Data as of Oct 28, 2026.
IWO vs VUSB: Differences, Returns & Fees
Over the year to Oct 28, 2026, IWO returned +7.9% to VUSB's +3.5%; 0% of their weight is in the same names.
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Net assets: $14.0bn on Oct 27, 2026 for iShares Russell 2000 Growth ETF, and $9.9bn on Sep 30, 2026 for Vanguard Ultra-Short Bond ETF.
Pair scorecard
VUSB costs 0.14 points a year less; their one-year returns differ by 4.4 points; IWO is 1.4 times larger.
| Measure | IWO | VUSB |
|---|---|---|
| Return | ||
| Total return, 1 year | +7.9% | +3.5% |
| Drawdown | ||
| Below its high | 9.9%, high on Aug 14, 2026 | |
| Benchmark | ||
| What it tracks | Russell 2000 Growth Index | No index, actively managed |
| Cost and size | ||
| Expense ratio | 0.24% | 0.10% |
| Net assets, as of Sep 30, 2026 | $14.1bn | $9.9bn |
| Holdings | ||
| Holdings in common | 0% | |
| In the S&P 500, by weight | 0% | |
| Top ten holdings, share of the fund | 6.4% | |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
What they share
By the books each fund has filed, IWO and VUSB hold 0% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
IWO and VUSB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IWO
IWO tracks the Russell 2000 Growth. Over the year to Oct 28, 2026 it returned +7.9% with distributions reinvested, against +8.0% for its benchmark, the Russell 2000 Growth Index. The prospectus expense ratio is 0.24% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1,122 positions, with the top ten at 6.4%. It sat 9.9% below its high of Aug 14, 2026 on Oct 28, 2026.
VUSB
VUSB is actively managed and tracks no index. Over the year to Oct 28, 2026 it returned +3.5% with distributions reinvested, against −1.4% for its benchmark, the Bloomberg U.S. Aggregate Bond Index. The prospectus expense ratio is 0.10% a year.
Questions people ask
- Which returned more over the last year, IWO or VUSB?
- In the year to Oct 28, 2026, with distributions reinvested, IWO returned +7.9% and VUSB +3.5%.
- Which is cheaper, IWO or VUSB?
- VUSB is cheaper, by 0.14 percentage points a year. That is about $14 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.
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ETFIQ, IWO against VUSB, data as of Oct 28, 2026. https://etfiq.com/compare/any/iwo-vs-vusb
ETFIQ. (Oct 28, 2026). IWO against VUSB. Retrieved from https://etfiq.com/compare/any/iwo-vs-vusb
[IWO against VUSB (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/iwo-vs-vusb)
Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.