ACSG vs IVV
American Century Small Cap Growth Insights ETF vs iShares Core S&P 500 ETF
Which is better, ACSG or IVV?
Small Cap Growth against Large Cap Blend.
IVV has a lower expense ratio. IVV led over 1Y. ACSG is less concentrated, with 8.5% of the fund in its ten largest positions against 38.9%.
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 | ACSG | IVV |
|---|---|---|
| Expense Ratio | 0.49% | 0.03%Best |
| AUM | $52M | $896.5B |
| Dividend Yield | 0.00% | 1.10% |
| Holdings | 311 | 508 |
| YTD Return | +8.14% | +13.59%Best |
| 1Y Return | +10.51% | +17.54%Best |
| 3Y Return (annualized) | - | +22.46% |
| 5Y Return (annualized) | - | +13.28% |
| Volatility (annualized) | 19.1% | 13.2%Best |
| Top 10 Weight | 8.5%Best | 38.9% |
| Fund Family | American Century ETFs | iShares by BlackRock (US) |
| Category | Equity | Equity |
| Style | Small Cap Growth | Large Cap Blend |
| Inception | Oct 14, 2025 | May 15, 2000 |
Not shown on this pair: Max Drawdown, $10,000 over the window.
ACSG vs IVV 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.
ACSG vs IVV Performance
American Century Small Cap Growth Insights ETF (ACSG) is an ETF from American Century ETFs and iShares Core S&P 500 ETF (IVV) is an ETF from iShares by BlackRock (US). Over the past year ACSG returned +10.51% while IVV returned +17.54%. Year to date, ACSG is up 8.14% versus a gain of 13.59% for IVV.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
ACSG has been the more volatile fund, with annualized monthly volatility of 19.1% compared with 13.2% for IVV. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The two funds' monthly returns correlate at 0.78. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
ACSG charges 0.49% per year while IVV charges 0.03%. On a $10,000 position that is $49 vs $3 annually, a gap of $46 per year that compounds over a long holding period. On income, ACSG currently yields 0.00% against 1.10% for IVV.
Holdings Overlap
We hold position weights for 309 holdings in ACSG and 506 in IVV, totalling 100.0% and 99.9% of the two funds. The two books name no position in common, so there is no overlap percentage to show.
0 positions in common, counted across the 309 positions we hold weights for in ACSG and 506 in IVV, against full books of 311 and 508.
What only one of them owns
Our book lists 500 positions for IVV that do not appear in our book for ACSG (99.4% of the fund), and 287 for ACSG that do not appear in IVV (94.2%).
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.
You are not choosing between two funds in isolation.
Whichever of ACSG and IVV you pick has to sit alongside everything else you own. Add the rest and see what the combination actually holds.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, ACSG or IVV?
ACSG has an expense ratio of 0.49% while IVV charges 0.03%. IVV is the cheaper option, by $46 a year on a $10,000 investment.
Which performed better, ACSG or IVV?
Over the past year ACSG returned +10.51% vs +17.54% for IVV, so IVV leads on 1-year performance. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, ACSG or IVV?
ACSG has been the more volatile fund at 19.1% annualized versus 13.2% for IVV.
Should I hold both ACSG and IVV?
ACSG and IVV have a monthly-return correlation of 0.78, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
Which pays a higher dividend, ACSG or IVV?
ACSG yields 0.00% while IVV yields 1.10%, so IVV currently pays the higher dividend yield.
Is IVV better than ACSG?
IVV has a lower expense ratio. IVV led over 1Y. ACSG is less concentrated, with 8.5% of the fund in its ten largest positions against 38.9%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.