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ETF AnalysisSPYgenerated on 28 September 2026

Research report for informational purposes only — not investment advice.

How to read an ETF report

Research report for informational purposes only — not investment advice.

ETF Analysisgenerated Sep 28, 2026 11:47 UTC

State Street SPDR S&P 500 ETFSPY

Equity

ETF score92
out of 100
Expense ratio (%)0.09
Excellent
Assets under management ($bn)818.69
Large
Holdings504
Top 10 weight (%)38.74
10 listed
Largest sector (%)38.69
Technology
Years active33.70
1993-01-22

The SPDR S&P 500 ETF (SPY) is the most recognized US-listed ETF, tracking the S&P 500 index since 1993.

confidencedata as of Sep 28, 2026 00:00 UTC
Size gradeLargeExpense gradeExcellentPrimary marketUnited StatesSector balanceTilted

MetricValue
Fund nameState Street SPDR S&P 500 ETF
IssuerSPDR
Asset classEquity
Inception date1993-01-22
Years active33.70
Assets under management ($bn)818.69
Expense ratio (%)0.09
Expense gradeExcellent
Size gradeLarge
Holdings in the fund504
One-year return (%)17.22
  • The expense ratio of 0.09% is considered excellent, especially given the fund's large size of approximately $818.7 billion AUM.
  • It is comparable to the largest ETFs tracking the S&P 500, such as VOO or IVV, which typically have expense ratios below 0.10%.
  • The fund's size and longevity highlight its market prominence.
  • An expense ratio of 0.09% costs roughly $9 a year per $10,000 held, which is what the cost component of the score reacts to.

Key takeaways

  • The SPDR S&P 500 ETF (SPY) is the most recognized US-listed ETF, tracking the S&P 500 index since 1993.
  • It holds approximately 504 large-cap US stocks, with a top 10 concentration of 38.74%.
  • The fund's expense ratio of 0.09% is excellent, and it has an AUM of about $818.7 billion.
  • Its structure as a unit investment trust means it fully replicates its index without securities lending, offering broad large-cap exposure.

Where it lags

  • High sector concentration in technology
  • Limited international diversification
  • Unit investment trust structure may limit reinvestment
  • Cash drag due to dividend reinvestment restrictions

How to read this

The score adds five fixed components: cost 25, diversification 25, size 20, breadth and sector balance 20, track record 10. A component scores zero when the fund file does not return the field it needs, so a low total can mean thin data rather than a weak fund — the breakdown table says which. Figures shown are the ones the scoring step actually read; where the written commentary quotes a different number, the profile table flags it.

Sources

  • Market dataLicensed market-data provideras of Sep 28, 2026
  • Web researchAI-assisted web researchas of Sep 28, 2026

Midaris provides software for financial research and education. It does not provide investment, legal, or tax advice, trading signals, or brokerage services. Fund data comes from third-party providers and may contain errors. Report text is generated with AI.

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