IVV vs MBB
iShares Core S&P 500 ETF vs iShares MBS ETF
Which is better, IVV or MBB?
IVV has been ahead.
IVV has a lower expense ratio. IVV led over 1Y, 3Y, 5Y and the full window.
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 | MBB |
|---|---|---|
| Expense Ratio | 0.03%Best | 0.04% |
| AUM | $876.4B | $39.4B |
| Dividend Yield | 1.06% | 4.34% |
| Holdings | 508 | 11,186 |
| YTD Return | +12.01%Best | -1.36% |
| 1Y Return | +16.48%Best | -0.56% |
| 3Y Return (annualized) | +21.21%Best | +4.39% |
| 5Y Return (annualized) | +12.95%Best | -0.16% |
| Volatility (annualized) | 15.5% | 4.3%Best |
| Max Drawdown | -56.5% | -18.4%Best |
| $10,000 over 5 years | $18,384Best | $9,920 |
| Fund Family | iShares by BlackRock (US) | iShares by BlackRock (US) |
| Category | Equity | Fixed Income |
| Style | Large Cap Blend | - |
| Inception | May 15, 2000 | Mar 13, 2007 |
Not shown on this pair: Top 10 Weight.
Volatility and max drawdown are measured over the window both funds cover: Mar 16, 2007 to Sep 14, 2026 (19.5 years).
IVV vs MBB 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.
IVV vs MBB Performance
iShares Core S&P 500 ETF (IVV) is an ETF from iShares by BlackRock (US) and iShares MBS ETF (MBB) is an ETF from iShares by BlackRock (US). Over the past year IVV returned +16.48% while MBB returned -0.56%. Year to date, IVV is up 12.01% versus a loss of 1.36% for MBB.
Over three years, IVV compounded at +21.21% per year against +4.39% for MBB; over five years the annualized figures are +12.95% and -0.16% respectively. Across the full 20-year window we track, IVV has the edge at +9.55% annualized vs +0.39%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
IVV has been the more volatile fund, with annualized monthly volatility of 15.5% compared with 4.3% for MBB. 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 -56.5% for IVV and -18.4% for MBB. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.21. They move largely independently of each other.
Fees and Cost Over Time
IVV charges 0.03% per year while MBB charges 0.04%. On a $10,000 position that is $3 vs $4 annually, a gap of $1 per year that compounds over a long holding period. On income, IVV currently yields 1.06% against 4.34% for MBB.
Holdings Overlap
At least 0.1% of IVV's money is in holdings MBB also owns.
Stated as a floor: for MBB, our book for it covers 90.9% of that fund, so a holding it does not list is one we cannot count as shared. The real figure is this or higher.
We cannot see either book well enough to say how much of this pair is duplicated.
1 positions in common, counted across the 490 positions we hold weights for in IVV and 8,260 in MBB, against full books of 508 and 11,186.
Top Shared Holdings
| Stock | Weight in IVV | Weight in MBB | Difference |
|---|---|---|---|
| XTSLABlackrock Cash Funds: Treasury, Sl Agency Shares | 0.15% | 0.00% | 0.15% |
You are not choosing between two funds in isolation.
Whichever of IVV and MBB 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, IVV or MBB?
IVV has an expense ratio of 0.03% while MBB charges 0.04%. IVV is the cheaper option, by $1 a year on a $10,000 investment.
Which performed better, IVV or MBB?
Over the past year IVV returned +16.48% vs -0.56% for MBB, so IVV leads on 1-year performance. Over the longest common window we track (20 years), IVV annualized +9.55% vs +0.39% for MBB. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, IVV or MBB?
IVV has been the more volatile fund at 15.5% annualized versus 4.3% for MBB. Worst drawdown: IVV -56.5% vs MBB -18.4%.
Should I hold both IVV and MBB?
IVV and MBB have a monthly-return correlation of 0.21, 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, IVV or MBB?
IVV yields 1.06% while MBB yields 4.34%, so MBB currently pays the higher dividend yield.
Is MBB better than IVV?
IVV has a lower expense ratio. IVV led over 1Y, 3Y, 5Y and the full window. Which one suits a particular account depends on what it is for. This is information, not a recommendation.