Data as of Oct 28, 2026.
IWC vs VXF: Differences, Returns & Fees
Over the year to Oct 28, 2026, IWC returned +16.5% to VXF's +10.6%; 5% of their weight is in the same names.
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Net assets: $1.2bn on Oct 27, 2026 for iShares Micro-Cap ETF, and $30.2bn on Sep 30, 2026 for Vanguard Extended Market ETF.
Pair scorecard
VXF costs 0.55 points a year less; their one-year returns differ by 5.9 points; VXF is far larger, $30.2bn against $1.4bn.
| Measure | IWC | VXF |
|---|---|---|
| Return | ||
| Total return, 1 year | +16.5% | +10.6% |
| Drawdown | ||
| Below its high | 9.5%, high on Aug 14, 2026 | 6.6%, high on Aug 14, 2026 |
| Benchmark | ||
| What it tracks | Russell Microcap Index | S&P Completion Index |
| Cost and size | ||
| Expense ratio | 0.60% | 0.05% |
| Net assets, as of Sep 30, 2026 | $1.4bn | $30.2bn |
| Holdings | ||
| Holdings in common | 5% | |
| Top ten holdings, share of the fund | 5.9% | 11.3% |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
Risk and return
Aug 26, 2005 to Oct 23, 2026 · 1,104 weekly returnsVXF returned more: +604.0% to +348.0%. VXF swung slightly less: 21.9% to 23.7%. VXF fell slightly less at its worst: −57.4% to −63.8%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | IWC | VXF | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +348.0% | +604.0% | VXF | Price change plus distributions, reinvested. |
| Annualized | +7.3% | +9.6% | VXF | Total return as a yearly rate. |
| Price return | +254.5% | +430.3% | VXF | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 23.7% | 21.9% | VXF (slight) | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 16.8% | 15.4% | VXF (slight) | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −63.8% | −57.4% | VXF (slight) | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.34 | 0.45 | VXF | Return above Treasury bills per unit of volatility. |
| Sortino | 0.48 | 0.64 | VXF | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.11 | 0.17 | VXF | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 1,104 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, IWC and VXF hold 5% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
5% in common
Only in one fund ↓
Side by side
IWC and VXF on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IWC and VXF do different jobs. What does each one do in a portfolio?
- What each follows. IWC follows Russell Microcap Index and VXF follows S&P Completion Index.
- Holdings in common. 5% of the weight is in the same securities (holdings dated Oct 27, 2026 and Sep 30, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 IWC returned +16.5% and VXF +10.6% with distributions reinvested, a gap of 5.9 points.
Data as of Oct 28, 2026.
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Over the year to Oct 28, 2026 it returned +16.5% with distributions reinvested, against +13.3% for its benchmark, the Russell 3000 Index.
IWC tracks the Russell Microcap. The prospectus expense ratio is 0.60% 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 1,365 positions, with the top ten at 5.9%. It sat 9.5% below its high of Aug 14, 2026 on Oct 28, 2026.
VXF
VXF tracks an index of Extended Market. Over the year to Oct 28, 2026 it returned +10.6% with distributions reinvested. The prospectus expense ratio is 0.05% a year. By its holdings published by its issuer as of Sep 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 3,361 positions, with the top ten at 11.3%. It sat 6.6% below its high of Aug 14, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, IWC or VXF?
- In the year to Oct 28, 2026, with distributions reinvested, IWC returned +16.5% and VXF +10.6%.
- Which is cheaper, IWC or VXF?
- VXF is cheaper, by 0.55 percentage points a year. That is about $55 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, IWC against VXF, data as of Oct 28, 2026. https://etfiq.com/compare/any/iwc-vs-vxf
ETFIQ. (Oct 28, 2026). IWC against VXF. Retrieved from https://etfiq.com/compare/any/iwc-vs-vxf
[IWC against VXF (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/iwc-vs-vxf)
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