Data as of Oct 28, 2026.
IUSB vs IWB: Differences, Returns & Fees
Over the year to Oct 28, 2026, IUSB returned −1.2% to IWB's +13.1%; 0% of their weight is in the same names.
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Net assets: $49.8bn on Oct 27, 2026 for iShares Core Universal USD Bond ETF, and $49.1bn on Oct 28, 2026 for iShares Russell 1000 ETF.
Pair scorecard
IUSB costs 0.09 points a year less; their one-year returns differ by 14.3 points.
| Measure | IUSB | IWB |
|---|---|---|
| Return | ||
| Total return, 1 year | −1.2% | +13.1% |
| Benchmark | ||
| What it tracks | Bloomberg U.S. Universal Index | Russell 1000 Index |
| Cost and size | ||
| Expense ratio | 0.06% | 0.15% |
| Net assets, as of Oct 26, 2026 | $49.8bn | $48.7bn |
| Holdings | ||
| Holdings in common | 0% | |
| In the S&P 500, by weight | 92% | |
| Top ten holdings, share of the fund | 35.3% | |
Holdings in common uses holdings dated Oct 27, 2026. Method
Risk and return
Jun 20, 2014 to Oct 23, 2026 · 644 weekly returnsIWB returned more: +358.9% to +28.3%. IUSB swung less: 5.0% to 16.7%. IUSB fell less at its worst: −17.7% to −32.7%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | IUSB | IWB | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +28.3% | +358.9% | IWB | Price change plus distributions, reinvested. |
| Annualized | +2.0% | +13.1% | IWB | Total return as a yearly rate. |
| Price return | −10.7% | +277.1% | IWB | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 5.0% | 16.7% | IUSB | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 3.6% | 11.6% | IUSB | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −17.7% | −32.7% | IUSB | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.02 | 0.70 | IWB | Return above Treasury bills per unit of volatility. |
| Sortino | 0.02 | 1.00 | IWB | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.11 | 0.40 | IWB | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 644 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, IUSB and IWB hold 0% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
IUSB and IWB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IUSB and IWB do different jobs. What does each one do in a portfolio?
- What each follows. IUSB follows Bloomberg U.S. Universal Index and IWB follows Russell 1000 Index.
- Holdings in common. 0% of the weight is in the same securities (holdings dated Oct 27, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 IUSB returned −1.2% and IWB +13.1% with distributions reinvested, a gap of 14.3 points.
Data as of Oct 28, 2026.
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IUSB
IUSB tracks an index of Universal USD Bond. Over the year to Oct 28, 2026 it returned −1.2% with distributions reinvested. The prospectus expense ratio is 0.06% a year.
IWB
IWB tracks the Russell 1000. Over the year to Oct 28, 2026 it returned +13.1% with distributions reinvested, against +13.2% for its benchmark, the Russell 1000 Index. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 27, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1,025 positions, with the top ten at 35.3%.
Questions people ask
- Which returned more over the last year, IUSB or IWB?
- In the year to Oct 28, 2026, with distributions reinvested, IUSB returned −1.2% and IWB +13.1%.
- Which is cheaper, IUSB or IWB?
- IUSB is cheaper, by 0.09 percentage points a year. That is about $9 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
Cite this pageCitation, APA and Markdown
ETFIQ, IUSB against IWB, data as of Oct 28, 2026. https://etfiq.com/compare/any/iusb-vs-iwb
ETFIQ. (Oct 28, 2026). IUSB against IWB. Retrieved from https://etfiq.com/compare/any/iusb-vs-iwb
[IUSB against IWB (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/iusb-vs-iwb)
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