ITOT vs XLI Overlap

ITOT is an equity ETF from IShares, while XLI is an industrials ETF from SPDR. ITOT and XLI show limited overlap, with an estimated weighted overlap of 7.53%. They share 75 holdings in the loaded dataset, led by GE, CAT, and RTX.

7.5% overlap
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75Shared Holdings
OK
Low Overlap

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Quick Answer

ITOT is an equity ETF from IShares, while XLI is an industrials ETF from SPDR. ITOT and XLI show limited overlap, with an estimated weighted overlap of 7.53%. They share 75 holdings in the loaded dataset, led by GE, CAT, and RTX.

  • 7.53% weighted overlap across 75 shared holdings.
  • The top three shared holdings explain 19.36% of the measured overlap.
  • ITOT is the broader fund, while XLI is more targeted.
  • The overlap is mostly explained by the top shared positions rather than sector labels alone.
  • Holding both can still add materially different exposure.

Data Freshness

ITOT holdings
Mar 12, 2026
XLI 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

ITOT

iShares Core S&P Total U.S. Stock Market ETF

Issuer
IShares
Asset class
Equity
Expense ratio
0.03%
AUM
$82B
Inception
Jan 20, 2004

ETF B

XLI

State Street Industrial Select Sector SPDR ETF

Issuer
SPDR
Asset class
Equity
Expense ratio
0.08%
AUM
$29B
Inception
Dec 16, 1998

What Stands Out In This Comparison

01

What This Means

ITOT is an equity ETF from IShares, while XLI is an industrials ETF from SPDR. ITOT and XLI 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 GE, CAT, and RTX.

02

How They Differ

ITOT is an equity ETF from IShares, while XLI is an industrials ETF from SPDR. ITOT is the broader fund, while XLI is the more targeted sleeve. ITOT has the lower expense ratio, while XLI 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 19.36% 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, ITOT is usually the wider choice. If you want the more focused tilt, XLI is the narrower expression. ITOT has the lower expense ratio, while XLI charges more for its exposure.

Overlap Driver Snapshot

Concentration

The top three shared holdings explain 19.36% 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 ITOT and XLI.

HoldingITOT Wt.XLI Wt.Overlap
GE0.52%6.62%0.52%
CAT0.51%6.44%0.51%
RTX0.42%5.33%0.42%
GEV0.35%4.37%0.35%
BA0.26%3.28%0.26%
HON0.23%2.94%0.23%
UBER0.23%2.89%0.23%
DE0.23%2.86%0.23%
UNP0.23%2.85%0.23%
LMT0.20%2.55%0.20%

Why These ETFs Overlap

ITOT is an equity ETF from IShares, while XLI is an industrials ETF from SPDR. The overlap exists because both funds allocate meaningful weight to the same holdings. In this dataset, the biggest shared drivers are GE, CAT, and RTX, which appear in both portfolios and push the overlap score higher.

Holding both ITOT and XLI 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.

Related Comparisons

Frequently Asked Questions About ITOT and XLI

What is the overlap between ITOT and XLI?+
ITOT and XLI currently show an estimated weighted overlap of 7.53% based on the loaded holdings data.
How many holdings do ITOT and XLI share?+
They share 75 holdings in the current dataset.
Is the ITOT and XLI overlap high?+
The current verdict is Low Overlap. That means the two ETFs have limited duplication in portfolio weight.
Why do ITOT and XLI overlap?+
ITOT and XLI overlap because the same large positions appear in both funds. In this comparison, the top three shared holdings explain 19.36% of the measured overlap score.
Which ETF is broader, ITOT or XLI?+
ITOT is the broader fund, while XLI 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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