What Is the Waterman Man 100
The Waterman Man 100 is a rules-based equity index that selects the 100 largest U.S. publicly traded companies by market capitalization, using price and liquidity screens to maintain representativeness. The index is maintained by Waterman Capital, a quantitative investment firm that publishes methodology, reconstitution dates, and factor exposures for institutional subscribers and financial data vendors Waterman Capital.
Unlike broad market benchmarks that include thousands of names, the Waterman Man 100 focuses on mega- and large-cap stocks, making it a useful proxy for institutional portfolios, passive products, and risk models that target the top tier of the U.S. equity market Forbes.
Constituents, Sectors, and Performance
Top Holdings and Sector Weights
As of the most recent public reconstitution, the index is heavily weighted toward information technology, health care, and financials, with top holdings typically including companies such as Apple, Microsoft, Nvidia, and UnitedHealth Group. The index provider publishes a full constituent list, market-cap bands, and sector breakdowns on its website and through data partners Waterman Capital.
Performance and Risk Metrics
Historically, the Waterman Man 100 has delivered strong long-term total returns, though its concentration in large-cap growth names can result in higher single-name risk and drawdowns during broad market corrections. Investors compare its risk-adjusted returns, turnover, and tracking error against other large-cap indexes to assess fit for portfolios and products SEC.
How the Waterman Man 100 Is Used
Asset managers, pension funds, and ETF providers use the Waterman Man 100 as a benchmark for active strategies, a source universe for factor tilts, or a basis for rules-based products that target large-cap U.S. equities with transparent, rules-based construction.
Institutional research teams also reference the index when analyzing sector rotation, liquidity conditions, and the behavior of the largest public companies in the U.S. economy, often pairing it with complementary small- and mid-cap indexes for cross-sectional analysis Waterman Capital.