ObservationGrowth and business modelsLetter
Markets now sort winners from losers faster, and profits concentrate among fewer companies
Growth is arriving faster and concentrating harder, so a company's trajectory in its first year tells you more than it used to.
Venture and growth diligence, cohort analysis, and any question about base rates for new companies.
From Stripe's 2025 annual letter · Patrick Collison and John Collison