FXAIX vs IVV
Fidelity 500 Index Fund vs iShares Core S&P 500 ETF
Which is better, FXAIX or IVV?
Nearly the same fund. FXAIX costs less.
FXAIX has a lower expense ratio. FXAIX led over the full window, IVV over 1Y, 3Y and 5Y. The two have moved almost in lockstep, correlation 0.99. FXAIX is less concentrated, with 36.4% of the fund in its ten largest positions against 38.1%.
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 | FXAIX | IVV |
|---|---|---|
| Expense Ratio | 0.02%Best | 0.03% |
| AUM | $594.0B | $882.6B |
| Dividend Yield | 1.03% | 1.06% |
| Holdings | 512 | 508 |
| YTD Price Return | +13.95%Best | +13.88% |
| 1Y Price Return | +16.03% | +17.29%Best |
| 3Y Price Return (annualized) | +21.53% | +21.73%Best |
| 5Y Price Return (annualized) | +12.41% | +12.42%Best |
| Volatility (annualized) | 15.2%Best | 15.6% |
| Max Drawdown | -25.4%Tie | -25.4%Tie |
| $10,000 over 5 years | $17,948 | $17,956Best |
| Top 10 Weight | 36.4%Best | 38.1% |
| Fund Family | Fidelity Investments (US) | iShares by BlackRock (US) |
| Category | Equity | Equity |
| Style | Large Cap Blend | Large Cap Blend |
| Inception | May 4, 2011 | May 15, 2000 |
Returns are price returns and exclude distributions, because our data feed carries no adjusted close for FXAIX. Both funds are measured the same way, so the comparison holds. FXAIX yields 1.03% and IVV 1.06% on top.
Volatility and max drawdown are measured over the window both funds cover: Oct 13, 2021 to Oct 9, 2026 (5 years).
FXAIX 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 covers the 5 years both funds cover. Prices exclude distributions, on both funds alike.
FXAIX vs IVV Performance
Fidelity 500 Index Fund (FXAIX) is a mutual fund from Fidelity Investments (US) and iShares Core S&P 500 ETF (IVV) is an ETF from iShares by BlackRock (US). Over the past year FXAIX returned +16.03% while IVV returned +17.29%. Year to date, FXAIX is up 13.95% versus a gain of 13.88% for IVV.
Over three years, FXAIX compounded at +21.53% per year against +21.73% for IVV; over five years the annualized figures are +12.41% and +12.42% respectively.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
IVV has been the more volatile fund, with annualized monthly volatility of 15.6% compared with 15.2% for FXAIX. 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 -25.4% for FXAIX and -25.4% for IVV. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.99. They move almost in lockstep, so holding both mostly duplicates the same exposure.
Fees and Cost Over Time
FXAIX charges 0.02% per year while IVV charges 0.03%. On a $10,000 position that is $2 vs $3 annually, a gap of $1 per year that compounds over a long holding period. On income, FXAIX currently yields 1.03% against 1.06% for IVV.
Structure and taxes
FXAIX is a mutual fund and IVV is an ETF. A mutual fund prices once a day at net asset value and may carry a purchase minimum. An ETF trades through the day at whatever the market pays for it.
In a taxable account the difference that usually matters is distributions. An ETF can meet redemptions in kind, so it rarely has to sell holdings and rarely passes a capital gain to the people who held it; a mutual fund that sells holdings to meet redemptions can distribute a realised gain at year end to everyone still in the fund, whether or not they sold anything themselves. In a tax-deferred account that difference largely disappears. Both are descriptions of how the two wrappers work, not a recommendation.
Tax-loss harvesting works on either wrapper.
Holdings Overlap
98.8% of FXAIX's money is in holdings IVV also owns. 98.5% of IVV's money is in holdings FXAIX also owns.
Most of FXAIX is already inside IVV. Owning both mostly buys the same companies twice.
The two holdings books were reported 73 days apart, FXAIX as of Jun 30, 2026 and IVV as of Sep 11, 2026, so some of the difference between them is the time between the two reports rather than the funds.
492 positions in common, counted across the 508 positions we hold weights for in FXAIX and 505 in IVV, against full books of 512 and 508.
What only one of them owns
Our book lists 7 positions for IVV that do not appear in our book for FXAIX (0.8% of the fund), and 7 for FXAIX that do not appear in IVV (0.7%).
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 FXAIX | Weight in IVV | Difference |
|---|---|---|---|
| NVDANvidia Corp | 7.51% | 8.00% | 0.49% |
| AAPLApple, Inc | 6.59% | 7.39% | 0.80% |
| MSFTMicrosoft Corp | 4.30% | 5.57% | 1.27% |
| AMZNAmazon.Com Inc | 3.62% | 3.80% | 0.18% |
| GOOGLAlphabet Inc,class A | 3.25% | 3.00% | 0.25% |
| AVGOBroadcom Inc | 2.77% | 2.59% | 0.18% |
| GOOGAlphabet Inc. C | 2.59% | 2.40% | 0.19% |
| METAMeta Platforms Inc | 1.92% | 2.15% | 0.23% |
| MUMicron Technology, Inc. | 2.02% | 1.66% | 0.36% |
| TSLATesla Inc | 1.84% | 1.56% | 0.28% |
98.8% of FXAIX is already inside IVV.
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, FXAIX or IVV?
FXAIX has an expense ratio of 0.02% while IVV charges 0.03%. FXAIX is the cheaper option, by $1 a year on a $10,000 investment.
Which performed better, FXAIX or IVV?
Over the past year FXAIX returned +16.03% vs +17.29% 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, FXAIX or IVV?
IVV has been the more volatile fund at 15.6% annualized versus 15.2% for FXAIX. Worst drawdown: FXAIX -25.4% vs IVV -25.4%.
Should I hold both FXAIX and IVV?
FXAIX and IVV have a monthly-return correlation of 0.99, so they move almost identically. What is left to separate them is the fee and the index each one tracks. This is information, not a recommendation.
What is the holdings overlap between FXAIX and IVV?
98.8% of FXAIX's money is in holdings IVV also owns. 98.5% of IVV's is in holdings FXAIX also owns. They hold 492 positions in common, counted across the 508 positions we hold weights for in FXAIX and 505 in IVV.
Which pays a higher dividend, FXAIX or IVV?
FXAIX yields 1.03% while IVV yields 1.06%, so IVV currently pays the higher dividend yield.
Is it better to hold FXAIX or IVV in a taxable account?
IVV is an ETF and FXAIX is a mutual fund. An ETF can meet redemptions in kind, so it rarely distributes a capital gain to the people holding it. A mutual fund that sells holdings to meet redemptions can pass a realised gain to every holder at year end. In a tax-deferred account that difference largely disappears. This is information, not a recommendation.
Is IVV better than FXAIX?
FXAIX has a lower expense ratio. FXAIX led over the full window, IVV over 1Y, 3Y and 5Y. The two have moved almost in lockstep, correlation 0.99. FXAIX is less concentrated, with 36.4% of the fund in its ten largest positions against 38.1%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.