DIA is an industrials ETF from SPDR, while IWF is a U.S. growth equity ETF from IShares. DIA and IWF show limited overlap, with an estimated weighted overlap of 19.71%. They share 15 holdings in the loaded dataset, led by MSFT, GOOGL, and AAPL.
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DIA is an industrials ETF from SPDR, while IWF is a U.S. growth equity ETF from IShares. DIA and IWF show limited overlap, with an estimated weighted overlap of 19.71%. They share 15 holdings in the loaded dataset, led by MSFT, GOOGL, and AAPL.
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DIA is an industrials ETF from SPDR, while IWF is a U.S. growth equity ETF from IShares. DIA and IWF 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 MSFT, GOOGL, and AAPL.
DIA is an industrials ETF from SPDR, while IWF is a U.S. growth equity ETF from IShares. IWF is the broader fund, while DIA is the more targeted sleeve. DIA has the lower expense ratio, while IWF charges more for its exposure.
The overlap is driven by a relatively small set of large shared positions. The top three shared holdings account for 58.42% of the score, which means the result is heavily influenced by the biggest common weights rather than a long tail of tiny positions.
If you want the broader portfolio building block, IWF is usually the wider choice. If you want the more focused tilt, DIA is the narrower expression. DIA has the lower expense ratio, while IWF charges more for its exposure.
Concentration
The top three shared holdings explain 58.42% 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.
These are the holdings contributing the most to the overlap score between DIA and IWF.
| Holding | Name | DIA Wt. | IWF Wt. | Overlap |
|---|---|---|---|---|
| MSFT | MICROSOFT CORP | 5.64% | 4.11% | 4.11% |
| GOOGL | ALPHABET INC CL A | 3.78% | 6.17% | 3.78% |
| AAPL | APPLE INC | 3.63% | 6.72% | 3.63% |
| NVDA | NVIDIA CORP | 2.52% | 13.83% | 2.52% |
| V | VISA INC CLASS A SHARES | 4.19% | 1.68% | 1.68% |
| CAT | CATERPILLAR INC | 8.84% | 1.43% | 1.43% |
| HD | HOME DEPOT INC | 3.51% | 0.77% | 0.77% |
| AMZN | AMAZON.COM INC | 2.86% | 0.57% | 0.57% |
| AMGN | AMGEN INC | 4.91% | 0.41% | 0.41% |
| BA | BOEING CO/THE | 2.33% | 0.32% | 0.32% |
DIA is an industrials ETF from SPDR, while IWF is a U.S. growth equity ETF from IShares. The overlap exists because both funds allocate meaningful weight to the same holdings. In this dataset, the biggest shared drivers are MSFT, GOOGL, and AAPL, which appear in both portfolios and push the overlap score higher.
Holding both DIA and IWF 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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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.