How to Read an ETF Fact Sheet Like a Pro
Every ETF publishes a fact sheet. Here is how to read one in 5 minutes and spot the numbers that matter.
Don't have time? Here's what you need to know:
- 1Check five numbers: expense ratio, AUM, holdings count, top 10 concentration, and tracking difference
- 2Ignore past performance and star ratings — they do not predict future returns
- 3The expense ratio is the best predictor of how an ETF will perform relative to its index
- 4A 5-minute fact sheet review answers 95% of what you need to know about any ETF
The Five Numbers That Matter
An ETF fact sheet contains dozens of data points. Five of them drive 95% of your decision: (1) expense ratio — what you pay annually, (2) total assets under management (AUM) — bigger is generally more liquid, (3) number of holdings — how diversified the fund is, (4) top 10 holdings and their weights — where your money is concentrated, (5) tracking difference — how closely the fund matches its index.
| Metric | What It Tells You | What 'Good' Looks Like |
|---|---|---|
| Expense Ratio | Annual fee as a percentage | Under 0.10% for core; under 0.50% for niche |
| AUM (Total Assets) | Fund size and liquidity | Over $1 billion for core; over $100M for satellite |
| Number of Holdings | Diversification breadth | 500+ for broad market; 25+ for sector |
| Top 10 Concentration | Single-stock risk | Under 30% for broad; higher is OK for sector |
| Tracking Difference | Actual returns vs index | Within 0.05% of index for well-managed funds |
What to Ignore on the Fact Sheet
Past performance: returns over the last 1, 3, or 5 years tell you what happened, not what will happen. For index ETFs, past performance simply reflects the market. For active ETFs, past outperformance rarely persists. Star ratings: Morningstar stars are backward-looking and do not predict future returns. Studies show 5-star funds do not outperform 3-star funds going forward.
Distribution yield: useful for income investors, but misleading if you compare a stock ETF (1-3% yield) to a bond ETF (4-5% yield) without considering total return (price appreciation + dividends). A fund yielding 2% with 10% total return beats one yielding 5% with 6% total return.
Tip: When comparing two ETFs that track similar indices, the expense ratio is the tiebreaker. Lower fee = more of the index return in your pocket. Everything else (past performance, star ratings, marketing) is noise.
5-Minute ETF Evaluation Checklist
Open the fact sheet and answer these five questions: (1) Is the expense ratio under 0.10% for a core fund or under 0.50% for a satellite? (2) Is AUM above $500 million? (3) Does it hold enough securities for its category? (4) Are the top 10 holdings what you expect? (5) Is the tracking difference within 0.05% of the benchmark? If all five are yes, the ETF is likely solid.
- Expense ratio check: under 0.10% for core, under 0.50% for satellite
- AUM check: above $500M reduces closure and liquidity risk
- Holdings check: 500+ for broad market, 25+ for sector
- Concentration check: top 10 under 30% for broad; OK if higher for focused funds
- Tracking check: within 0.05% of the index annually
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Frequently Asked Questions
Where do I find an ETF's fact sheet?
On the fund provider's website. Search 'VTI fact sheet' or visit vanguard.com, ishares.com, or schwab.com. Your brokerage platform also shows key metrics on each ETF's profile page. The fact sheet is usually a 1-2 page PDF updated monthly or quarterly.
What is a good AUM for an ETF?
Over $1 billion for core holdings (ensures tight spreads and no closure risk). Over $100 million for satellite positions. Below $50 million, the fund may close, have wide spreads, or be difficult to trade in size.
Why does tracking difference matter more than tracking error?
Tracking error measures variability (how much daily returns differ from the index). Tracking difference measures the actual annual gap between fund returns and index returns. A fund can have low tracking error but consistently underperform its index by 0.50% — the tracking difference catches this.
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Alex Harrington
CFA Level II Candidate, Finance & Economics
Alex Harrington is an independent ETF researcher and personal finance writer with over 8 years of experience analyzing exchange-traded funds. A CFA Level II candidate with a background in economics, Alex has reviewed 800+ ETFs and helped thousands of beginners build their first investment portfolios through clear, jargon-free education.
This content is for educational purposes only and does not constitute financial advice. Past performance does not guarantee future results. Consult a licensed financial advisor before making investment decisions.