IVV vs SPMB
IVV vs SPMB
iShares Core S&P 500 ETF vs State Street SPDR Portfolio Mortgage Backed Bond ETF
Quick Verdict
IVV has a lower expense ratio. IVV delivered stronger 1-year returns. SPMB offers more diversification with 2556 holdings.
Side-by-Side Comparison
| Metric | IVV | SPMB | Winner |
|---|---|---|---|
| Expense Ratio | 0.03% | 0.04% | |
| AUM | $865.2B | $7.0B | |
| Dividend Yield | 1.09% | 4.05% | |
| Holdings | 508 | 2,661 | |
| YTD Return | +13.52% | +0.22% | |
| 1Y Return | +23.63% | +3.59% | |
| 3Y Return (annualized) | +21.26% | +4.62% | |
| 5Y Return (annualized) | +13.52% | +0.07% | |
| Volatility (annualized) | 15.1% | 4.5% | |
| Max Drawdown | -56.5% | -22.8% | |
| Fund Family | iShares by BlackRock (US) | State Street Investment Management | |
| Category | Equity | Fixed Income | |
| Inception | May 15, 2000 | Jan 15, 2009 |
IVV vs SPMB Performance
iShares Core S&P 500 ETF (IVV) is a ETF from iShares by BlackRock (US) and State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) is a ETF from State Street Investment Management. Over the past year IVV returned +23.63% while SPMB returned +3.59%. Year to date, IVV is up 13.52% versus a gain of 0.22% for SPMB.
Over three years, IVV compounded at +21.26% per year against +4.62% for SPMB; over five years the annualized figures are +13.52% and +0.07% respectively. Across the full 18-year window we track, IVV has the edge at +7.04% annualized vs +0.11%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
IVV has been the more volatile fund, with annualized monthly volatility of 15.1% compared with 4.5% for SPMB. 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 -22.8% for SPMB. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
The two funds' monthly returns correlate at 0.24. They move independently enough that combining them can meaningfully diversify a portfolio.
Fees and Cost Over Time
IVV charges 0.03% per year while SPMB 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 1.09% against 4.05% for SPMB.
Holdings Overlap
IVV and SPMB share 0 holdings out of 3061 unique holdings combined, representing a 0.0% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, IVV or SPMB?
IVV has an expense ratio of 0.03% while SPMB charges 0.04%. IVV is the cheaper option. On a $10,000 investment, that is $1 per year of difference.
Which performed better, IVV or SPMB?
Over the past year IVV returned +23.63% vs +3.59% for SPMB, so IVV leads on 1-year performance. Over the longest common window we track (18 years), IVV annualized +7.04% vs +0.11% for SPMB. Past performance does not guarantee future results.
Which is riskier, IVV or SPMB?
IVV has been the more volatile fund at 15.1% annualized versus 4.5% for SPMB. Worst drawdown: IVV -56.5% vs SPMB -22.8%.
Should I hold both IVV and SPMB?
IVV and SPMB have a monthly-return correlation of 0.24, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between IVV and SPMB?
IVV and SPMB share 0 common holdings with a 0.0% weight overlap. Combined, they hold 3061 unique securities.
Which pays a higher dividend, IVV or SPMB?
IVV yields 1.09% while SPMB yields 4.05%, so SPMB currently pays the higher dividend yield.
Popular ETF Comparisons
Get Full ETF Analytics
Access complete holdings data, overlap analysis, screener tools, and more with FundXLS.