Both funds come from IShares. QUAL is an equity ETF, while SOXX is a semiconductor-focused equity ETF. QUAL and SOXX show limited overlap, with an estimated weighted overlap of 17.56%. They share 8 holdings in the loaded dataset, led by NVDA, LRCX, and KLAC.
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Quick Answer
Both funds come from IShares. QUAL is an equity ETF, while SOXX is a semiconductor-focused equity ETF. QUAL and SOXX show limited overlap, with an estimated weighted overlap of 17.56%. They share 8 holdings in the loaded dataset, led by NVDA, LRCX, and KLAC.
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Both funds come from IShares. QUAL is an equity ETF, while SOXX is a semiconductor-focused equity ETF. QUAL and SOXX 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 NVDA, LRCX, and KLAC.
Both funds come from IShares. QUAL is an equity ETF, while SOXX is a semiconductor-focused equity ETF. QUAL is the broader fund, while SOXX is the more targeted sleeve. QUAL has the lower expense ratio, while SOXX 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 71.26% 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, QUAL is usually the wider choice. If you want the more focused tilt, SOXX is the narrower expression. QUAL has the lower expense ratio, while SOXX charges more for its exposure.
Concentration
The top three shared holdings explain 71.26% 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 QUAL and SOXX.
| Holding | Name | QUAL Wt. | SOXX Wt. | Overlap |
|---|---|---|---|---|
| NVDA | NVIDIA CORPORATION | 6.50% | 8.40% | 6.50% |
| LRCX | LAM RESEARCH CORPORATION | 3.22% | 3.90% | 3.22% |
| KLAC | KLA CORPORATION | 2.78% | 4.12% | 2.78% |
| AMAT | APPLIED MATERIALS, INC. | 2.45% | 5.84% | 2.45% |
| QCOM | QUALCOMM INCORPORATED | 1.41% | 3.86% | 1.41% |
| MPWR | MONOLITHIC POWER SYSTEMS, INC. | 0.70% | 4.08% | 0.70% |
| 066922519 | BlackRock Funds III: BlackRock Cash Funds: Institutional; SL Agency Shares | 0.38% | 1.11% | 0.38% |
| 066922477 | BlackRock Funds III: BlackRock Cash Funds: Treasury; SL Agency Shares | 0.13% | 0.11% | 0.11% |
Both funds come from IShares. QUAL is an equity ETF, while SOXX is a semiconductor-focused equity ETF. The overlap exists because both funds allocate meaningful weight to the same holdings. In this dataset, the biggest shared drivers are NVDA, LRCX, and KLAC, which appear in both portfolios and push the overlap score higher.
Holding both QUAL and SOXX 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.