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CRSP Count™ Quarterly Update – December 2025

Using CRSP Market Indexes Methodology, CRSP Count™ tracks changes in the number of securities by market cap segments – Mega, Mid, Small and Micro – through time.

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Morningstar Indexes is changing the names of the CRSP Market Indexes. These changes will align the individual index names with the standard Morningstar naming convention. Morningstar will implement the name [...]
The April 2026 CRSP Market Indexes Methodology Guide is now available at crsp.org/indexes/crsp-market-indexes-methodology. [...]
Beginning July 1, 2026, governance of the CRSP Market Indexes will transition to the standard Morningstar Indexes Governance framework, replacing the governance authorities and procedures currently outlined in the CRSP [...]
CRSP Market Indexes (CRSPMI) announces the market cap breakpoints and effective ranking dates for its March 2026 quarterly index rebalancing. [...]
As of Monday, February 2, 2026, CRSP offices are now located at: 22 W. Washington St., Chicago, IL US Phone: +1 312-384-3735 Please update our contact information in your systems. [...]
Float Shares Investability Screen will be expanded to include a float-adjusted market capitalization test for adding or dropping a security. Below is the table outlining the existing and the new [...]
Using CRSP Market Indexes Methodology, CRSP Count™ tracks changes in the number of securities by market cap segments - Mega, Mid, Small and Micro - through time. [...]
Notable items with this release include:
- December returns were fairly flat for Cap and Style Indexes
- Value outperformed Growth across the board in Q4, however, [...]
The 2026 CRSP Market Indexes Methodology Guide is now available. [...]
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