The curated database of hedge funds that publish investor letters. Research by geography, strategy, and schools of thought.
| # | Fund | Strategy | Style | Geography | AUM | Latest Letter |
|---|---|---|---|---|---|---|
As of Nov 10, 2026
Macroeconomic equity market size disparities between the United States and the rest of the developed markets reached historic highs as of mid-2026, with the U.S. market-cap-to-GDP ratio standing at 2.22 compared to 0.87 for peer developed economies. This gap reflects the fact that domestic equities account for seventy percent of global developed equity capitalization despite representing roughly half of aggregate developed market output. The research provides allocators with a structural accounting framework to evaluate this divergence rather than treating it merely as an undifferentiated valuation bubble. The empirical decomposition reveals that the market-cap-to-GDP premium is predominantly driven by structural rather than sentiment-driven factors. Nearly two-thirds of the spread stems from an earnings effect, where U.S. public corporations generate significantly more listed earnings per dollar of GDP, primarily due to a higher economic listing intensity rather than broader macroeconomic corporate margin outperformance. The remaining multiple gap is equally split between sector composition—reflecting heavy U.S. index weighting in high-multiple tech industries—and intra-industry valuation spreads. Portfolio allocators weighing global benchmark equity allocations must recognize that like-for-like valuation disparities represent less than one-fifth of the total capitalization gap. Even a full mean-reversion of same-industry multiples would reduce the U.S. share of global developed equity capitalization to sixty-seven percent, demonstrating that the heavy American benchmark weighting functions as a durable structural condition rather than a temporary pricing anomaly.
The disproportionate market capitalization of U.S. equities relative to GDP is primarily driven by higher corporate listing intensity and index composition in high-multiple sectors rather than broad-based industry valuation overpricing.
Even under a scenario of complete convergence in intra-industry valuation multiples, the U.S. would retain roughly sixty-seven percent of global developed market capitalization, keeping its benchmark weighting elevated.
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