IVV vs TMB
IVV vs TMB
iShares Core S&P 500 ETF vs Thornburg Multi Sector Bond ETF
Quick Verdict
IVV has a lower expense ratio. IVV delivered stronger 1-year returns. IVV offers more diversification with 505 holdings.
Side-by-Side Comparison
| Metric | IVV | TMB | Winner |
|---|---|---|---|
| Expense Ratio | 0.03% | 0.55% | |
| AUM | $865.2B | $238M | |
| Dividend Yield | 1.09% | 4.60% | |
| Holdings | 508 | 403 | |
| YTD Return | +13.80% | +0.96% | |
| 1Y Return | +23.70% | +3.21% | |
| 3Y Return (annualized) | +21.49% | - | |
| 5Y Return (annualized) | +13.43% | - | |
| Volatility (annualized) | 15.1% | 2.0% | |
| Max Drawdown | -56.5% | -2.0% | |
| Fund Family | iShares by BlackRock (US) | Thornburg Investment Management | |
| Category | Equity | Fixed Income | |
| Inception | May 15, 2000 | Feb 5, 2025 |
IVV vs TMB Performance
iShares Core S&P 500 ETF (IVV) is a ETF from iShares by BlackRock (US) and Thornburg Multi Sector Bond ETF (TMB) is a ETF from Thornburg Investment Management. Over the past year IVV returned +23.70% while TMB returned +3.21%. Year to date, IVV is up 13.80% versus a gain of 0.96% for TMB.
Risk: Volatility and Drawdowns
IVV has been the more volatile fund, with annualized monthly volatility of 15.1% compared with 2.0% for TMB. 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 -2.0% for TMB. 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 0.27. They move independently enough that combining them can meaningfully diversify a portfolio.
Fees and Cost Over Time
IVV charges 0.03% per year while TMB charges 0.55%. On a $10,000 position that is $3 vs $55 annually, a gap of $52 per year that compounds over a long holding period. On income, IVV currently yields 1.09% against 4.60% for TMB.
Holdings Overlap
IVV and TMB share 0 holdings out of 760 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 TMB?
IVV has an expense ratio of 0.03% while TMB charges 0.55%. IVV is the cheaper option. On a $10,000 investment, that is $52 per year of difference.
Which performed better, IVV or TMB?
Over the past year IVV returned +23.70% vs +3.21% for TMB, so IVV leads on 1-year performance. Over the longest common window we track (2 years), IVV annualized +7.05% vs +5.05% for TMB. Past performance does not guarantee future results.
Which is riskier, IVV or TMB?
IVV has been the more volatile fund at 15.1% annualized versus 2.0% for TMB. Worst drawdown: IVV -56.5% vs TMB -2.0%.
Should I hold both IVV and TMB?
IVV and TMB have a monthly-return correlation of 0.27, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between IVV and TMB?
IVV and TMB share 0 common holdings with a 0.0% weight overlap. Combined, they hold 760 unique securities.
Which pays a higher dividend, IVV or TMB?
IVV yields 1.09% while TMB yields 4.60%, so TMB currently pays the higher dividend yield.
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