ETF Overlap Checker

Two "diversified" ETFs can hold the same top stocks. Paste both holdings lists and reveal the hidden overlap.

No login Educational estimate Shareable URL

Weight-aware matching

Uses actual portfolio weights, not just ticker counts.

Fast paste & go

Copy holdings from any fund page and paste directly.

Double-diversification insight

Reveals when your "diversified" portfolio is concentrated.

Example Calculation

Run through a typical scenario with the sample values below — hit See an example to load them instantly.

InputSample value
ETF 1 Holdings (ticker:weight% per line)AAPL:7.2
MSFT:6.8
NVDA:5.9
ETF 2 Holdings (ticker:weight% per line)AAPL:8.5
TSLA:4.2
NVDA:6.1
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How to Use This Tool

Follow the steps below to get accurate results.

  1. Paste ETF 1 holdings List holdings as ticker:weight% per line, e.g. AAPL:6.2
  2. Paste ETF 2 holdings Do the same for the second ETF, then click Calculate.
  3. Read the overlap See which holdings are shared and how much weighted overlap each ETF has.

Input Fields

  • ETF 1 Holdings (ticker:weight% per line)
  • ETF 2 Holdings (ticker:weight% per line)

Outputs You Will Get

  • Shared Holdings
  • Weighted Overlap (ETF 1)
  • Weighted Overlap (ETF 2)
High overlap between two ETFs means you are less diversified than you think — you may be double-exposed.
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How This Calculator Works

Two "diversified" ETFs can hold the same top stocks. Paste both holdings lists and reveal the hidden overlap.

What you will get

Good to know

ETF Overlap Checker is an interactive estimate built for quick planning. Always double-check the numbers that matter before acting on them, and reach out to a professional for personalized advice.

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Frequently Asked Questions

How does the ETF Overlap Checker work?

Simply fill in the fields and press Calculate. Two "diversified" ETFs can hold the same top stocks. Paste both holdings lists and reveal the hidden overlap.

What information do I need to provide?

Just the basics — ETF 1 Holdings (ticker:weight% per line) and ETF 2 Holdings (ticker:weight% per line), plus a few simple inputs. No account or signup is required; everything runs in your browser.

Is ETF Overlap Checker really free to use?

Yes — completely free, with no login, no watermarks and no limits. Bookmark it and share the URL with anyone who needs it.

How accurate is the estimate?

The calculator uses current, standard formulas to produce an educational estimate. Real-world figures can vary based on your specific situation, so treat it as a planning aid rather than a final answer.

Can I use it on my phone?

Absolutely. The tool is fully responsive and works smoothly on mobile, tablet and desktop browsers.

What should I keep in mind?

The result is an estimate for educational purposes only and is not financial, legal or tax advice. Consult a qualified professional before making important decisions.

Disclaimer: The ETF Overlap Checker is provided for educational and informational purposes only and does not constitute financial, investment, legal or tax advice. Results are estimates and may not reflect your complete financial situation. Always consult a qualified professional before making financial decisions.