FMDE vs MMID
Fidelity Enhanced Mid Cap Core ETF vs MFS Active Mid Cap ETF
Which is better, FMDE or MMID?
FMDE has been ahead.
FMDE has a lower expense ratio. FMDE led over 1Y and the full window. FMDE is less concentrated, with 9.4% of the fund in its ten largest positions against 16.2%.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | FMDE | MMID |
|---|---|---|
| Expense Ratio | 0.23%Best | 0.59% |
| AUM | $8.1B | $36M |
| Dividend Yield | 1.07% | 0.99% |
| Holdings | 486 | 106 |
| YTD Return | +12.82%Best | +5.51% |
| 1Y Return | +16.39%Best | +6.40% |
| 3Y Return (annualized) | +19.84% | - |
| Volatility (annualized) | 10.8% | 10.5%Best |
| Max Drawdown | -8.3% | -7.9%Best |
| $10,000 over 1.1 years | $11,594Best | $10,724 |
| Top 10 Weight | 9.4%Best | 16.2% |
| Fund Family | Fidelity Investments (US) | MFS Investment Management |
| Category | Equity | Equity |
| Style | Mid Cap Blend | Mid Cap Blend |
| Inception | Nov 20, 2023 | Sep 24, 2025 |
Not shown on this pair: 5Y Return (annualized).
Volatility and max drawdown, and the $10,000 over 1.1 years row, are measured over the window both funds cover: Sep 24, 2025 to Oct 14, 2026 (1.1 years).
FMDE vs MMID growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view covers the 1.1 years both funds cover.
FMDE vs MMID Performance
Fidelity Enhanced Mid Cap Core ETF (FMDE) is an ETF from Fidelity Investments (US) and MFS Active Mid Cap ETF (MMID) is an ETF from MFS Investment Management. Over the past year FMDE returned +16.39% while MMID returned +6.40%. Year to date, FMDE is up 12.82% versus a gain of 5.51% for MMID.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
FMDE has been the more volatile fund, with annualized monthly volatility of 10.8% compared with 10.5% for MMID. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -8.3% for FMDE and -7.9% for MMID. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.89. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
FMDE charges 0.23% per year while MMID charges 0.59%. On a $10,000 position that is $23 vs $59 annually, a gap of $36 per year that compounds over a long holding period. On income, FMDE currently yields 1.07% against 0.99% for MMID.
Holdings Overlap
11.4% of FMDE's money is in holdings MMID also owns. 58.0% of MMID's money is in holdings FMDE also owns.
The two portfolios partly overlap.
55 positions in common, counted across the 482 positions we hold weights for in FMDE and 104 in MMID, against full books of 486 and 106.
What only one of them owns
Our book lists 41 positions for MMID that do not appear in our book for FMDE (34.3% of the fund), and 354 for FMDE that do not appear in MMID (84.1%).
Some of those will be the same company recorded under a different code in one of the two books, so the real difference in what you would own is no larger than this and may be smaller. We do not name the individual positions here for that reason.
Top Shared Holdings
| Stock | Weight in FMDE | Weight in MMID | Difference |
|---|---|---|---|
| GWWWw Grainger Inc. | 0.60% | 1.45% | 0.85% |
| LNGCheniere Energy Inc. | 0.30% | 1.70% | 1.40% |
| HPEHewlett Packard Enterprise Co | 0.63% | 1.36% | 0.73% |
| GPNGlobalpayments Inc. | 0.13% | 1.86% | 1.73% |
| BDXBecton Dickinson And Co. | 0.32% | 1.64% | 1.32% |
| AAgilent Technologies Inc | 0.27% | 1.69% | 1.42% |
| WABWestinghouse Air Brake Technologies Corp. | 0.45% | 1.48% | 1.03% |
| AIZAssurant, Inc. | 0.60% | 1.25% | 0.65% |
| PPLPpl Corp (Utilities) | 0.68% | 1.11% | 0.43% |
| WATWaters Corp. | 0.00% | 1.78% | 1.78% |
58.0% of MMID is already inside FMDE.
You probably hold more than these two. Add the rest and see how much of the whole book is the same companies twice.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, FMDE or MMID?
FMDE has an expense ratio of 0.23% while MMID charges 0.59%. FMDE is the cheaper option, by $36 a year on a $10,000 investment.
Which performed better, FMDE or MMID?
Over the past year FMDE returned +16.39% vs +6.40% for MMID, so FMDE leads on 1-year performance. Over the longest common window we track (1 years), FMDE annualized +14.39% vs +6.56% for MMID. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, FMDE or MMID?
FMDE has been the more volatile fund at 10.8% annualized versus 10.5% for MMID. Worst drawdown: FMDE -8.3% vs MMID -7.9%.
Should I hold both FMDE and MMID?
FMDE and MMID have a monthly-return correlation of 0.89, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
What is the holdings overlap between FMDE and MMID?
58.0% of MMID's money is in holdings FMDE also owns. 58.0% of MMID's is in holdings FMDE also owns. They hold 55 positions in common, counted across the 482 positions we hold weights for in FMDE and 104 in MMID.
Which pays a higher dividend, FMDE or MMID?
FMDE yields 1.07% while MMID yields 0.99%, so FMDE currently pays the higher dividend yield.
Is MMID better than FMDE?
FMDE has a lower expense ratio. FMDE led over 1Y and the full window. FMDE is less concentrated, with 9.4% of the fund in its ten largest positions against 16.2%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.