Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IWC vs VWO: how they differ
IWC and VWO hold 0% of their weight in the same names, and IWC returned more over the year.
iShares Micro-Cap ETF and Vanguard Emerging Markets Stock Index Fund.
What they hold in common
By the books each fund has filed, IWC and VWO hold 0% of their money in the same securities at the same weight.
| Only in IWC | Only in VWO |
|---|---|
| CAREDX 0.61% | Taiwan Semiconductor Manufacturing Co Lt 14.73% |
| SELLAS LIFE SCIENCES GROUP INC 0.60% | Tencent Holdings Ltd 3.28% |
| NURIX THERAPEUTICS 0.59% | Alibaba Group Holding Ltd 2.57% |
| PENGUIN SOLUTIONS INC 0.58% | Delta Electronics Inc 1.18% |
| OUSTER 0.52% | MediaTek Inc 1.07% |
| VIRIDIAN THERAPEUTICS ORS 0.48% | Reliance Industries Ltd 0.90% |
| INTERFACE 0.47% | HDFC Bank Ltd 0.81% |
| MBX BIOSCIENCES 0.45% | Hon Hai Precision Industry Co Ltd 0.75% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Apr 30, 2026 and Sep 10, 2026.
| IWC iShares Micro-Cap ETF | VWO Vanguard Emerging Markets Stock Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | Russell Microcap | Emerging markets |
| Total return, 1 year | +31.3% | +15.6% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +13.8 pts | −1.9 pts |
| Expense ratio | not published | 0.06% |
| Already in the S&P 500 | 91.9% | 0.0% |
| Holdings | 1252 | 6355 |
IWC in plain words
IWC is an index equity fund tracking the Russell Microcap. Over the year to Sep 11, 2026 it returned +31.3% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. By its holdings filed for Sep 10, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1252 positions, with the top ten at 5.1%. It sat 5.0% below its high of Aug 14, 2026 on Sep 11, 2026.
VWO in plain words
VWO is an index equity fund tracking the Emerging markets. Over the year to Sep 11, 2026 it returned +15.6% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.06% a year. By its holdings filed for Apr 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 6355 positions, with the top ten at 26.8%.
Questions people ask
- Which returned more over the last year, IWC or VWO?
- In the year to Sep 13, 2026, with distributions reinvested, IWC returned +31.3% and VWO returned +15.6%, so IWC returned more. One year is one year; the longer windows are in the table.
- How much do IWC and VWO overlap with the S&P 500?
- By their latest filed holdings, 92% of IWC and 0% of VWO by weight is stocks the S&P 500 already holds. Between the two funds, 0% of their books are the same securities at the same weight.
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Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, IWC against VWO, data as of Sep 13, 2026. https://etfiq.com/compare/any/iwc-vs-vwo Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources