Data as of Oct 28, 2026.

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IWC vs VB: Differences, Returns & Fees

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Over the year to Oct 28, 2026, IWC returned +16.5% to VB's +14.4%; 0% 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 $76.9bn on Sep 30, 2026 for Vanguard Morningstar Small-Cap ETF.

At a glance
+16.5%
IWC total return, 1 year
+14.4%
VB total return, 1 year
0.60%
IWC expense ratio
0.03%
VB expense ratio

Pair scorecard

VB costs 0.57 points a year less; their one-year returns differ by 2.1 points; VB is far larger, $76.9bn against $1.4bn.

IWC vs VB: Differences, Returns & Fees
MeasureIWCVB
Return
Total return, 1 year+16.5%+14.4%
Drawdown
Below its high9.5%, high on Aug 14, 20265.7%, high on Aug 14, 2026
Benchmark
What it tracksRussell Microcap IndexMorningstar US Small Cap Index
Cost and size
Expense ratio0.60%0.03%
Net assets, as of Sep 30, 2026$1.4bn$76.9bn
Holdings
Holdings in common0%
Top ten holdings, share of the fund5.9%5.9%

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 returns
IWC VB
Return
Total return edge VB +348.0% +580.3%
Annualized edge VB +7.3% +9.5%
Price return edge VB +254.5% +397.1%
Risk
Volatility edge VB (slight) 23.7% 21.9%
Max drawdown edge VB (slight) −63.8% −58.8%
Risk-adjusted
Sharpe edge VB 0.34 0.44
Sortino edge VB 0.48 0.63
Calmar edge VB 0.11 0.16
Reading

VB returned more: +580.3% to +348.0%. VB swung slightly less: 21.9% to 23.7%. VB fell slightly less at its worst: −58.8% to −63.8%.

Full scorecard

9 measures, with how each is measured
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Risk and return: IWC vs VB: Differences, Returns & Fees
MeasureIWCVBEdgeHow it is measured
Return
Total return+348.0%+580.3%VBPrice change plus distributions, reinvested.
Annualized+7.3%+9.5%VBTotal return as a yearly rate.
Price return+254.5%+397.1%VBPrice change alone, distributions left out.
Risk
Volatility23.7%21.9%VB (slight)Spread of weekly returns, annualized. Lower is steadier.
Downside deviation16.8%15.4%VB (slight)Like volatility, counting only weeks below the Treasury bill rate.
Max drawdown−63.8%−58.8%VB (slight)Deepest fall from a high to the low after it.
Risk-adjusted
Sharpe0.340.44VBReturn above Treasury bills per unit of volatility.
Sortino0.480.63VBReturn above Treasury bills per unit of downside deviation.
Calmar0.110.16VBAnnualized 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

0%

By the books each fund has filed, IWC and VB hold 0% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.

0 half 100%

half

0% in common

Positions both hold · largest shared weight first IWC VB
INDEPENDENT BANK CORP 0.18% 0.05%
GRAHAM CORP 0.20% 0.04%
BJS RESTAURANTS INC 0.27% 0.01%
SCANSOURCE 0.31% 0.01%
INTERFACE 0.52% 0.01%
QUANEX BUILDING PRODUCTS CORP 0.23% 0.01%
Only in one fund ↓
Only in IWC
CAREDX 0.88%
PENGUIN SOLUTIONS INC 0.73%
NURIX THERAPEUTICS 0.63%
SELLAS LIFE SCIENCES GROUP INC 0.60%
VIRIDIAN THERAPEUTICS ORS 0.59%
OUSTER 0.53%
STRIVE INC CLASS A 0.50%
HYPERLIQUID STRATEGIES INC 0.46%
Only in VB
SLCMT1142 1.31%
Natera Inc 0.72%
Twilio Inc 0.57%
Revolution Medicines Inc 0.53%
Everpure Inc 0.52%
Illumina Inc 0.52%
Okta Inc 0.44%
Moderna Inc 0.44%
Check overlap with more funds →

Side by side

IWC iShares Micro-Cap ETF VB Vanguard Morningstar Small-Cap ETF
Where it sits Stock ETF Stock ETF
What it is Tracks the Russell Microcap Tracks an index of Small-Cap
Total return, 1 year +16.5% +14.4%
Its benchmark over the same days +13.3% (IWV) not measured
Gap to its benchmark +3.2 pts vs IWV not measured
Expense ratio 0.60% 0.03%
Already in the S&P 500 91.7% 21.6%
Holdings 1365 1303
Net assets, IWC as of Oct 27, 2026 and VB as of Sep 30, 2026 $1.2bn $76.9bn

IWC and VB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Client brief · page 1 of 2 Report BR-3BFECF221C

IWC and VB are built for the same job. How do they differ in cost, holdings and results?

  1. What each follows. IWC follows Russell Microcap Index and VB follows Morningstar US Small Cap Index.
  2. Holdings in common. 0% of the weight is in the same securities (holdings dated Oct 27, 2026 and Sep 30, 2026).
  3. One-year total return. Over 1 year to Oct 28, 2026 IWC returned +16.5% and VB +14.4% with distributions reinvested, a gap of 2.1 points.

Data as of Oct 28, 2026.

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About each fund
IWC

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.

VB

VB tracks an index of Small-Cap. Over the year to Oct 28, 2026 it returned +14.4% with distributions reinvested. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer as of Sep 30, 2026, 22% of the fund by weight is stocks the S&P 500 also holds, across 1,303 positions, with the top ten at 5.9%. It sat 5.7% below its high of Aug 14, 2026 on Oct 28, 2026.

Questions people ask

Which returned more over the last year, IWC or VB?
In the year to Oct 28, 2026, with distributions reinvested, IWC returned +16.5% and VB +14.4%.
Which is cheaper, IWC or VB?
VB is cheaper, by 0.57 percentage points a year. That is about $57 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IWC and VB overlap with the S&P 500?
By their latest filed holdings, 92% of IWC and 22% of VB by weight is stocks the S&P 500 already holds.
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ETFIQ, IWC against VB, data as of Oct 28, 2026. https://etfiq.com/compare/any/iwc-vs-vb

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.