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William Blair

May 19, 2026

The Curious Case of Quality

Weekly UpdateEquitiesMacro Economic IndicatorsIndustrialsInformation Technology

William Blair argues that quality stocks are poised for outperformance as the macro regime shifts from low-rate momentum to a supply-shock environment favoring balance sheet strength. Historically high dispersion and attractive valuations make high-quality companies a compelling 'Quality at a Reasonable Price' (QARP) opportunity.

Key Takeaways

  • 1.Quality stocks have underperformed recently due to a post-GFC regime of low inflation and low rates, which favored momentum over fundamentals.
  • 2.The inflation regime has shifted toward supply-driven volatility and structurally tight labor markets, reintroducing a premium on pricing power and capital discipline.
  • 3.Extreme market dispersion and narrow leadership have left many high-quality firms trading at attractive relative valuations, creating a 'stock-picker's market'.

Table of Contents

  • What Is Quality?
  • Quality Performance
  • Inflation Regimes & Market Performance
  • Why Quality Makes a Comeback
  • QARP
  • Conclusion
  • Highlights in the Week Ahead
  • Indicators of the Week: Housing Starts
  • Economic Scorecard
  • Other Economic Indicators
  • S&P 500 Sector Performance
  • IMPORTANT DISCLOSURES

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Authors

Richard de ChazalLouis Mukama

Securities

AppleVisaCostcoPool Corp.

Themes

Factor Investing - QualityInflation Regime ChangeMarket Dispersion

Regions

North AmericaEuropeUnited StatesGermanyJapan