation of MFS Active Mid Cap ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.3% |
| Cash & Equivalents | 1.9% |
MMID Performance
Total returns for MMID (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 2.7% |
MMID Costs and Fees
MMID costs about $59 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.59%
- Gross expense ratio: 0.59%
- Portfolio turnover: 8%
- Brokerage commissions: 0.33 bps of average net assets (SEC N-CEN)
MMID Cashflows
Over the 12 months to 2026-02, MFS Active Mid Cap ETF had net inflows of $32.05M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | $10.43K |
| 2026-01 | $0 |
| 2025-12 | $249.49K |
| 2025-11 | $5.11M |
| 2025-10 | $5.23M |
| 2025-09 | $21.44M |
MMID Debt Constituents
No individual debt constituents are reported in MFS Active Mid Cap ETF's latest SEC N-PORT filing.
MMID Prospectus and SEC Filings
Official MFS Active Mid Cap ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Mid Cap Blend / Core 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.