IWR vs VXUS Overlap
IWR is a mid-cap U.S. equity ETF from IShares, while VXUS is an international equity ETF from Vanguard. IWR and VXUS show limited overlap, with an estimated weighted overlap of 0.05%. They share 4 holdings in the loaded dataset, led by CMS, CRS, and BC.
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Quick Answer
IWR is a mid-cap U.S. equity ETF from IShares, while VXUS is an international equity ETF from Vanguard. IWR and VXUS show limited overlap, with an estimated weighted overlap of 0.05%. They share 4 holdings in the loaded dataset, led by CMS, CRS, and BC.
- 0.05% weighted overlap across 4 shared holdings.
- The top three shared holdings explain 86% of the measured overlap.
- VXUS is the broader fund, while IWR is more targeted.
- The overlap is mostly explained by the top shared positions rather than sector labels alone.
- Holding both can still add materially different exposure.
Data Freshness
- IWR holdings
- Mar 12, 2026
- VXUS holdings
- Mar 12, 2026
- Overlap computed
- Mar 13, 2026
- Data source
- Financial Modeling Prep
Review the methodology for the overlap formula and refresh policy.
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About These ETFs
What Stands Out In This Comparison
What This Means
IWR is a mid-cap U.S. equity ETF from IShares, while VXUS is an international equity ETF from Vanguard. IWR and VXUS do not own much of the same portfolio weight. That usually means you are combining different parts of the market, with only a small amount of duplication through names like CMS, CRS, and BC.
How They Differ
IWR is a mid-cap U.S. equity ETF from IShares, while VXUS is an international equity ETF from Vanguard. VXUS is the broader fund, while IWR is the more targeted sleeve. VXUS has the lower expense ratio, while IWR charges more for its exposure.
What Drives The Overlap
The overlap is driven by a relatively small set of large shared positions. The top three shared holdings account for 86% of the score, which means the result is heavily influenced by the biggest common weights rather than a long tail of tiny positions.
When One May Fit Better
If you want the broader portfolio building block, VXUS is usually the wider choice. If you want the more focused tilt, IWR is the narrower expression. VXUS has the lower expense ratio, while IWR charges more for its exposure.
Overlap Driver Snapshot
Concentration
The top three shared holdings explain 86% of the full overlap score.
That helps show whether the score comes from a handful of giant shared positions or from a broader mix of common holdings.
Shared Sector Tilt
Sector tags are not consistently available for the biggest shared positions in this dataset, so this comparison leans more on the specific holdings than on sector labels.
Top Shared Holdings
These are the holdings contributing the most to the overlap score between IWR and VXUS.
| Holding | Name | IWR Wt. | VXUS Wt. | Overlap |
|---|---|---|---|---|
| CMS | CMS ENERGY CORP | 0.18% | 0.01% | 0.01% |
| CRS | CARPENTER TECHNOLOGY CORP | 0.15% | 0.01% | 0.01% |
| BC | BRUNSWICK CORP | 0.04% | 0.01% | 0.01% |
| PPC | PILGRIMS PRIDE CORP | 0.01% | 0.01% | 0.01% |
Why These ETFs Overlap
IWR is a mid-cap U.S. equity ETF from IShares, while VXUS is an international equity ETF from Vanguard. The overlap exists because both funds allocate meaningful weight to the same holdings. In this dataset, the biggest shared drivers are CMS, CRS, and BC, which appear in both portfolios and push the overlap score higher.
Holding both IWR and VXUS can make sense if you want exposure to different sleeves of the market. The overlap is small enough that both funds may still improve diversification.
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Frequently Asked Questions About IWR and VXUS
What is the overlap between IWR and VXUS?+
How many holdings do IWR and VXUS share?+
Is the IWR and VXUS overlap high?+
Why do IWR and VXUS overlap?+
Which ETF is broader, IWR or VXUS?+
How Overlap Is Calculated
A straightforward approach used by portfolio analysts.
For every stock that appears in both ETFs, we take the smaller of the two weights. Adding up all those minimums gives the total overlap percentage. A score of 100% means the two ETFs hold the exact same stocks in the same proportions.
Want the full explanation? Read the methodology page.