IGV vs XLK Overlap

IGV is a technology-focused equity ETF from IShares, while XLK is a technology-focused equity ETF from SPDR. IGV and XLK show meaningful overlap, with an estimated weighted overlap of 26.65%. They share 21 holdings in the loaded dataset, led by MSFT, PLTR, and ORCL.

26.6% overlap
#
21Shared Holdings
OK
Moderate Overlap

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Quick Answer

IGV is a technology-focused equity ETF from IShares, while XLK is a technology-focused equity ETF from SPDR. IGV and XLK show meaningful overlap, with an estimated weighted overlap of 26.65%. They share 21 holdings in the loaded dataset, led by MSFT, PLTR, and ORCL.

  • 26.65% weighted overlap across 21 shared holdings.
  • The top three shared holdings explain 54.39% of the measured overlap.
  • IGV is the broader fund, while XLK 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

IGV holdings
Mar 12, 2026
XLK 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

IGV

iShares Expanded Tech-Software Sector ETF

Issuer
IShares
Asset class
Equity
Expense ratio
0.39%
AUM
$11B
Inception
Jul 10, 2001

ETF B

XLK

State Street Technology Select Sector SPDR ETF

Issuer
SPDR
Asset class
Equity
Expense ratio
0.08%
AUM
$88B
Inception
Dec 16, 1998

What Stands Out In This Comparison

01

What This Means

IGV is a technology-focused equity ETF from IShares, while XLK is a technology-focused equity ETF from SPDR. IGV and XLK overlap enough to matter, but they still bring different exposures to a portfolio. The overlap is concentrated in holdings such as MSFT, PLTR, and ORCL, which explains why the score lands at 26.65%.

02

How They Differ

IGV is a technology-focused equity ETF from IShares, while XLK is a technology-focused equity ETF from SPDR. IGV is the broader fund, while XLK is the more targeted sleeve. XLK has the lower expense ratio, while IGV 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 54.39% 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

If you want the broader portfolio building block, IGV is usually the wider choice. If you want the more focused tilt, XLK is the narrower expression. XLK has the lower expense ratio, while IGV charges more for its exposure.

Overlap Driver Snapshot

Concentration

The top three shared holdings explain 54.39% 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 IGV and XLK.

HoldingIGV Wt.XLK Wt.Overlap
MSFT9.22%10.21%9.22%
PLTR8.75%3.05%3.05%
ORCL7.29%2.22%2.22%
CRM7.29%1.64%1.64%
PANW5.27%1.16%1.16%
APP5.07%1.14%1.14%
INTU4.97%1.12%1.12%
NOW3.93%1.07%1.07%
ADBE4.61%1.02%1.02%
CRWD4.38%0.97%0.97%

Why These ETFs Overlap

IGV is a technology-focused equity ETF from IShares, while XLK is a technology-focused equity ETF from SPDR. The overlap exists because both funds allocate meaningful weight to the same holdings. In this dataset, the biggest shared drivers are MSFT, PLTR, and ORCL, which appear in both portfolios and push the overlap score higher.

Holding both IGV and XLK 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 IGV and XLK

What is the overlap between IGV and XLK?+
IGV and XLK currently show an estimated weighted overlap of 26.65% based on the loaded holdings data.
How many holdings do IGV and XLK share?+
They share 21 holdings in the current dataset.
Is the IGV and XLK overlap high?+
The current verdict is Moderate Overlap. That means the two ETFs have noticeable duplication in portfolio weight.
Why do IGV and XLK overlap?+
IGV and XLK overlap because the same large positions appear in both funds. In this comparison, the top three shared holdings explain 54.39% of the measured overlap score.
Which ETF is broader, IGV or XLK?+
IGV is the broader fund, while XLK is the more targeted sleeve. That does not automatically make one better, but it helps explain why the pair can overlap while still serving different roles.

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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