IWB is an equity ETF from IShares, while XLY is a consumer discretionary ETF from SPDR. IWB and XLY show limited overlap, with an estimated weighted overlap of 8.92%. They share 44 holdings in the loaded dataset, led by AMZN, TSLA, and HD.
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IWB is an equity ETF from IShares, while XLY is a consumer discretionary ETF from SPDR. IWB and XLY show limited overlap, with an estimated weighted overlap of 8.92%. They share 44 holdings in the loaded dataset, led by AMZN, TSLA, and HD.
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IWB is an equity ETF from IShares, while XLY is a consumer discretionary ETF from SPDR. IWB and XLY 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 AMZN, TSLA, and HD.
IWB is an equity ETF from IShares, while XLY is a consumer discretionary ETF from SPDR. IWB is the broader fund, while XLY is the more targeted sleeve. XLY has the lower expense ratio, while IWB 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 63.13% 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, IWB is usually the wider choice. If you want the more focused tilt, XLY is the narrower expression. XLY has the lower expense ratio, while IWB charges more for its exposure.
Concentration
The top three shared holdings explain 63.13% 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 IWB and XLY.
| Holding | Name | IWB Wt. | XLY Wt. | Overlap |
|---|---|---|---|---|
| AMZN | AMAZON.COM, INC. | 3.33% | 23.53% | 3.33% |
| TSLA | TESLA, INC. | 1.75% | 18.97% | 1.75% |
| HD | THE HOME DEPOT, INC. | 0.55% | 5.94% | 0.55% |
| MCD | MCDONALD'S CORPORATION | 0.37% | 4.49% | 0.37% |
| TJX | THE TJX COMPANIES, INC. | 0.30% | 4.41% | 0.30% |
| BKNG | BOOKING HOLDINGS INC. | 0.23% | 3.38% | 0.23% |
| LOW | LOWE'S COMPANIES, INC. | 0.22% | 3.30% | 0.22% |
| SBUX | STARBUCKS CORPORATION | 0.17% | 2.54% | 0.17% |
| ORLY | O'Reilly Automotive, Inc. | 0.13% | 1.93% | 0.13% |
| MAR | MARRIOTT INTERNATIONAL, INC. | 0.12% | 1.79% | 0.12% |
IWB is an equity ETF from IShares, while XLY is a consumer discretionary ETF from SPDR. The overlap exists because both funds allocate meaningful weight to the same holdings. In this dataset, the biggest shared drivers are AMZN, TSLA, and HD, which appear in both portfolios and push the overlap score higher.
Holding both IWB and XLY 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.