IVV vs SIZE
iShares Core S&P 500 ETF vs iShares MSCI USA Size Factor ETF
Which is better, IVV or SIZE?
Nearly the same fund. IVV costs less.
IVV has a lower expense ratio. IVV led over 1Y, 3Y, 5Y and the full window. The two have moved almost in lockstep, correlation 0.95. SIZE is less concentrated, with 3.0% of the fund in its ten largest positions against 37.9%.
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 | IVV | SIZE |
|---|---|---|
| Expense Ratio | 0.03%Best | 0.15% |
| AUM | $876.4B | $434M |
| Dividend Yield | 1.06% | 1.33% |
| Holdings | 508 | 533 |
| YTD Return | +12.51%Best | +10.82% |
| 1Y Return | +17.57%Best | +12.44% |
| 3Y Return (annualized) | +21.27%Best | +15.33% |
| 5Y Return (annualized) | +12.95%Best | +7.86% |
| Volatility (annualized) | 14.4%Best | 15.3% |
| Max Drawdown | -33.9%Best | -39.1% |
| $10,000 over 5 years | $18,384Best | $14,598 |
| Top 10 Weight | 37.9% | 3.0%Best |
| Fund Family | iShares by BlackRock (US) | iShares by BlackRock (US) |
| Category | Equity | Equity |
| Style | Large Cap Blend | Large Cap Blend |
| Inception | May 15, 2000 | Apr 16, 2013 |
Volatility and max drawdown are measured over the window both funds cover: Apr 18, 2013 to Sep 11, 2026 (13.4 years).
IVV vs SIZE 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 13.4 years both funds cover.
IVV vs SIZE Performance
iShares Core S&P 500 ETF (IVV) is an ETF from iShares by BlackRock (US) and iShares MSCI USA Size Factor ETF (SIZE) is an ETF from iShares by BlackRock (US). Over the past year IVV returned +17.57% while SIZE returned +12.44%. Year to date, IVV is up 12.51% versus a gain of 10.82% for SIZE.
Over three years, IVV compounded at +21.27% per year against +15.33% for SIZE; over five years the annualized figures are +12.95% and +7.86% respectively. Across the full 13-year window we track, IVV has the edge at +13.34% annualized vs +10.64%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
SIZE has been the more volatile fund, with annualized monthly volatility of 15.3% compared with 14.4% for IVV. 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 -33.9% for IVV and -39.1% for SIZE. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.95. They move almost in lockstep, so holding both mostly duplicates the same exposure.
Fees and Cost Over Time
IVV charges 0.03% per year while SIZE charges 0.15%. On a $10,000 position that is $3 vs $15 annually, a gap of $12 per year that compounds over a long holding period. On income, IVV currently yields 1.06% against 1.33% for SIZE.
Holdings Overlap
97.9% of IVV's money is in holdings SIZE also owns. 83.0% of SIZE's money is in holdings IVV also owns.
Most of IVV is already inside SIZE. Owning both mostly buys the same companies twice.
442 positions in common, counted across the 505 positions we hold weights for in IVV and 528 in SIZE, against full books of 508 and 533.
What only one of them owns
Our book lists 72 positions for SIZE that do not appear in our book for IVV (14.2% of the fund), and 57 for IVV that do not appear in SIZE (1.5%).
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 IVV | Weight in SIZE | Difference |
|---|---|---|---|
| NVDANvidia Corp. | 7.98% | 0.15% | 7.83% |
| AAPLApple, Inc | 6.86% | 0.15% | 6.71% |
| MSFTMicrosoft Corp 4.100 Feb 06 37 | 5.44% | 0.18% | 5.26% |
| AMZNAmazon.Com Inc | 4.01% | 0.16% | 3.85% |
| GOOGLAlphabet A Usd 0.001 | 3.19% | 0.08% | 3.11% |
| AVGOBroadcom Inc | 2.98% | 0.16% | 2.82% |
| GOOGAlphabet Inc | 2.56% | 0.06% | 2.50% |
| METAMeta Platforms, Inc. | 1.94% | 0.15% | 1.79% |
| MUMicron Technology, Inc. | 1.51% | 0.20% | 1.31% |
| JPMJpmorgan Chase & Co. | 1.45% | 0.19% | 1.26% |
97.9% of IVV is already inside SIZE.
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, IVV or SIZE?
IVV has an expense ratio of 0.03% while SIZE charges 0.15%. IVV is the cheaper option, by $12 a year on a $10,000 investment.
Which performed better, IVV or SIZE?
Over the past year IVV returned +17.57% vs +12.44% for SIZE, so IVV leads on 1-year performance. Over the longest common window we track (13 years), IVV annualized +13.34% vs +10.64% for SIZE. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, IVV or SIZE?
SIZE has been the more volatile fund at 15.3% annualized versus 14.4% for IVV. Worst drawdown: IVV -33.9% vs SIZE -39.1%.
Should I hold both IVV and SIZE?
IVV and SIZE have a monthly-return correlation of 0.95, 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 IVV and SIZE?
97.9% of IVV's money is in holdings SIZE also owns. 83.0% of SIZE's is in holdings IVV also owns. They hold 442 positions in common, counted across the 505 positions we hold weights for in IVV and 528 in SIZE.
Which pays a higher dividend, IVV or SIZE?
IVV yields 1.06% while SIZE yields 1.33%, so SIZE currently pays the higher dividend yield.
Is SIZE better than IVV?
IVV has a lower expense ratio. IVV led over 1Y, 3Y, 5Y and the full window. The two have moved almost in lockstep, correlation 0.95. SIZE is less concentrated, with 3.0% of the fund in its ten largest positions against 37.9%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.