ACMG vs SPY
American Century Mid Cap Growth Insights ETF vs State Street SPDR S&P 500 ETF Trust
Which is better, ACMG or SPY?
Mid Cap Growth against Large Cap Blend.
SPY has a lower expense ratio. SPY led over 1Y. SPY is less concentrated, with 38.9% 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 | ACMG | SPY |
|---|---|---|
| Expense Ratio | 0.39% | 0.09%Best |
| AUM | $93M | $777.9B |
| Dividend Yield | 0.11% | 1.00% |
| Holdings | 35 | 1,011 |
| YTD Return | -12.25% | +8.47%Best |
| 1Y Return | - | +10.88% |
| 3Y Return (annualized) | - | +20.41% |
| 5Y Return (annualized) | - | +10.90% |
| Top 10 Weight | 52.3% | 38.9%Best |
| Fund Family | American Century Investments | State Street Investment Management |
| Category | Equity | Equity |
| Style | Mid Cap Growth | Large Cap Blend |
| Inception | Jul 13, 2020 | Jan 22, 1993 |
Not shown on this pair: Volatility (annualized), Max Drawdown, $10,000 over the window.
ACMG vs SPY 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.
ACMG vs SPY Performance
American Century Mid Cap Growth Insights ETF (ACMG) is an ETF from American Century Investments and State Street SPDR S&P 500 ETF Trust (SPY) is an ETF from State Street Investment Management. Year to date, ACMG is down 12.25% versus a gain of 8.47% for SPY.
Past performance does not guarantee future results.
Fees and Cost Over Time
ACMG charges 0.39% per year while SPY charges 0.09%. On a $10,000 position that is $39 vs $9 annually, a gap of $30 per year that compounds over a long holding period. On income, ACMG currently yields 0.11% against 1.00% for SPY.
Holdings Overlap
50.8% of ACMG's money is in holdings SPY also owns. 1.2% of SPY's money is in holdings ACMG also owns.
The two portfolios partly overlap.
16 positions in common, counted across the 34 positions we hold weights for in ACMG and 504 in SPY, against full books of 35 and 1,011.
What only one of them owns
Our book lists 483 positions for SPY that do not appear in our book for ACMG (98.5% of the fund), and 15 for ACMG that do not appear in SPY (42.5%).
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 ACMG | Weight in SPY | Difference |
|---|---|---|---|
| MPWRMonolithic Power Systems Inc | 5.47% | 0.09% | 5.38% |
| JCIJohnson Controls Intl Plc | 4.91% | 0.14% | 4.77% |
| CDNSCadence Design | 4.76% | 0.14% | 4.62% |
| TRGPTarga Resources Corp Preferred | 4.68% | 0.09% | 4.59% |
| CMGChipotle Mexican Grill Inc. Class A | 4.58% | 0.06% | 4.52% |
| HUBBHubbell Inc. Class B | 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% | 0.13% | 2.89% |
| RDDTReddit Inc Series C Pc Pp | 2.62% | 0.03% | 2.59% |
50.8% of ACMG is already inside SPY.
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, ACMG or SPY?
ACMG has an expense ratio of 0.39% while SPY charges 0.09%. SPY is the cheaper option, by $30 a year on a $10,000 investment.
What is the holdings overlap between ACMG and SPY?
50.8% of ACMG's money is in holdings SPY also owns. 1.2% of SPY's is in holdings ACMG also owns. They hold 16 positions in common, counted across the 34 positions we hold weights for in ACMG and 504 in SPY.
Which pays a higher dividend, ACMG or SPY?
ACMG yields 0.11% while SPY yields 1.00%, so SPY currently pays the higher dividend yield.
Is SPY better than ACMG?
SPY has a lower expense ratio. SPY led over 1Y. SPY is less concentrated, with 38.9% 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.