MMID vs VTI
MFS Active Mid Cap ETF vs Vanguard Morningstar Total Stock Market ETF
Which is better, MMID or VTI?
Mid Cap Blend against Large Cap Blend.
VTI has a lower expense ratio. VTI led over 1Y.
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 | MMID | VTI |
|---|---|---|
| Expense Ratio | 0.59% | 0.03%Best |
| AUM | $36M | $666.9B |
| Dividend Yield | 0.68% | 1.03% |
| Holdings | 106 | 3,543 |
| YTD Return | +6.62% | +12.57%Best |
| 1Y Return | +8.06% | +17.22%Best |
| 3Y Return (annualized) | - | +20.87% |
| 5Y Return (annualized) | - | +11.86% |
| Volatility (annualized) | 9.5%Best | 13.0% |
| Fund Family | MFS Investment Management | Vanguard (US) |
| Category | Equity | Equity |
| Style | Mid Cap Blend | Large Cap Blend |
| Inception | Sep 24, 2025 | May 24, 2001 |
Not shown on this pair: Max Drawdown, $10,000 over the window, Top 10 Weight.
MMID vs VTI 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 is available from the range buttons; it is not the opening view here because over the whole period one of these two funds moves so much further than the other that its line would sit flat on the axis.
MMID vs VTI Performance
MFS Active Mid Cap ETF (MMID) is an ETF from MFS Investment Management and Vanguard Morningstar Total Stock Market ETF (VTI) is an ETF from Vanguard (US). Over the past year MMID returned +8.06% while VTI returned +17.22%. Year to date, MMID is up 6.62% versus a gain of 12.57% for VTI.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
VTI has been the more volatile fund, with annualized monthly volatility of 13.0% compared with 9.5% for MMID. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The two funds' monthly returns correlate at 0.55. They move together some of the time, and apart the rest.
Fees and Cost Over Time
MMID charges 0.59% per year while VTI charges 0.03%. On a $10,000 position that is $59 vs $3 annually, a gap of $56 per year that compounds over a long holding period. On income, MMID currently yields 0.68% against 1.03% for VTI.
Holdings Overlap
At least 80.4% of MMID's money is in holdings VTI also owns.
Stated as a floor: for VTI, our book for it covers 90.6% of that fund, so a holding it does not list is one we cannot count as shared. The real figure is this or higher.
Most of MMID is already inside VTI. Owning both mostly buys the same companies twice.
The two holdings books were reported 49 days apart, MMID as of Aug 18, 2026 and VTI as of Jun 30, 2026, so some of the difference between them is the time between the two reports rather than the funds.
83 positions in common, counted across the 106 positions we hold weights for in MMID and 2,787 in VTI, against full books of 106 and 3,543.
Top Shared Holdings
| Stock | Weight in MMID | Weight in VTI | Difference |
|---|---|---|---|
| GPNGlobal Payments Inc. | 1.73% | 0.02% | 1.71% |
| FANGDiamondback Energy Inc. | 1.66% | 0.05% | 1.61% |
| LNGCheniere Energy Inc. | 1.57% | 0.07% | 1.50% |
| GWWWw Grainger Inc. | 1.54% | 0.08% | 1.46% |
| WATWaters Corp. | 1.52% | 0.05% | 1.47% |
| WABWestinghouse Air Brake Technologies Corp. | 1.50% | 0.06% | 1.44% |
| BDXBecton Dickinson And Co. | 1.45% | 0.06% | 1.39% |
| STESteris Plc | 1.43% | 0.03% | 1.40% |
| MTBM&t Bank Corp. | 1.38% | 0.05% | 1.33% |
| AAgilent Tech In 3.2 10/22 | 1.36% | 0.05% | 1.31% |
80.4% of MMID is already inside VTI.
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, MMID or VTI?
MMID has an expense ratio of 0.59% while VTI charges 0.03%. VTI is the cheaper option, by $56 a year on a $10,000 investment.
Which performed better, MMID or VTI?
Over the past year MMID returned +8.06% vs +17.22% for VTI, so VTI leads on 1-year performance. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, MMID or VTI?
VTI has been the more volatile fund at 13.0% annualized versus 9.5% for MMID.
Should I hold both MMID and VTI?
MMID and VTI have a monthly-return correlation of 0.55, 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 MMID and VTI?
At least 80.4% of MMID's money is in holdings VTI also owns. Our book for VTI is partial, so the real figure is this or higher. They hold 83 positions in common, counted across the 106 positions we hold weights for in MMID and 2,787 in VTI.
Which pays a higher dividend, MMID or VTI?
MMID yields 0.68% while VTI yields 1.03%, so VTI currently pays the higher dividend yield.
Is VTI better than MMID?
VTI has a lower expense ratio. VTI led over 1Y. Which one suits a particular account depends on what it is for. This is information, not a recommendation.