U.S. Equity
Investors worldwide rely on MSCI to measure the U.S. equity market, with USD 1.1 trillion in assets benchmarked to or tracking our U.S. equity indexes.1 Transparent, responsive and representative, our indexes are built to reflect the market as it evolves. They are designed to fit a range of investment needs, whether your focus is broad market coverage, distinct size segments or a defined number of securities.
Target benefitsIndexes built on the same standards. Available in the size and structure that fit your needs.
Rigorous, rules-based index construction with no overlap between size segments — so every constituent belongs to one segment.
Quarterly reviews across every suite, so indexes stay aligned with how markets evolve.
Long-established fast-track process for eligible IPOs, so indexes reflect the market as significant new listings occur.
Choose the indexes that fit your investment need
We offer a range of U.S. equity indexes designed to align with different investor objectives. Whether your benchmark is set within a global framework or focused only on the U.S., the same rules-based, representative and timely construction principles apply.
Built on MSCI's GIMI™ methodology
Our global framework is built on the methodology that underpins the MSCI ACWI® and the MSCI World indexes. Designed for investors seeking indexes that reflect the U.S. market within a globally consistent framework, aligned across regions, countries and size segments.
Well-defined size segments for familiarity
Designed for investors seeking indexes that reflect distinct size segments of the U.S. equity market, with each index targeting a fixed number of issuer constituents. The suite ranges from the MSCI US 3000 Index for very broad inclusion across market capitalizations, to more targeted indexes with a defined count, including the MSCI US 500 Index.
Purpose-built for broad coverage and sectors
Our longest-running U.S. index family, with an independent rulebook developed for the domestic market. Built for investors who want granular sector exposure alongside broad market coverage, with sector indexes that power some of the most widely tracked GICS®2-based index-linked products in the market.
Mapping the U.S. investment universe
With our U.S. equity indexes, investors can choose from a diverse selection of index methodologies to find the approach that best meets their needs.
Latest insights
The Anatomy of US Equities
About 60% of U.S. equity value wasn't public in 1975. A $3.2T IPO pipeline may be coming. Will your benchmark capture it in time?
The Changing Shape of U.S. Equities
U.S. equity exposure has shifted markedly over 50 years, with technology gaining nearly 27 percentage points of index weight since 1974.
Five Waves of U.S. Innovation
From personal computing to AI: five waves of innovation have reshaped U.S. equities, as established companies reinvented themselves and new entrants emerged.
Explore our U.S. equity IndexesView performance details, fact sheets and more
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