IWD vs VXF Overlap
IWD is a U.S. value equity ETF from IShares, while VXF is an equity ETF from Vanguard. IWD and VXF show limited overlap, with an estimated weighted overlap of 10.07%. They share 404 holdings in the loaded dataset, led by MRVL, CIEN, and LITE.
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Quick Answer
IWD is a U.S. value equity ETF from IShares, while VXF is an equity ETF from Vanguard. IWD and VXF show limited overlap, with an estimated weighted overlap of 10.07%. They share 404 holdings in the loaded dataset, led by MRVL, CIEN, and LITE.
- 10.07% weighted overlap across 404 shared holdings.
- The top three shared holdings explain 5.33% of the measured overlap.
- IWD and VXF are closer in breadth than a broad-vs-niche ETF pair.
- 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
- IWD holdings
- Mar 12, 2026
- VXF holdings
- Mar 12, 2026
- Overlap computed
- Mar 15, 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
IWD is a U.S. value equity ETF from IShares, while VXF is an equity ETF from Vanguard. IWD and VXF 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 MRVL, CIEN, and LITE.
How They Differ
IWD is a U.S. value equity ETF from IShares, while VXF is an equity ETF from Vanguard. Neither fund clearly dominates on breadth, so the practical difference is more about weighting, index construction, and cost. VXF has the lower expense ratio, while IWD 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 5.33% 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
Because IWD and VXF are closer in breadth, the better fit usually comes down to index methodology, issuer preference, and cost. VXF has the lower expense ratio, while IWD charges more for its exposure.
Overlap Driver Snapshot
Concentration
The top three shared holdings explain 5.33% 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 IWD and VXF.
| Holding | Name | IWD Wt. | VXF Wt. | Overlap |
|---|---|---|---|---|
| MRVL | MARVELL TECHNOLOGY INC | 0.24% | 0.86% | 0.24% |
| CIEN | CIENA CORP | 0.15% | 0.45% | 0.15% |
| LITE | LUMENTUM HOLDINGS INC | 0.14% | 0.35% | 0.14% |
| FERG | FERGUSON ENTERPRISES INC | 0.13% | 0.62% | 0.13% |
| COHR | COHERENT CORP | 0.13% | 0.42% | 0.13% |
| MSTR | STRATEGY INC CLASS A | 0.11% | 0.51% | 0.11% |
| LNG | CHENIERE ENERGY INC | 0.09% | 0.57% | 0.09% |
| CW | CURTISS WRIGHT CORP | 0.09% | 0.30% | 0.09% |
| FTI | TECHNIPFMC PLC | 0.09% | 0.28% | 0.09% |
| WWD | WOODWARD INC | 0.07% | 0.24% | 0.07% |
Why These ETFs Overlap
IWD is a U.S. value equity ETF from IShares, while VXF is an 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 MRVL, CIEN, and LITE, which appear in both portfolios and push the overlap score higher.
Holding both IWD and VXF 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 IWD and VXF
What is the overlap between IWD and VXF?+
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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.