DIA is an industrials ETF from SPDR, while QQQ is an equity ETF from Invesco. DIA and QQQ show meaningful overlap, with an estimated weighted overlap of 21.42%. They share 8 holdings in the loaded dataset, led by MSFT, GOOGL, and AAPL.
Freshly computed.
Quick Answer
DIA is an industrials ETF from SPDR, while QQQ is an equity ETF from Invesco. DIA and QQQ show meaningful overlap, with an estimated weighted overlap of 21.42%. They share 8 holdings in the loaded dataset, led by MSFT, GOOGL, and AAPL.
Data Freshness
Review the methodology for the overlap formula and refresh policy.
Compare another pair
DIA is an industrials ETF from SPDR, while QQQ is an equity ETF from Invesco. DIA and QQQ overlap enough to matter, but they still bring different exposures to a portfolio. The overlap is concentrated in holdings such as MSFT, GOOGL, and AAPL, which explains why the score lands at 21.42%.
DIA is an industrials ETF from SPDR, while QQQ is an equity ETF from Invesco. QQQ is the broader fund, while DIA is the more targeted sleeve. DIA has the lower expense ratio, while QQQ 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 57.7% 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, QQQ is usually the wider choice. If you want the more focused tilt, DIA is the narrower expression. DIA has the lower expense ratio, while QQQ charges more for its exposure.
Concentration
The top three shared holdings explain 57.7% 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 QQQ.
| Holding | Name | DIA Wt. | QQQ Wt. | Overlap |
|---|---|---|---|---|
| MSFT | MICROSOFT CORP | 5.56% | 5.63% | 5.56% |
| GOOGL | ALPHABET INC CL A | 3.80% | 3.43% | 3.43% |
| AAPL | APPLE INC | 3.37% | 7.63% | 3.37% |
| AMZN | AMAZON.COM INC | 3.01% | 4.58% | 3.01% |
| NVDA | NVIDIA CORP | 2.40% | 8.68% | 2.40% |
| CSCO | CISCO SYSTEMS INC | 1.33% | 1.73% | 1.33% |
| WMT | WALMART INC | 1.25% | 3.43% | 1.25% |
| AMGN | AMGEN INC | 4.57% | 1.07% | 1.07% |
DIA is an industrials ETF from SPDR, while QQQ is an equity ETF from Invesco. 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 QQQ can still be reasonable, but you should expect some duplication. The decision comes down to whether the non-overlapping parts of each ETF are important enough for your strategy.
Go deeper
Portwise gives you full portfolio diagnostics — concentration risk, hidden risk scoring, drawdown analysis, and risk evolution tracking. Free to start.
Stay informed
Portfolio overlap alerts, new comparison data, and investing insights from the CG Corp team. No spam, unsubscribe anytime.
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.