CRSPMI Transitional Reconstitution September 2025

September 17, 2025 - September 23, 2025

CRSPMI Transitional Reconstitution begins after end of day Wednesday, September 17 and concludes after end of day Tuesday, September 23.

For more information, visit CRSP Market Indexes Methodology.

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For more information, visit:
CRSP Market Indexes Methodology or Transitional Reconstitution Calendar.

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News & Updates

Vanguard to Update Names of U.S. Equity Index Funds Tracking Morningstar Indexes

VALLEY FORGE, PA (April 29, 2026)—Following Morningstar’s rebranding of the CRSP Market Indexes to Morningstar Indexes, Vanguard today announced upcoming changes to the names of multiple Vanguard U.S. equity index [...]

Morningstar Reaches New Milestone in the CRSP Acquisition, Rebranding CRSP Market Indexes to Morningstar Indexes

The rebrand of the CRSP indexes, with over $3 trillion in AUM benchmarked, solidifies Morningstar’s position as one of the top tier index providers and is an important new milestone [...]

CRSP Market Indexes Notification – Index Name Change Notice

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 [...]