IWB vs SCHG Overlap

IWB is an equity ETF from IShares, while SCHG is a U.S. growth equity ETF from Schwab. IWB and SCHG show heavy overlap, with an estimated weighted overlap of 51.34%. They share 186 holdings in the loaded dataset, led by NVDA, AAPL, and MSFT.

51.3% overlap
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186Shared Holdings
OK
High Overlap

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Quick Answer

IWB is an equity ETF from IShares, while SCHG is a U.S. growth equity ETF from Schwab. IWB and SCHG show heavy overlap, with an estimated weighted overlap of 51.34%. They share 186 holdings in the loaded dataset, led by NVDA, AAPL, and MSFT.

  • 51.34% weighted overlap across 186 shared holdings.
  • The top three shared holdings explain 34.84% of the measured overlap.
  • SCHG is the broader fund, while IWB 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

IWB holdings
Mar 12, 2026
SCHG holdings
Mar 12, 2026
Overlap computed
Mar 14, 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

IWB

iShares Russell 1000 ETF

Issuer
IShares
Asset class
Equity
Expense ratio
0.15%
AUM
$45B
Inception
May 15, 2000

ETF B

SCHG

Schwab U.S. Large-Cap Growth ETF

Issuer
Schwab
Asset class
Equity
Expense ratio
0.04%
AUM
$51B
Inception
Dec 11, 2009

What Stands Out In This Comparison

01

What This Means

IWB is an equity ETF from IShares, while SCHG is a U.S. growth equity ETF from Schwab. IWB and SCHG share a large chunk of the same portfolio weight. The overlap is driven by positions like NVDA, AAPL, and MSFT, so owning both may not diversify your stock exposure as much as the fund names suggest.

02

How They Differ

IWB is an equity ETF from IShares, while SCHG is a U.S. growth equity ETF from Schwab. SCHG is the broader fund, while IWB is the more targeted sleeve. SCHG has the lower expense ratio, while IWB 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 34.84% 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, SCHG is usually the wider choice. If you want the more focused tilt, IWB is the narrower expression. SCHG has the lower expense ratio, while IWB charges more for its exposure.

Overlap Driver Snapshot

Concentration

The top three shared holdings explain 34.84% 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 IWB and SCHG.

HoldingIWB Wt.SCHG Wt.Overlap
NVDA6.95%11.27%6.95%
AAPL6.11%9.67%6.11%
MSFT4.83%7.57%4.83%
AMZN3.30%5.23%3.30%
GOOGL2.87%4.48%2.87%
AVGO2.54%4.21%2.54%
GOOG2.33%3.58%2.33%
META2.29%4.62%2.29%
TSLA1.81%4.17%1.81%
LLY1.29%3.01%1.29%

Why These ETFs Overlap

IWB is an equity ETF from IShares, while SCHG is a U.S. growth equity ETF from Schwab. 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 IWB and SCHG may add less diversification than you expect. Many investors would choose the ETF that best matches their goal and avoid paying for duplicate exposure.

Related Comparisons

Frequently Asked Questions About IWB and SCHG

What is the overlap between IWB and SCHG?+
IWB and SCHG currently show an estimated weighted overlap of 51.34% based on the loaded holdings data.
How many holdings do IWB and SCHG share?+
They share 186 holdings in the current dataset.
Is the IWB and SCHG overlap high?+
The current verdict is High Overlap. That means the two ETFs have substantial duplication in portfolio weight.
Why do IWB and SCHG overlap?+
IWB and SCHG overlap because the same large positions appear in both funds. In this comparison, the top three shared holdings explain 34.84% of the measured overlap score.
Which ETF is broader, IWB or SCHG?+
SCHG is the broader fund, while IWB 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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