IVV vs MGK Overlap
IVV is a U.S. large-cap core ETF from IShares, while MGK is a U.S. growth equity ETF from Vanguard. IVV and MGK show meaningful overlap, with an estimated weighted overlap of 49.4%. They share 57 holdings in the loaded dataset, led by NVDA, AAPL, and MSFT.
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Quick Answer
IVV is a U.S. large-cap core ETF from IShares, while MGK is a U.S. growth equity ETF from Vanguard. IVV and MGK show meaningful overlap, with an estimated weighted overlap of 49.4%. They share 57 holdings in the loaded dataset, led by NVDA, AAPL, and MSFT.
- 49.4% weighted overlap across 57 shared holdings.
- The top three shared holdings explain 39.59% of the measured overlap.
- IVV is the broader fund, while MGK is more targeted.
- The overlap is mostly explained by the top shared positions rather than sector labels alone.
- Holding both may add less diversification than the fund names imply.
Data Freshness
- IVV holdings
- Mar 12, 2026
- MGK 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
IVV is a U.S. large-cap core ETF from IShares, while MGK is a U.S. growth equity ETF from Vanguard. IVV and MGK overlap enough to matter, but they still bring different exposures to a portfolio. The overlap is concentrated in holdings such as NVDA, AAPL, and MSFT, which explains why the score lands at 49.4%.
How They Differ
IVV is a U.S. large-cap core ETF from IShares, while MGK is a U.S. growth equity ETF from Vanguard. IVV is the broader fund, while MGK is the more targeted sleeve. IVV has the lower expense ratio, while MGK 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 39.59% 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
If you want the broader portfolio building block, IVV is usually the wider choice. If you want the more focused tilt, MGK is the narrower expression. IVV has the lower expense ratio, while MGK charges more for its exposure.
Overlap Driver Snapshot
Concentration
The top three shared holdings explain 39.59% 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 IVV and MGK.
| Holding | Name | IVV Wt. | MGK Wt. | Overlap |
|---|---|---|---|---|
| NVDA | NVIDIA CORP | 7.73% | 13.52% | 7.73% |
| AAPL | APPLE INC | 6.64% | 11.72% | 6.64% |
| MSFT | MICROSOFT CORP | 5.19% | 9.61% | 5.19% |
| AMZN | AMAZON COM INC | 3.59% | 4.82% | 3.59% |
| GOOGL | ALPHABET INC CLASS A | 3.08% | 5.85% | 3.08% |
| AVGO | BROADCOM INC | 2.79% | 3.93% | 2.79% |
| GOOG | ALPHABET INC CLASS C | 2.46% | 4.63% | 2.46% |
| META | META PLATFORMS INC CLASS A | 2.45% | 4.92% | 2.45% |
| TSLA | TESLA INC | 1.93% | 4.35% | 1.93% |
| LLY | ELI LILLY | 1.37% | 3.22% | 1.37% |
Why These ETFs Overlap
IVV is a U.S. large-cap core ETF from IShares, while MGK is a U.S. growth 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 NVDA, AAPL, and MSFT, which appear in both portfolios and push the overlap score higher.
Holding both IVV and MGK 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.
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Frequently Asked Questions About IVV and MGK
What is the overlap between IVV and MGK?+
How many holdings do IVV and MGK share?+
Is the IVV and MGK overlap high?+
Why do IVV and MGK overlap?+
Which ETF is broader, IVV or MGK?+
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.