MGK vs QUAL Overlap

MGK is a U.S. growth equity ETF from Vanguard, while QUAL is an equity ETF from IShares. MGK and QUAL show meaningful overlap, with an estimated weighted overlap of 41.86%. They share 26 holdings in the loaded dataset, led by AAPL, NVDA, and MSFT.

41.9% overlap
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26Shared Holdings
OK
Moderate Overlap

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Quick Answer

MGK is a U.S. growth equity ETF from Vanguard, while QUAL is an equity ETF from IShares. MGK and QUAL show meaningful overlap, with an estimated weighted overlap of 41.86%. They share 26 holdings in the loaded dataset, led by AAPL, NVDA, and MSFT.

  • 41.86% weighted overlap across 26 shared holdings.
  • The top three shared holdings explain 42.19% of the measured overlap.
  • MGK and QUAL are closer in breadth than a broad-vs-niche ETF pair.
  • 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

MGK holdings
Mar 12, 2026
QUAL 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

ETF A

MGK

Vanguard Mega Cap Growth ETF

Issuer
Vanguard
Asset class
Large Cap Equity
Expense ratio
0.05%
AUM
$32B
Inception
Dec 17, 2007

ETF B

QUAL

iShares MSCI USA Quality Factor ETF

Issuer
IShares
Asset class
Equity
Expense ratio
0.15%
AUM
$49B
Inception
Jul 16, 2013

What Stands Out In This Comparison

01

What This Means

MGK is a U.S. growth equity ETF from Vanguard, while QUAL is an equity ETF from IShares. MGK and QUAL overlap enough to matter, but they still bring different exposures to a portfolio. The overlap is concentrated in holdings such as AAPL, NVDA, and MSFT, which explains why the score lands at 41.86%.

02

How They Differ

MGK is a U.S. growth equity ETF from Vanguard, while QUAL is an equity ETF from IShares. Neither fund clearly dominates on breadth, so the practical difference is more about weighting, index construction, and cost. MGK has the lower expense ratio, while QUAL charges more for its exposure.

03

What Drives The Overlap

The overlap is driven by a relatively small set of large shared positions. The top three shared holdings account for 42.19% of the score, which means the result is heavily influenced by the biggest common weights rather than a long tail of tiny positions.

04

When One May Fit Better

Because MGK and QUAL are closer in breadth, the better fit usually comes down to index methodology, issuer preference, and cost. MGK has the lower expense ratio, while QUAL charges more for its exposure.

Overlap Driver Snapshot

Concentration

The top three shared holdings explain 42.19% 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 MGK and QUAL.

HoldingMGK Wt.QUAL Wt.Overlap
AAPL11.72%6.24%6.24%
NVDA13.52%6.23%6.23%
MSFT9.61%5.19%5.19%
META4.92%3.87%3.87%
LLY3.22%3.23%3.22%
GOOGL5.85%2.09%2.09%
V1.89%3.04%1.89%
GOOG4.63%1.76%1.76%
MA1.68%2.43%1.68%
NFLX1.38%2.14%1.38%

Why These ETFs Overlap

MGK is a U.S. growth equity ETF from Vanguard, while QUAL is an 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 AAPL, NVDA, and MSFT, which appear in both portfolios and push the overlap score higher.

Holding both MGK and QUAL 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.

Related Comparisons

Frequently Asked Questions About MGK and QUAL

What is the overlap between MGK and QUAL?+
MGK and QUAL currently show an estimated weighted overlap of 41.86% based on the loaded holdings data.
How many holdings do MGK and QUAL share?+
They share 26 holdings in the current dataset.
Is the MGK and QUAL overlap high?+
The current verdict is Moderate Overlap. That means the two ETFs have noticeable duplication in portfolio weight.
Why do MGK and QUAL overlap?+
MGK and QUAL overlap because the same large positions appear in both funds. In this comparison, the top three shared holdings explain 42.19% of the measured overlap score.
Which ETF is broader, MGK or QUAL?+
MGK and QUAL look closer in breadth than a broad-vs-niche pair, so the main difference is more about strategy and weighting than simple market coverage.

How Overlap Is Calculated

A straightforward approach used by portfolio analysts.

Overlap = sum(min(Weight_A, Weight_B)) for each shared holding

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.

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