MID vs VOO
American Century Mid Cap Growth Impact ETF vs Vanguard S&P 500 ETF
Which is better, MID or VOO?
Mid Cap Growth against Large Cap Blend.
VOO has a lower expense ratio. VOO led over 1Y, 3Y, 5Y and the full window. VOO is less concentrated, with 37.6% of the fund in its ten largest positions against 52.3%.
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 | MID | VOO |
|---|---|---|
| Expense Ratio | 0.39% | 0.03%Best |
| AUM | $103M | $997.4B |
| Dividend Yield | 0.14% | 1.04% |
| Holdings | 35 | 509 |
| YTD Return | +7.54% | +13.21%Best |
| 1Y Return | +5.54% | +17.37%Best |
| 3Y Return (annualized) | +16.97% | +22.66%Best |
| 5Y Return (annualized) | +3.50% | +13.14%Best |
| Volatility (annualized) | 20.4% | 15.5%Best |
| Max Drawdown | -40.1% | -24.5%Best |
| $10,000 over 5 years | $11,877 | $18,539Best |
| Top 10 Weight | 52.3% | 37.6%Best |
| Fund Family | American Century Investments | Vanguard (US) |
| Category | Equity | Equity |
| Style | Mid Cap Growth | Large Cap Blend |
| Inception | Jul 15, 2020 | Sep 7, 2010 |
Volatility and max drawdown are measured over the window both funds cover: Jul 15, 2020 to Sep 24, 2026 (6.2 years).
MID vs VOO 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 6.2 years both funds cover.
MID vs VOO Performance
American Century Mid Cap Growth Impact ETF (MID) is an ETF from American Century Investments and Vanguard S&P 500 ETF (VOO) is an ETF from Vanguard (US). Over the past year MID returned +5.54% while VOO returned +17.37%. Year to date, MID is up 7.54% versus a gain of 13.21% for VOO.
Over three years, MID compounded at +16.97% per year against +22.66% for VOO; over five years the annualized figures are +3.50% and +13.14% respectively. Across the full 6-year window we track, VOO has the edge at +16.57% annualized vs +9.73%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
MID has been the more volatile fund, with annualized monthly volatility of 20.4% compared with 15.5% for VOO. 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 -40.1% for MID and -24.5% for VOO. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.83. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
MID charges 0.39% per year while VOO charges 0.03%. On a $10,000 position that is $39 vs $3 annually, a gap of $36 per year that compounds over a long holding period. On income, MID currently yields 0.14% against 1.04% for VOO.
Holdings Overlap
45.6% of MID's money is in holdings VOO also owns. 1.2% of VOO's money is in holdings MID also owns.
The two portfolios partly overlap.
14 positions in common, counted across the 34 positions we hold weights for in MID and 494 in VOO, against full books of 35 and 509.
What only one of them owns
Our book lists 473 positions for VOO that do not appear in our book for MID (98.0% of the fund), and 17 for MID that do not appear in VOO (47.6%).
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 MID | Weight in VOO | Difference |
|---|---|---|---|
| MPWRMonolithic Power Systems Inc | 5.47% | 0.11% | 5.36% |
| JCIJohnson Controls Intl Plc | 4.91% | 0.14% | 4.77% |
| CDNSCadence Design Systems Inc. | 4.76% | 0.15% | 4.61% |
| TRGPTarga Resources Corp Preferred | 4.68% | 0.09% | 4.59% |
| CMGChipotle Mexican Grill Inc. Class A | 4.58% | 0.07% | 4.51% |
| HUBBHubbell Inc | 4.19% | 0.04% | 4.15% |
| HLTHilton Worldwide Holdings, Inc. | 3.82% | 0.11% | 3.71% |
| VSTVistra Energy Corp. | 3.17% | 0.07% | 3.10% |
| VRTVertiv Holdings Co | 3.02% | 0.14% | 2.88% |
| IDXXIdexx Labs | 2.24% | 0.07% | 2.17% |
45.6% of MID is already inside VOO.
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, MID or VOO?
MID has an expense ratio of 0.39% while VOO charges 0.03%. VOO is the cheaper option, by $36 a year on a $10,000 investment.
Which performed better, MID or VOO?
Over the past year MID returned +5.54% vs +17.37% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (6 years), MID annualized +9.73% vs +16.57% for VOO. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, MID or VOO?
MID has been the more volatile fund at 20.4% annualized versus 15.5% for VOO. Worst drawdown: MID -40.1% vs VOO -24.5%.
Should I hold both MID and VOO?
MID and VOO have a monthly-return correlation of 0.83, 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 MID and VOO?
45.6% of MID's money is in holdings VOO also owns. 1.2% of VOO's is in holdings MID also owns. They hold 14 positions in common, counted across the 34 positions we hold weights for in MID and 494 in VOO.
Which pays a higher dividend, MID or VOO?
MID yields 0.14% while VOO yields 1.04%, so VOO currently pays the higher dividend yield.
Is VOO better than MID?
VOO has a lower expense ratio. VOO led over 1Y, 3Y, 5Y and the full window. VOO is less concentrated, with 37.6% of the fund in its ten largest positions against 52.3%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.